#7B838F

Accessibility

5.49:1

Vs white / black

3.83:1 · 5.49:1

Sources

Library color

Codes

Formats

HEX

#7b838f

RGB

rgb(123, 131, 143)

RGBA

rgba(123, 131, 143, 1)

HSL

hsl(216, 8%, 52%)

HSLA

hsla(216, 8%, 52%, 1)

HSV

hsv(216, 14%, 56%)

LAB

lab(54.48% -0.35 -7.45)

LCH

lch(54.48% 7.46 267.31)

OKLAB

oklab(0.6074 -0.0041 -0.0201)

OKLCH

oklch(0.6074 0.0205 258.47)

XYZ

xyz(21.24, 22.43, 29.19)

CMYK

cmyk(14%, 8%, 0%, 44%)

CSS

color: #7b838f;

CSS variable

--color-7b838f: #7b838f;

SCSS

$color-7b838f: #7b838f;

JavaScript

const color = "#7b838f";

TypeScript

const color: string = "#7b838f";

React

style={{ backgroundColor: "#7b838f" }}

JSON

{ "hex": "#7b838f", "rgb": { "r": 123, "g": 131, "b": 143 }, "oklch": "oklch(0.6074 0.0205 258.47)" }

Export

Developer code

css

:root {
  --#7b838f-1: #7b838f;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

gray-500

Very different · ΔE 6.7 · #6B7280

Nearest CSS named color

SlateGray

Noticeably different · ΔE 3.48 · #708090

Nearest Material color

blue-grey-400

Very different · ΔE 7.3 · #78909C

Nearest Bootstrap color

secondary

Very different · ΔE 6.13 · #6C757D

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50edf6ff 100e0e9f6 200ccd5e2 300b6becb 4009aa2af 5007f8793 60069717c 700535a65 8003d444f 900292f39 950151b24

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

f4f5f6 e9eaec dee0e3 d3d6da c8cbd0 bdc1c7 b2b7be a7acb4 9ca2ab 9198a2 868d98 7b838f 717883 676d77 5c626b 52575f 484c53 3e4248 33373c 292c30 1f2124 141618 0a0b0c

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f4f5f6 e9eaec dee0e3 d3d6da c8cbd0 bdc1c7 b2b7be a7acb4 9ca2ab 9198a2 868d98

Palette

Shades

Mixed toward black — depth, text, and emphasis

717883 676d77 5c626b 52575f 484c53 3e4248 33373c 292c30 1f2124 141618 0a0b0c

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

7b838e 7c838d 7c828b 7d828a 7d8289 7e8288 7e8186 7e8185 7f8184 7f8183 808081

Harmony

Complementary

Opposite on the color wheel for contrast

#7B838FStop 1 #8E877BStop 2

Harmony

Analogous

Neighbors that sit comfortably together

#7B8C8EStop 1 #7B838FStop 2 #7D7B8EStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#7B838FStop 1 #8E7B83Stop 2 #838E7BStop 3

Harmony

Split complementary

Base plus two accents beside the complement

#7B838FStop 1 #8E7D7BStop 2 #8C8E7BStop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#2F3237Stop 1 #525860Stop 2 #757D8AStop 3 #9FA4ADStop 4 #C8CBD0Stop 5

Using this color

Where #7b838f works

#7B838F (#7b838f) sits in the blue grey family at about 216° hue, 8% saturation, and 52% lightness. Contrast is 3.83:1 on white and 5.49:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: gray-500 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
large titles on light backgrounds (WCAG AA Large)
text or icons on charcoal / dark mode

Do not use #7b838f as small body text on white — 3.83:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Low saturation makes this easy to overuse as a neutral. Keep one chromatic accent elsewhere so the interface does not go muddy.

Family context: Calm professionalism with cool neutrality. Excellent for dashboards and docs. Common uses still include buttons, charts, and accents in the Blue Grey range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

SlateGray#708090 LightSlateGray#778899 Chakra gray 500#718096 Fill Tertiary#787880 Bootstrap secondary#6C757D System Gray#8E8E93 Gray#808080 Tailwind gray 500#6B7280 Material Blue Grey 400#78909C Asbestos#7F8C8D Tailwind zinc 500#71717A Tailwind slate 500#64748B

Where #7b838f works

Sensible jobs for this swatch

supporting UI accents

large titles on light backgrounds (WCAG AA Large)

text or icons on charcoal / dark mode

Do not use #7b838f as small body text on white — 3.83:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Low saturation makes this easy to overuse as a neutral. Keep one chromatic accent elsewhere so the interface does not go muddy.