#646869

Accessibility

5.64:1

Vs white / black

5.64:1 · 3.73:1

Sources

Library color

Codes

Formats

HEX

#646869

RGB

rgb(100, 104, 105)

RGBA

rgba(100, 104, 105, 1)

HSL

hsl(192, 2%, 40%)

HSLA

hsla(192, 2%, 40%, 1)

HSV

hsv(192, 5%, 41%)

LAB

lab(43.7% -1.33 -1.1)

LCH

lch(43.7% 1.73 219.59)

OKLAB

oklab(0.5141 -0.0043 -0.0029)

OKLCH

oklch(0.5141 0.0052 214)

XYZ

xyz(12.76, 13.63, 15.32)

CMYK

cmyk(5%, 1%, 0%, 59%)

CSS

color: #646869;

CSS variable

--color-646869: #646869;

SCSS

$color-646869: #646869;

JavaScript

const color = "#646869";

TypeScript

const color: string = "#646869";

React

style={{ backgroundColor: "#646869" }}

JSON

{ "hex": "#646869", "rgb": { "r": 100, "g": 104, "b": 105 }, "oklch": "oklch(0.5141 0.0052 214)" }

Export

Developer code

css

:root {
  --#646869-1: #646869;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

neutral-500

Very different · ΔE 5.05 · #737373

Nearest CSS named color

DimGray

Noticeably different · ΔE 2.27 · #696969

Nearest Material color

grey-700

Noticeably different · ΔE 3.18 · #616161

Nearest Bootstrap color

secondary

Very different · ΔE 6.21 · #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.

50e7f9fd 100daecf0 200c6d8dc 300b0c1c6 40094a5a9 500798a8e 600637377 7004d5d60 80038474a 900243235 9500f1d20

Palette

Tints & shades

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

f2f2f3 e5e6e6 d8d9da cbcdcd bec0c1 b2b4b4 a5a7a8 989a9b 8b8e8f 7e8182 717576 646869 5c5f60 535758 4b4e4f 434546 3a3d3d 323435 2a2b2c 212323 191a1a 111111 080909

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f2f2f3 e5e6e6 d8d9da cbcdcd bec0c1 b2b4b4 a5a7a8 989a9b 8b8e8f 7e8182 717576

Palette

Shades

Mixed toward black — depth, text, and emphasis

5c5f60 535758 4b4e4f 434546 3a3d3d 323435 2a2b2c 212323 191a1a 111111 080909

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

666a6b 696c6d 6b6e6f 6d7071 707273 727475 747676 777878 797a7a 7b7c7c 7e7e7e

Harmony

Complementary

Opposite on the color wheel for contrast

#646869Stop 1 #686564Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#646867Stop 1 #646869Stop 2 #646568Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#646869Stop 1 #686467Stop 2 #676864Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#646869Stop 1 #686465Stop 2 #686764Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#323434Stop 1 #575A5BStop 2 #7D8182Stop 3 #A4A7A8Stop 4 #CBCDCDStop 5

Using this color

Where #646869 works

#646869 (#646869) sits in the blue grey family at about 192° hue, 2% saturation, and 40% lightness. Contrast is 5.64:1 on white and 3.73:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: neutral-500 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on a white canvas

On a black or near-black UI, #646869 is 3.73:1. Prefer it as a fill, border, or large heading rather than 16px copy.

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

Web Safe #666666#666666 DimGray#696969 Material Grey 700#616161 American River#636E72 Fluent Gray#605E5C Tailwind neutral 500#737373 Material Grey 600#757575 Bootstrap secondary#6C757D Tailwind zinc 500#71717A Tailwind stone 500#78716C Tailwind gray 500#6B7280 Tailwind neutral 600#525252