#191F24

Accessibility

AAA

16.63:1

Vs white / black

16.63:1 · 1.26:1

Sources

Library color

Codes

Formats

HEX

#191f24

RGB

rgb(25, 31, 36)

RGBA

rgba(25, 31, 36, 1)

HSL

hsl(207, 18%, 12%)

HSLA

hsla(207, 18%, 12%, 1)

HSV

hsv(207, 31%, 14%)

LAB

lab(11.37% -1.26 -4.3)

LCH

lch(11.37% 4.48 253.67)

OKLAB

oklab(0.2355 -0.0059 -0.0117)

OKLCH

oklch(0.2355 0.0131 243.24)

XYZ

xyz(1.21, 1.31, 1.86)

CMYK

cmyk(31%, 14%, 0%, 86%)

CSS

color: #191f24;

CSS variable

--color-191f24: #191f24;

SCSS

$color-191f24: #191f24;

JavaScript

const color = "#191f24";

TypeScript

const color: string = "#191f24";

React

style={{ backgroundColor: "#191f24" }}

JSON

{ "hex": "#191f24", "rgb": { "r": 25, "g": 31, "b": 36 }, "oklch": "oklch(0.2355 0.0131 243.24)" }

Export

Developer code

css

:root {
  --#191f24-1: #191f24;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

zinc-900

Noticeably different · ΔE 4.01 · #18181B

Nearest CSS named color

Black

Very different · ΔE 8.05 · #000000

Nearest Material color

grey-900

Noticeably different · ΔE 4.34 · #212121

Nearest Bootstrap color

dark

Noticeably different · ΔE 2.27 · #212529

OKLCH

Perceptual 50–950 scale

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

50eaf7ff 100ddeaf5 200cad6e1 300b3c0ca 40097a3ad 5007c8892 60066727b 700505b64 8003b454e 900273039 950121c23

Palette

Tints & shades

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

ececed d9dadb c6c7c8 b2b4b6 9fa2a4 8c8f92 797c7f 666a6d 53575b 3f4449 2c3236 191f24 171c21 151a1e 13171b 111518 0f1215 0d1012 0a0d0f 080a0c 060809 040506 020303

Palette

Tints

Mixed toward white — soft backgrounds and highlights

ececed d9dadb c6c7c8 b2b4b6 9fa2a4 8c8f92 797c7f 666a6d 53575b 3f4449 2c3236

Palette

Shades

Mixed toward black — depth, text, and emphasis

171c21 151a1e 13171b 111518 0f1215 0d1012 0a0d0f 080a0c 060809 040506 020303

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

22272c 2a2f33 33373b 3b3f43 44474a 4d5052 55585a 5e6061 666869 6f7071 777878

Harmony

Complementary

Opposite on the color wheel for contrast

#191F24Stop 1 #241E19Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#192424Stop 1 #191F24Stop 2 #191A24Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#191F24Stop 1 #24191FStop 2 #1F2419Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#191F24Stop 1 #24191AStop 2 #242419Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#2A343CStop 1 #495B69Stop 2 #698296Stop 3 #96A7B6Stop 4 #C3CDD5Stop 5

Using this color

Where #191f24 works

#191F24 (#191f24) sits in the light blue family at about 207° hue, 18% saturation, and 12% lightness. Contrast is 16.63:1 on white and 1.26:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: zinc-900 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

body text, chrome, and dark-mode surfaces
text or icons on a white canvas

On a black or near-black UI, #191f24 is 1.26:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Openness, clarity, and communication. Soft and approachable for modern interfaces. Common uses still include buttons, charts, and accents in the Light Blue range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Bootstrap dark#212529 Tailwind zinc 900#18181B Material Grey 900#212121 Material You On Surface#1C1B1F Tailwind zinc 800#27272A Tailwind neutral 900#171717 Tailwind neutral 800#262626 Tailwind gray 800#1F2937 Material Blue Grey 900#263238 Tailwind gray 950#030712 Tailwind zinc 950#09090B Tailwind neutral 950#0A0A0A