#282931#282931

#282931 is a dark, near-neutral blue. Relative luminance 0.023; OKLCH L 28.3% C 0.015 H 279.8°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#282931
RGB	rgb(40, 41, 49)
HSL	hsl(233, 10%, 17%)
HSV	hsv(233, 18%, 19%)
CMYK	cmyk(18.4%, 16.3%, 0%, 80.8%)
CIE-LAB	lab(16.79, 1.64, -5.34)
CIE-LCH	lch(16.79, 5.58, 287.05°)
OKLab	oklab(28.33% 0.0025 -0.0145)
OKLCH	oklch(28.33% 0.015 279.8)
XYZ	xyz(2.2223, 2.2587, 3.2240)
Luminance	0.0226 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282931 #313028

analogous

#282E31 #282931 #2C2831

triadic

#282931 #312829 #293128

tetradic

#282931 #31282E #313028 #28312C

square

#282931 #31282E #313028 #28312C

split-complementary

#282931 #312C28 #2E3128

monochromatic

#0E0E11 #0E0E11 #282931 #444553 #5F6174

Accessibility & contrast

On white

14.46

#282931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#282931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282931

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282931	#FFFFFF	#000000	##FFFFFF
##282931	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272A31

Deuteranopia (green-blind)

#272931

Tritanopia (blue-blind)

#262A2C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #282931;
/* rgb */ color: rgb(40, 41, 49);
/* oklch */ color: oklch(28.3% 0.015 279.8);

Tailwind

colors: {
  custom: {
    50: '#626269',
    500: '#282931',
    950: '#000000',
  },
}

SCSS

$custom: #282931;
$custom-light: #626269;
$custom-dark: #000000;

JSON

{
  "hex": "#282931",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 49
  },
  "hsl": {
    "h": 233.333,
    "s": 10.112,
    "l": 17.451
  },
  "oklch": {
    "l": 0.28327,
    "c": 0.01468,
    "h": 279.8
  },
  "luminance": 0.02259
}

Semantic roles & 50–950 ramp

primary

#282931

secondary

#615F54

accent

#AC75B3

background

#F5F5F6

surface

#EAEAEB

border

#C6C6C6

text

#050506

muted

#79797A

Preview Lab

Preview with #282931

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →