#282939#282939

#282939 is a dark, muted blue. Relative luminance 0.023; OKLCH L 28.7% C 0.029 H 281.6°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#282939
RGB	rgb(40, 41, 57)
HSL	hsl(236, 18%, 19%)
HSV	hsv(236, 30%, 22%)
CMYK	cmyk(29.8%, 28.1%, 0%, 77.6%)
CIE-LAB	lab(17.14, 3.96, -10.40)
CIE-LCH	lch(17.14, 11.13, 290.85°)
OKLab	oklab(28.72% 0.0059 -0.0286)
OKLCH	oklch(28.72% 0.029 281.6)
XYZ	xyz(2.4063, 2.3323, 4.1935)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282939 #393828

analogous

#283239 #282939 #302839

triadic

#282939 #392829 #293928

tetradic

#282939 #392832 #393828 #283930

square

#282939 #392832 #393828 #283930

split-complementary

#282939 #393028 #323928

monochromatic

#0D0D12 #0F0F15 #282939 #41435D #5A5D81

Accessibility & contrast

On white

14.32

#282939 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#282939 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282939

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282939	#FFFFFF	#000000	##FFFFFF
##282939	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252B3A

Deuteranopia (green-blind)

#242A39

Tritanopia (blue-blind)

#242C2E

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #282939;
/* rgb */ color: rgb(40, 41, 57);
/* oklch */ color: oklch(28.7% 0.029 281.6);

Tailwind

colors: {
  custom: {
    50: '#62626f',
    500: '#282939',
    950: '#000000',
  },
}

SCSS

$custom: #282939;
$custom-light: #62626f;
$custom-dark: #000000;

JSON

{
  "hex": "#282939",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 57
  },
  "hsl": {
    "h": 236.471,
    "s": 17.526,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28718,
    "c": 0.02923,
    "h": 281.6
  },
  "luminance": 0.02332
}

Semantic roles & 50–950 ramp

primary

#282939

secondary

#6A6953

accent

#B66EBA

background

#F5F5F6

surface

#EAEAEC

border

#C6C6C7

text

#050507

muted

#79797A

Preview Lab

Preview with #282939

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

Preview Lab → · Contrast checker → · Palette generator →