#2B283D#2B283D

#2B283D is a dark, muted blue. Relative luminance 0.024; OKLCH L 29.0% C 0.038 H 290.4°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#2B283D
RGB	rgb(43, 40, 61)
HSL	hsl(249, 21%, 20%)
HSV	hsv(249, 34%, 24%)
CMYK	cmyk(29.5%, 34.4%, 0%, 76.1%)
CIE-LAB	lab(17.31, 7.02, -12.89)
CIE-LCH	lch(17.31, 14.68, 298.56°)
OKLab	oklab(28.99% 0.0132 -0.0357)
OKLCH	oklch(28.99% 0.038 290.4)
XYZ	xyz(2.5972, 2.3681, 4.7342)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B283D #3A3D28

analogous

#28303D #2B283D #36283D

triadic

#2B283D #3D2B28 #283D2B

tetradic

#2B283D #3D2830 #3A3D28 #283D36

square

#2B283D #3D2830 #3A3D28 #283D36

split-complementary

#2B283D #3D3628 #303D28

monochromatic

#0D0C12 #111018 #2B283D #454062 #5F5887

Accessibility & contrast

On white

14.25

#2B283D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#2B283D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B283D

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B283D	#FFFFFF	#000000	##FFFFFF
##2B283D	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232B3E

Deuteranopia (green-blind)

#232A3C

Tritanopia (blue-blind)

#272C2F

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #2b283d;
/* rgb */ color: rgb(43, 40, 61);
/* oklch */ color: oklch(29.0% 0.038 290.4);

Tailwind

colors: {
  custom: {
    50: '#656172',
    500: '#2b283d',
    950: '#000000',
  },
}

SCSS

$custom: #2b283d;
$custom-light: #656172;
$custom-dark: #000000;

JSON

{
  "hex": "#2b283d",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 61
  },
  "hsl": {
    "h": 248.571,
    "s": 20.792,
    "l": 19.804
  },
  "oklch": {
    "l": 0.28985,
    "c": 0.03806,
    "h": 290.4
  },
  "luminance": 0.02368
}

Semantic roles & 50–950 ramp

primary

#2B283D

secondary

#6A6E52

accent

#BD6AB2

background

#F6F5F6

surface

#EBE9EC

border

#C6C5C7

text

#050508

muted

#7A797B

Preview Lab

Preview with #2B283D

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

Preview Lab → · Contrast checker → · Palette generator →