#28210B#28210B

#28210B is a dark, muted yellow. Relative luminance 0.016; OKLCH L 25.0% C 0.037 H 91.9°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#28210B
RGB	rgb(40, 33, 11)
HSL	hsl(46, 57%, 10%)
HSV	hsv(46, 73%, 16%)
CMYK	cmyk(0%, 17.5%, 72.5%, 84.3%)
CIE-LAB	lab(13.00, -0.18, 14.69)
CIE-LCH	lch(13.00, 14.69, 90.69°)
OKLab	oklab(25% -0.0012 0.0371)
OKLCH	oklch(25% 0.037 91.9)
XYZ	xyz(1.4794, 1.5631, 0.5403)
Luminance	0.0156 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28210B #0B1228

analogous

#28120B #28210B #21280B

triadic

#28210B #0B2821 #210B28

tetradic

#28210B #0B2812 #0B1228 #280B21

square

#28210B #0B2812 #0B1228 #280B21

split-complementary

#28210B #0B2128 #120B28

monochromatic

#181407 #181407 #28210B #584918 #887025

Accessibility & contrast

On white

16.00

#28210B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#28210B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28210B

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28210B	#FFFFFF	#000000	##FFFFFF
##28210B	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252009

Deuteranopia (green-blind)

#27220C

Tritanopia (blue-blind)

#2C1E1C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #28210b;
/* rgb */ color: rgb(40, 33, 11);
/* oklch */ color: oklch(25.0% 0.037 91.9);

Tailwind

colors: {
  custom: {
    50: '#635c4b',
    500: '#28210b',
    950: '#000000',
  },
}

SCSS

$custom: #28210b;
$custom-light: #635c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#28210b",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 11
  },
  "hsl": {
    "h": 45.517,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.25,
    "c": 0.03712,
    "h": 91.9
  },
  "luminance": 0.01563
}

Semantic roles & 50–950 ramp

primary

#28210B

secondary

#2B3964

accent

#6CE048

background

#F5F5F4

surface

#EAE9E7

border

#C6C5C3

text

#050401

muted

#797977

Preview Lab

Preview with #28210B

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

Preview Lab → · Contrast checker → · Palette generator →