#28290B#28290B

#28290B is a dark, muted yellow. Relative luminance 0.021; OKLCH L 27.2% C 0.047 H 110.9°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#28290B
RGB	rgb(40, 41, 11)
HSL	hsl(62, 58%, 10%)
HSV	hsv(62, 73%, 16%)
CMYK	cmyk(2.4%, 0%, 73.2%, 83.9%)
CIE-LAB	lab(15.81, -5.61, 18.34)
CIE-LCH	lch(15.81, 19.17, 107.00°)
OKLab	oklab(27.22% -0.0168 0.0439)
OKLCH	oklch(27.22% 0.047 110.9)
XYZ	xyz(1.7285, 2.0612, 0.6233)
Luminance	0.0206 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28290B #0C0B29

analogous

#291B0B #28290B #19290B

triadic

#28290B #0B2829 #290B28

tetradic

#28290B #0B291B #0C0B29 #290B19

square

#28290B #0B291B #0C0B29 #290B19

split-complementary

#28290B #0B1929 #1B0B29

monochromatic

#181806 #181806 #28290B #575918 #868A25

Accessibility & contrast

On white

14.87

#28290B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#28290B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28290B

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28290B	#FFFFFF	#000000	##FFFFFF
##28290B	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2708

Deuteranopia (green-blind)

#2D280D

Tritanopia (blue-blind)

#2B2623

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #28290b;
/* rgb */ color: rgb(40, 41, 11);
/* oklch */ color: oklch(27.2% 0.047 110.9);

Tailwind

colors: {
  custom: {
    50: '#63624c',
    500: '#28290b',
    950: '#000000',
  },
}

SCSS

$custom: #28290b;
$custom-light: #63624c;
$custom-dark: #000000;

JSON

{
  "hex": "#28290b",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 11
  },
  "hsl": {
    "h": 62,
    "s": 57.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.27224,
    "c": 0.04698,
    "h": 110.9
  },
  "luminance": 0.02061
}

Semantic roles & 50–950 ramp

primary

#28290B

secondary

#2D2B65

accent

#47E14C

background

#F5F5F4

surface

#EAEAE7

border

#C6C6C3

text

#050501

muted

#797977

Preview Lab

Preview with #28290B

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

Preview Lab → · Contrast checker → · Palette generator →