#28280B#28280B

#28280B is a dark, muted yellow. Relative luminance 0.020; OKLCH L 26.9% C 0.046 H 109.1°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#28280B
RGB	rgb(40, 40, 11)
HSL	hsl(60, 57%, 10%)
HSV	hsv(60, 73%, 16%)
CMYK	cmyk(0%, 0%, 72.5%, 84.3%)
CIE-LAB	lab(15.45, -4.95, 17.88)
CIE-LCH	lch(15.45, 18.56, 105.46°)
OKLab	oklab(26.94% -0.0149 0.043)
OKLCH	oklch(26.94% 0.046 109.1)
XYZ	xyz(1.6943, 1.9929, 0.6120)
Luminance	0.0199 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28280B #0B0B28

analogous

#281A0B #28280B #1A280B

triadic

#28280B #0B2828 #280B28

tetradic

#28280B #0B281A #0B0B28 #280B1A

square

#28280B #0B281A #0B0B28 #280B1A

split-complementary

#28280B #0B1928 #190B28

monochromatic

#181807 #181807 #28280B #585818 #888825

Accessibility & contrast

On white

15.02

#28280B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#28280B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28280B

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28280B	#FFFFFF	#000000	##FFFFFF
##28280B	1.00	15.02	1.40	15.02
#FFFFFF	15.02	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2608

Deuteranopia (green-blind)

#2C270D

Tritanopia (blue-blind)

#2B2522

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #28280b;
/* rgb */ color: rgb(40, 40, 11);
/* oklch */ color: oklch(26.9% 0.046 109.1);

Tailwind

colors: {
  custom: {
    50: '#63614c',
    500: '#28280b',
    950: '#000000',
  },
}

SCSS

$custom: #28280b;
$custom-light: #63614c;
$custom-dark: #000000;

JSON

{
  "hex": "#28280b",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 11
  },
  "hsl": {
    "h": 60,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.26941,
    "c": 0.04555,
    "h": 109.1
  },
  "luminance": 0.01993
}

Semantic roles & 50–950 ramp

primary

#28280B

secondary

#2B2B64

accent

#48E048

background

#F5F5F4

surface

#EAE9E7

border

#C6C5C3

text

#050501

muted

#797977

Preview Lab

Preview with #28280B

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

Preview Lab → · Contrast checker → · Palette generator →