#28270B#28270B

#28270B is a dark, muted yellow. Relative luminance 0.019; OKLCH L 26.7% C 0.044 H 107.1°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#28270B
RGB	rgb(40, 39, 11)
HSL	hsl(58, 57%, 10%)
HSV	hsv(58, 73%, 16%)
CMYK	cmyk(0%, 2.5%, 72.5%, 84.3%)
CIE-LAB	lab(15.10, -4.28, 17.43)
CIE-LCH	lch(15.10, 17.95, 103.80°)
OKLab	oklab(26.66% -0.013 0.0422)
OKLCH	oklch(26.66% 0.044 107.1)
XYZ	xyz(1.6610, 1.9264, 0.6009)
Luminance	0.0193 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28270B #0B0C28

analogous

#28180B #28270B #1B280B

triadic

#28270B #0B2827 #270B28

tetradic

#28270B #0B2818 #0B0C28 #280B1B

square

#28270B #0B2818 #0B0C28 #280B1B

split-complementary

#28270B #0B1B28 #180B28

monochromatic

#181707 #181707 #28270B #585618 #888525

Accessibility & contrast

On white

15.16

#28270B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#28270B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28270B

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28270B	#FFFFFF	#000000	##FFFFFF
##28270B	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2508

Deuteranopia (green-blind)

#2B260D

Tritanopia (blue-blind)

#2B2421

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #28270b;
/* rgb */ color: rgb(40, 39, 11);
/* oklch */ color: oklch(26.7% 0.044 107.1);

Tailwind

colors: {
  custom: {
    50: '#63604c',
    500: '#28270b',
    950: '#000000',
  },
}

SCSS

$custom: #28270b;
$custom-light: #63604c;
$custom-dark: #000000;

JSON

{
  "hex": "#28270b",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 11
  },
  "hsl": {
    "h": 57.931,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.26659,
    "c": 0.04416,
    "h": 107.1
  },
  "luminance": 0.01926
}

Semantic roles & 50–950 ramp

primary

#28270B

secondary

#2B2D64

accent

#4DE048

background

#F5F5F4

surface

#EAE9E7

border

#C6C5C3

text

#050501

muted

#797977

Preview Lab

Preview with #28270B

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

Preview Lab → · Contrast checker → · Palette generator →