#2B280B#2B280B

#2B280B is a dark, muted yellow. Relative luminance 0.021; OKLCH L 27.3% C 0.045 H 103.4°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B280B
RGB	rgb(43, 40, 11)
HSL	hsl(54, 59%, 11%)
HSV	hsv(54, 74%, 17%)
CMYK	cmyk(0%, 7%, 74.4%, 83.1%)
CIE-LAB	lab(15.78, -3.31, 18.37)
CIE-LCH	lch(15.78, 18.66, 100.21°)
OKLab	oklab(27.28% -0.0105 0.0439)
OKLCH	oklch(27.28% 0.045 103.4)
XYZ	xyz(1.8155, 2.0554, 0.6176)
Luminance	0.0205 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B280B #0B0E2B

analogous

#2B180B #2B280B #1E2B0B

triadic

#2B280B #0B2B28 #280B2B

tetradic

#2B280B #0B2B18 #0B0E2B #2B0B1E

square

#2B280B #0B2B18 #0B0E2B #2B0B1E

split-complementary

#2B280B #0B1E2B #180B2B

monochromatic

#181706 #181706 #2B280B #5C5517 #8C8324

Accessibility & contrast

On white

14.88

#2B280B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#2B280B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B280B

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B280B	#FFFFFF	#000000	##FFFFFF
##2B280B	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2608

Deuteranopia (green-blind)

#2D280D

Tritanopia (blue-blind)

#2F2522

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #2b280b;
/* rgb */ color: rgb(43, 40, 11);
/* oklch */ color: oklch(27.3% 0.045 103.4);

Tailwind

colors: {
  custom: {
    50: '#65614c',
    500: '#2b280b',
    950: '#000000',
  },
}

SCSS

$custom: #2b280b;
$custom-light: #65614c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b280b",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 11
  },
  "hsl": {
    "h": 54.375,
    "s": 59.259,
    "l": 10.588
  },
  "oklch": {
    "l": 0.27279,
    "c": 0.04515,
    "h": 103.4
  },
  "luminance": 0.02055
}

Semantic roles & 50–950 ramp

primary

#2B280B

secondary

#2B3067

accent

#54E245

background

#F6F5F4

surface

#EBE9E7

border

#C6C5C3

text

#060501

muted

#7A7977

Preview Lab

Preview with #2B280B

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

Preview Lab → · Contrast checker → · Palette generator →