#2B290B#2B290B

#2B290B is a dark, muted yellow. Relative luminance 0.021; OKLCH L 27.6% C 0.046 H 105.5°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B290B
RGB	rgb(43, 41, 11)
HSL	hsl(56, 59%, 11%)
HSV	hsv(56, 74%, 17%)
CMYK	cmyk(0%, 4.7%, 74.4%, 83.1%)
CIE-LAB	lab(16.12, -3.97, 18.80)
CIE-LCH	lch(16.12, 19.22, 101.93°)
OKLab	oklab(27.56% -0.0124 0.0447)
OKLCH	oklch(27.56% 0.046 105.5)
XYZ	xyz(1.8497, 2.1237, 0.6290)
Luminance	0.0212 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B290B #0B0D2B

analogous

#2B190B #2B290B #1D2B0B

triadic

#2B290B #0B2B29 #290B2B

tetradic

#2B290B #0B2B19 #0B0D2B #2B0B1D

square

#2B290B #0B2B19 #0B0D2B #2B0B1D

split-complementary

#2B290B #0B1D2B #190B2B

monochromatic

#181706 #181706 #2B290B #5C5717 #8C8624

Accessibility & contrast

On white

14.74

#2B290B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#2B290B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B290B

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B290B	#FFFFFF	#000000	##FFFFFF
##2B290B	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2708

Deuteranopia (green-blind)

#2E290D

Tritanopia (blue-blind)

#2F2623

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #2b290b;
/* rgb */ color: rgb(43, 41, 11);
/* oklch */ color: oklch(27.6% 0.046 105.5);

Tailwind

colors: {
  custom: {
    50: '#65624c',
    500: '#2b290b',
    950: '#000000',
  },
}

SCSS

$custom: #2b290b;
$custom-light: #65624c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b290b",
  "rgb": {
    "r": 43,
    "g": 41,
    "b": 11
  },
  "hsl": {
    "h": 56.25,
    "s": 59.259,
    "l": 10.588
  },
  "oklch": {
    "l": 0.27556,
    "c": 0.04641,
    "h": 105.5
  },
  "luminance": 0.02124
}

Semantic roles & 50–950 ramp

primary

#2B290B

secondary

#2B2E67

accent

#4FE245

background

#F6F5F4

surface

#EBEAE7

border

#C6C6C3

text

#060501

muted

#7A7977

Preview Lab

Preview with #2B290B

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

Preview Lab → · Contrast checker → · Palette generator →