#2B2901#2B2901

#2B2901 is a dark, muted yellow. Relative luminance 0.021; OKLCH L 27.4% C 0.058 H 106.7°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B2901
RGB	rgb(43, 41, 1)
HSL	hsl(57, 95%, 9%)
HSV	hsv(57, 98%, 17%)
CMYK	cmyk(0%, 4.7%, 97.7%, 83.1%)
CIE-LAB	lab(16.01, -4.84, 22.75)
CIE-LCH	lch(16.01, 23.26, 102.01°)
OKLab	oklab(27.43% -0.0166 0.0551)
OKLCH	oklch(27.43% 0.058 106.7)
XYZ	xyz(1.7948, 2.1017, 0.3398)
Luminance	0.0210 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2901 #01032B

analogous

#2B1401 #2B2901 #182B01

triadic

#2B2901 #012B29 #29012B

tetradic

#2B2901 #012B14 #01032B #2B0118

square

#2B2901 #012B14 #01032B #2B0118

split-complementary

#2B2901 #01182B #14012B

monochromatic

#1E1D01 #1E1D01 #2B2901 #676202 #A39B04

Accessibility & contrast

On white

14.78

#2B2901 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#2B2901 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2901

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2901	#FFFFFF	#000000	##FFFFFF
##2B2901	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2700

Deuteranopia (green-blind)

#2F2803

Tritanopia (blue-blind)

#2F2521

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #2b2901;
/* rgb */ color: rgb(43, 41, 1);
/* oklch */ color: oklch(27.4% 0.058 106.7);

Tailwind

colors: {
  custom: {
    50: '#666247',
    500: '#2b2901',
    950: '#000000',
  },
}

SCSS

$custom: #2b2901;
$custom-light: #666247;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2901",
  "rgb": {
    "r": 43,
    "g": 41,
    "b": 1
  },
  "hsl": {
    "h": 57.143,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.27432,
    "c": 0.05753,
    "h": 106.7
  },
  "luminance": 0.02102
}

Semantic roles & 50–950 ramp

primary

#2B2901

secondary

#171B71

accent

#33FF29

background

#F6F5F4

surface

#EBEAE6

border

#C6C6C2

text

#060500

muted

#7A7977

Preview Lab

Preview with #2B2901

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

Preview Lab → · Contrast checker → · Palette generator →