#2B300B#2B300B

#2B300B is a dark, muted yellow. Relative luminance 0.027; OKLCH L 29.5% C 0.056 H 116.5°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#2B300B
RGB	rgb(43, 48, 11)
HSL	hsl(68, 63%, 12%)
HSV	hsv(68, 77%, 19%)
CMYK	cmyk(10.4%, 0%, 77.1%, 81.2%)
CIE-LAB	lab(18.59, -8.49, 21.80)
CIE-LCH	lch(18.59, 23.39, 111.29°)
OKLab	oklab(29.53% -0.0251 0.0504)
OKLCH	oklch(29.53% 0.056 116.5)
XYZ	xyz(2.1137, 2.6517, 0.7170)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B300B #100B30

analogous

#30230B #2B300B #19300B

triadic

#2B300B #0B2B30 #300B2B

tetradic

#2B300B #0B3023 #100B30 #300B19

square

#2B300B #0B3023 #100B30 #300B19

split-complementary

#2B300B #0B1930 #230B30

monochromatic

#161906 #161906 #2B300B #586216 #849422

Accessibility & contrast

On white

13.72

#2B300B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#2B300B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B300B

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B300B	#FFFFFF	#000000	##FFFFFF
##2B300B	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D07

Deuteranopia (green-blind)

#332E0E

Tritanopia (blue-blind)

#2E2D28

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2b300b;
/* rgb */ color: rgb(43, 48, 11);
/* oklch */ color: oklch(29.5% 0.056 116.5);

Tailwind

colors: {
  custom: {
    50: '#65684c',
    500: '#2b300b',
    950: '#000000',
  },
}

SCSS

$custom: #2b300b;
$custom-light: #65684c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b300b",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 11
  },
  "hsl": {
    "h": 68.108,
    "s": 62.712,
    "l": 11.569
  },
  "oklch": {
    "l": 0.29528,
    "c": 0.05627,
    "h": 116.5
  },
  "luminance": 0.02652
}

Semantic roles & 50–950 ramp

primary

#2B300B

secondary

#332A6D

accent

#42E658

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#060601

muted

#7A7A77

Preview Lab

Preview with #2B300B

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

Preview Lab → · Contrast checker → · Palette generator →