#2B310A#2B310A

#2B310A is a dark, muted yellow. Relative luminance 0.027; OKLCH L 29.8% C 0.059 H 117.6°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B310A
RGB	rgb(43, 49, 10)
HSL	hsl(69, 66%, 12%)
HSV	hsv(69, 80%, 19%)
CMYK	cmyk(12.2%, 0%, 79.6%, 80.8%)
CIE-LAB	lab(18.94, -9.20, 22.62)
CIE-LCH	lch(18.94, 24.42, 112.13°)
OKLab	oklab(29.8% -0.0272 0.052)
OKLCH	oklch(29.8% 0.059 117.6)
XYZ	xyz(2.1494, 2.7322, 0.7012)
Luminance	0.0273 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B310A #100A31

analogous

#31240A #2B310A #18310A

triadic

#2B310A #0A2B31 #310A2B

tetradic

#2B310A #0A3124 #100A31 #310A18

square

#2B310A #0A3124 #100A31 #310A18

split-complementary

#2B310A #0A1831 #240A31

monochromatic

#161905 #161905 #2B310A #586414 #84971F

Accessibility & contrast

On white

13.58

#2B310A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2B310A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B310A

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B310A	#FFFFFF	#000000	##FFFFFF
##2B310A	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352E05

Deuteranopia (green-blind)

#342E0D

Tritanopia (blue-blind)

#2E2E29

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b310a;
/* rgb */ color: rgb(43, 49, 10);
/* oklch */ color: oklch(29.8% 0.059 117.6);

Tailwind

colors: {
  custom: {
    50: '#66694c',
    500: '#2b310a',
    950: '#000000',
  },
}

SCSS

$custom: #2b310a;
$custom-light: #66694c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b310a",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 10
  },
  "hsl": {
    "h": 69.231,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.29803,
    "c": 0.0587,
    "h": 117.6
  },
  "luminance": 0.02732
}

Semantic roles & 50–950 ramp

primary

#2B310A

secondary

#33296E

accent

#3FE959

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#060601

muted

#7A7A77

Preview Lab

Preview with #2B310A

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

Preview Lab → · Contrast checker → · Palette generator →