#2D310B#2D310B

#2D310B is a dark, muted yellow. Relative luminance 0.028; OKLCH L 30.0% C 0.057 H 115.0°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#2D310B
RGB	rgb(45, 49, 11)
HSL	hsl(66, 63%, 12%)
HSV	hsv(66, 78%, 19%)
CMYK	cmyk(8.2%, 0%, 77.6%, 80.8%)
CIE-LAB	lab(19.13, -8.07, 22.48)
CIE-LCH	lch(19.13, 23.89, 109.74°)
OKLab	oklab(30.01% -0.0241 0.0516)
OKLCH	oklch(30.01% 0.057 115)
XYZ	xyz(2.2410, 2.7787, 0.7348)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D310B #0F0B31

analogous

#31220B #2D310B #1A310B

triadic

#2D310B #0B2D31 #310B2D

tetradic

#2D310B #0B3122 #0F0B31 #310B1A

square

#2D310B #0B3122 #0F0B31 #310B1A

split-complementary

#2D310B #0B1A31 #220B31

monochromatic

#171906 #171906 #2D310B #5B6316 #899521

Accessibility & contrast

On white

13.50

#2D310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#2D310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D310B

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D310B	#FFFFFF	#000000	##FFFFFF
##2D310B	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352E06

Deuteranopia (green-blind)

#352F0E

Tritanopia (blue-blind)

#302E29

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2d310b;
/* rgb */ color: rgb(45, 49, 11);
/* oklch */ color: oklch(30.0% 0.057 115.0);

Tailwind

colors: {
  custom: {
    50: '#67694c',
    500: '#2d310b',
    950: '#000000',
  },
}

SCSS

$custom: #2d310b;
$custom-light: #67694c;
$custom-dark: #000000;

JSON

{
  "hex": "#2d310b",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 66.316,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.30011,
    "c": 0.05696,
    "h": 115
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#2D310B

secondary

#312A6E

accent

#41E653

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#060601

muted

#7A7A77

Preview Lab

Preview with #2D310B

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

Preview Lab → · Contrast checker → · Palette generator →