#312F04#312F04

#312F04 is a dark, muted yellow. Relative luminance 0.027; OKLCH L 29.8% C 0.060 H 106.8°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#312F04
RGB	rgb(49, 47, 4)
HSL	hsl(57, 85%, 10%)
HSV	hsv(57, 92%, 19%)
CMYK	cmyk(0%, 4.1%, 91.8%, 80.8%)
CIE-LAB	lab(18.78, -5.18, 25.03)
CIE-LCH	lch(18.78, 25.56, 101.68°)
OKLab	oklab(29.8% -0.0173 0.0573)
OKLCH	oklch(29.8% 0.06 106.8)
XYZ	xyz(2.3051, 2.6948, 0.5136)
Luminance	0.0270 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F04 #040631

analogous

#311804 #312F04 #1C3104

triadic

#312F04 #04312F #2F0431

tetradic

#312F04 #043118 #040631 #31041C

square

#312F04 #043118 #040631 #31041C

split-complementary

#312F04 #041C31 #180431

monochromatic

#1C1B02 #1C1B02 #312F04 #6A6509 #A29C0D

Accessibility & contrast

On white

13.65

#312F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#312F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F04

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F04	#FFFFFF	#000000	##FFFFFF
##312F04	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D00

Deuteranopia (green-blind)

#352E07

Tritanopia (blue-blind)

#352B27

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #312f04;
/* rgb */ color: rgb(49, 47, 4);
/* oklch */ color: oklch(29.8% 0.060 106.8);

Tailwind

colors: {
  custom: {
    50: '#6b6749',
    500: '#312f04',
    950: '#000000',
  },
}

SCSS

$custom: #312f04;
$custom-light: #6b6749;
$custom-dark: #000000;

JSON

{
  "hex": "#312f04",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 4
  },
  "hsl": {
    "h": 57.333,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.29804,
    "c": 0.05982,
    "h": 106.8
  },
  "luminance": 0.02695
}

Semantic roles & 50–950 ramp

primary

#312F04

secondary

#1D2173

accent

#36FB2D

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #312F04

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

Preview Lab → · Contrast checker → · Palette generator →