#312F09#312F09

#312F09 is a dark, muted yellow. Relative luminance 0.027; OKLCH L 29.9% C 0.055 H 106.3°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#312F09
RGB	rgb(49, 47, 9)
HSL	hsl(57, 69%, 11%)
HSV	hsv(57, 82%, 19%)
CMYK	cmyk(0%, 4.1%, 81.6%, 80.8%)
CIE-LAB	lab(18.82, -4.81, 23.05)
CIE-LCH	lch(18.82, 23.54, 101.78°)
OKLab	oklab(29.86% -0.0155 0.0528)
OKLCH	oklch(29.86% 0.055 106.3)
XYZ	xyz(2.3325, 2.7058, 0.6578)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F09 #090B31

analogous

#311B09 #312F09 #1F3109

triadic

#312F09 #09312F #2F0931

tetradic

#312F09 #09311B #090B31 #31091F

square

#312F09 #09311B #090B31 #31091F

split-complementary

#312F09 #091F31 #1B0931

monochromatic

#1A1905 #1A1905 #312F09 #656112 #98921C

Accessibility & contrast

On white

13.63

#312F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#312F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F09

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F09	#FFFFFF	#000000	##FFFFFF
##312F09	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D05

Deuteranopia (green-blind)

#352E0B

Tritanopia (blue-blind)

#352B27

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #312f09;
/* rgb */ color: rgb(49, 47, 9);
/* oklch */ color: oklch(29.9% 0.055 106.3);

Tailwind

colors: {
  custom: {
    50: '#6b674b',
    500: '#312f09',
    950: '#000000',
  },
}

SCSS

$custom: #312f09;
$custom-light: #6b674b;
$custom-dark: #000000;

JSON

{
  "hex": "#312f09",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 9
  },
  "hsl": {
    "h": 57,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.29856,
    "c": 0.05505,
    "h": 106.3
  },
  "luminance": 0.02706
}

Semantic roles & 50–950 ramp

primary

#312F09

secondary

#272A6F

accent

#45EC3C

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #312F09

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

Preview Lab → · Contrast checker → · Palette generator →