#31380C#31380C

#31380C is a dark, moderate yellow. Relative luminance 0.035; OKLCH L 32.4% C 0.065 H 118.0°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#31380C
RGB	rgb(49, 56, 12)
HSL	hsl(70, 65%, 13%)
HSV	hsv(70, 79%, 22%)
CMYK	cmyk(12.5%, 0%, 78.6%, 78%)
CIE-LAB	lab(21.97, -10.23, 25.30)
CIE-LCH	lch(21.97, 27.29, 112.02°)
OKLab	oklab(32.38% -0.0303 0.0571)
OKLCH	oklch(32.38% 0.065 118)
XYZ	xyz(2.7472, 3.5079, 0.8801)
Luminance	0.0351 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31380C #130C38

analogous

#38290C #31380C #1B380C

triadic

#31380C #0C3138 #380C31

tetradic

#31380C #0C3829 #130C38 #380C1B

square

#31380C #0C3829 #130C38 #380C1B

split-complementary

#31380C #0C1B38 #290C38

monochromatic

#161905 #161905 #31380C #5D6A17 #899D22

Accessibility & contrast

On white

12.34

#31380C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#31380C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31380C

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31380C	#FFFFFF	#000000	##FFFFFF
##31380C	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3506

Deuteranopia (green-blind)

#3C350F

Tritanopia (blue-blind)

#34342F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #31380c;
/* rgb */ color: rgb(49, 56, 12);
/* oklch */ color: oklch(32.4% 0.065 118.0);

Tailwind

colors: {
  custom: {
    50: '#6b6e4e',
    500: '#31380c',
    950: '#000000',
  },
}

SCSS

$custom: #31380c;
$custom-light: #6b6e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#31380c",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 12
  },
  "hsl": {
    "h": 69.545,
    "s": 64.706,
    "l": 13.333
  },
  "oklch": {
    "l": 0.32384,
    "c": 0.06459,
    "h": 118
  },
  "luminance": 0.03508
}

Semantic roles & 50–950 ramp

primary

#31380C

secondary

#372C74

accent

#40E85B

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070701

muted

#7A7A77

Preview Lab

Preview with #31380C

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

Preview Lab → · Contrast checker → · Palette generator →