#31370D#31370D

#31370D is a dark, moderate yellow. Relative luminance 0.034; OKLCH L 32.1% C 0.062 H 117.0°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#31370D
RGB	rgb(49, 55, 13)
HSL	hsl(69, 62%, 13%)
HSV	hsv(69, 76%, 22%)
CMYK	cmyk(10.9%, 0%, 76.4%, 78.4%)
CIE-LAB	lab(21.63, -9.54, 24.46)
CIE-LCH	lch(21.63, 26.26, 111.31°)
OKLab	oklab(32.11% -0.0282 0.0555)
OKLCH	oklch(32.11% 0.062 117)
XYZ	xyz(2.7055, 3.4144, 0.8972)
Luminance	0.0341 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 10.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31370D #130D37

analogous

#37280D #31370D #1C370D

triadic

#31370D #0D3137 #370D31

tetradic

#31370D #0D3728 #130D37 #370D1C

square

#31370D #0D3728 #130D37 #370D1C

split-complementary

#31370D #0D1C37 #280D37

monochromatic

#161906 #161906 #31370D #5D6819 #899A24

Accessibility & contrast

On white

12.48

#31370D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#31370D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31370D

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31370D	#FFFFFF	#000000	##FFFFFF
##31370D	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3408

Deuteranopia (green-blind)

#3B3410

Tritanopia (blue-blind)

#34342E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #31370d;
/* rgb */ color: rgb(49, 55, 13);
/* oklch */ color: oklch(32.1% 0.062 117.0);

Tailwind

colors: {
  custom: {
    50: '#6b6d4e',
    500: '#31370d',
    950: '#000000',
  },
}

SCSS

$custom: #31370d;
$custom-light: #6b6d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#31370d",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 13
  },
  "hsl": {
    "h": 68.571,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.32114,
    "c": 0.06224,
    "h": 117
  },
  "luminance": 0.03414
}

Semantic roles & 50–950 ramp

primary

#31370D

secondary

#372D72

accent

#43E55A

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070702

muted

#7A7A78

Preview Lab

Preview with #31370D

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

Preview Lab → · Contrast checker → · Palette generator →