#31370C#31370C

#31370C is a dark, moderate yellow. Relative luminance 0.034; OKLCH L 32.1% C 0.063 H 116.9°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#31370C
RGB	rgb(49, 55, 12)
HSL	hsl(68, 64%, 13%)
HSV	hsv(68, 78%, 22%)
CMYK	cmyk(10.9%, 0%, 78.2%, 78.4%)
CIE-LAB	lab(21.62, -9.62, 24.92)
CIE-LCH	lch(21.62, 26.72, 111.11°)
OKLab	oklab(32.1% -0.0286 0.0563)
OKLCH	oklch(32.1% 0.063 116.9)
XYZ	xyz(2.6992, 3.4119, 0.8641)
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

#31370C #120C37

analogous

#37270C #31370C #1B370C

triadic

#31370C #0C3137 #370C31

tetradic

#31370C #0C3727 #120C37 #370C1B

square

#31370C #0C3727 #120C37 #370C1B

split-complementary

#31370C #0C1B37 #270C37

monochromatic

#161905 #161905 #31370C #5E6917 #8B9B22

Accessibility & contrast

On white

12.48

#31370C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#31370C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31370C

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31370C	#FFFFFF	#000000	##FFFFFF
##31370C	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)

#3B3406

Deuteranopia (green-blind)

#3B340F

Tritanopia (blue-blind)

#35332E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #31370c;
/* rgb */ color: rgb(49, 55, 12);
/* oklch */ color: oklch(32.1% 0.063 116.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#31370c",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 12
  },
  "hsl": {
    "h": 68.372,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.32103,
    "c": 0.06314,
    "h": 116.9
  },
  "luminance": 0.03412
}

Semantic roles & 50–950 ramp

primary

#31370C

secondary

#362C73

accent

#41E758

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070701

muted

#7A7A77

Preview Lab

Preview with #31370C

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

Preview Lab → · Contrast checker → · Palette generator →