#31310C#31310C

#31310C is a dark, muted yellow. Relative luminance 0.029; OKLCH L 30.4% C 0.055 H 109.3°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#31310C
RGB	rgb(49, 49, 12)
HSL	hsl(60, 61%, 12%)
HSV	hsv(60, 76%, 19%)
CMYK	cmyk(0%, 0%, 75.5%, 80.8%)
CIE-LAB	lab(19.54, -5.87, 22.61)
CIE-LCH	lch(19.54, 23.36, 104.55°)
OKLab	oklab(30.44% -0.0181 0.0517)
OKLCH	oklch(30.44% 0.055 109.3)
XYZ	xyz(2.4314, 2.8762, 0.7748)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31310C #0C0C31

analogous

#311F0C #31310C #1F310C

triadic

#31310C #0C3131 #310C31

tetradic

#31310C #0C311F #0C0C31 #310C1F

square

#31310C #0C311F #0C0C31 #310C1F

split-complementary

#31310C #0C1F31 #1F0C31

monochromatic

#191906 #191906 #31310C #626218 #939324

Accessibility & contrast

On white

13.33

#31310C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#31310C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31310C

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31310C	#FFFFFF	#000000	##FFFFFF
##31310C	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#362F07

Deuteranopia (green-blind)

#36300E

Tritanopia (blue-blind)

#352D29

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #31310c;
/* rgb */ color: rgb(49, 49, 12);
/* oklch */ color: oklch(30.4% 0.055 109.3);

Tailwind

colors: {
  custom: {
    50: '#6a684d',
    500: '#31310c',
    950: '#000000',
  },
}

SCSS

$custom: #31310c;
$custom-light: #6a684d;
$custom-dark: #000000;

JSON

{
  "hex": "#31310c",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 12
  },
  "hsl": {
    "h": 60,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.30437,
    "c": 0.0548,
    "h": 109.3
  },
  "luminance": 0.02876
}

Semantic roles & 50–950 ramp

primary

#31310C

secondary

#2C2C6D

accent

#44E444

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #31310C

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

Preview Lab → · Contrast checker → · Palette generator →