#31310F#31310F

#31310F is a dark, muted yellow. Relative luminance 0.029; OKLCH L 30.5% C 0.052 H 109.1°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#31310F
RGB	rgb(49, 49, 15)
HSL	hsl(60, 53%, 13%)
HSV	hsv(60, 69%, 19%)
CMYK	cmyk(0%, 0%, 69.4%, 80.8%)
CIE-LAB	lab(19.57, -5.61, 21.17)
CIE-LCH	lch(19.57, 21.90, 104.84°)
OKLab	oklab(30.47% -0.0169 0.0489)
OKLCH	oklch(30.47% 0.052 109.1)
XYZ	xyz(2.4512, 2.8841, 0.8794)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31310F #0F0F31

analogous

#31200F #31310F #20310F

triadic

#31310F #0F3131 #310F31

tetradic

#31310F #0F3120 #0F0F31 #310F20

square

#31310F #0F3120 #0F0F31 #310F20

split-complementary

#31310F #0F2031 #200F31

monochromatic

#171707 #171707 #31310F #60601D #8F8F2C

Accessibility & contrast

On white

13.32

#31310F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#31310F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31310F

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31310F	#FFFFFF	#000000	##FFFFFF
##31310F	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F0B

Deuteranopia (green-blind)

#363011

Tritanopia (blue-blind)

#352E2A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #31310f;
/* rgb */ color: rgb(49, 49, 15);
/* oklch */ color: oklch(30.5% 0.052 109.1);

Tailwind

colors: {
  custom: {
    50: '#6a684f',
    500: '#31310f',
    950: '#000000',
  },
}

SCSS

$custom: #31310f;
$custom-light: #6a684f;
$custom-dark: #000000;

JSON

{
  "hex": "#31310f",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 15
  },
  "hsl": {
    "h": 60,
    "s": 53.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.30473,
    "c": 0.05171,
    "h": 109.1
  },
  "luminance": 0.02884
}

Semantic roles & 50–950 ramp

primary

#31310F

secondary

#31316B

accent

#4BDD4B

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#060602

muted

#7A7A78

Preview Lab

Preview with #31310F

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

Preview Lab → · Contrast checker → · Palette generator →