#31370A#31370A

#31370A is a dark, moderate yellow. Relative luminance 0.034; OKLCH L 32.1% C 0.065 H 116.8°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#31370A
RGB	rgb(49, 55, 10)
HSL	hsl(68, 69%, 13%)
HSV	hsv(68, 82%, 22%)
CMYK	cmyk(10.9%, 0%, 81.8%, 78.4%)
CIE-LAB	lab(21.61, -9.77, 25.76)
CIE-LCH	lch(21.61, 27.55, 110.76°)
OKLab	oklab(32.08% -0.0292 0.0579)
OKLCH	oklch(32.08% 0.065 116.8)
XYZ	xyz(2.6877, 3.4073, 0.8032)
Luminance	0.0341 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31370A #100A37

analogous

#37260A #31370A #1A370A

triadic

#31370A #0A3137 #370A31

tetradic

#31370A #0A3726 #100A37 #370A1A

square

#31370A #0A3726 #100A37 #370A1A

split-complementary

#31370A #0A1A37 #260A37

monochromatic

#171A05 #171A05 #31370A #5F6B13 #8D9F1D

Accessibility & contrast

On white

12.49

#31370A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#31370A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31370A

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31370A	#FFFFFF	#000000	##FFFFFF
##31370A	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3404

Deuteranopia (green-blind)

#3B340E

Tritanopia (blue-blind)

#35332E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #31370a;
/* rgb */ color: rgb(49, 55, 10);
/* oklch */ color: oklch(32.1% 0.065 116.8);

Tailwind

colors: {
  custom: {
    50: '#6b6d4c',
    500: '#31370a',
    950: '#000000',
  },
}

SCSS

$custom: #31370a;
$custom-light: #6b6d4c;
$custom-dark: #000000;

JSON

{
  "hex": "#31370a",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 10
  },
  "hsl": {
    "h": 68,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.32084,
    "c": 0.06483,
    "h": 116.8
  },
  "luminance": 0.03407
}

Semantic roles & 50–950 ramp

primary

#31370A

secondary

#332874

accent

#3CEC53

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070701

muted

#7A7A77

Preview Lab

Preview with #31370A

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

Preview Lab → · Contrast checker → · Palette generator →