#37310A#37310A

#37310A is a dark, muted yellow. Relative luminance 0.030; OKLCH L 31.1% C 0.056 H 100.4°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#37310A
RGB	rgb(55, 49, 10)
HSL	hsl(52, 69%, 13%)
HSV	hsv(52, 82%, 22%)
CMYK	cmyk(0%, 10.9%, 81.8%, 78.4%)
CIE-LAB	lab(20.17, -2.79, 24.35)
CIE-LCH	lch(20.17, 24.51, 96.54°)
OKLab	oklab(31.08% -0.0101 0.055)
OKLCH	oklch(31.08% 0.056 100.4)
XYZ	xyz(2.7288, 3.0309, 0.7284)
Luminance	0.0303 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37310A #0A1037

analogous

#371A0A #37310A #26370A

triadic

#37310A #0A3731 #310A37

tetradic

#37310A #0A371A #0A1037 #370A26

square

#37310A #0A371A #0A1037 #370A26

split-complementary

#37310A #0A2637 #1A0A37

monochromatic

#1A1705 #1A1705 #37310A #6B5F13 #9F8D1D

Accessibility & contrast

On white

13.07

#37310A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#37310A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37310A

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37310A	#FFFFFF	#000000	##FFFFFF
##37310A	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#362F05

Deuteranopia (green-blind)

#38320C

Tritanopia (blue-blind)

#3C2D29

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #37310a;
/* rgb */ color: rgb(55, 49, 10);
/* oklch */ color: oklch(31.1% 0.056 100.4);

Tailwind

colors: {
  custom: {
    50: '#70684c',
    500: '#37310a',
    950: '#000000',
  },
}

SCSS

$custom: #37310a;
$custom-light: #70684c;
$custom-dark: #000000;

JSON

{
  "hex": "#37310a",
  "rgb": {
    "r": 55,
    "g": 49,
    "b": 10
  },
  "hsl": {
    "h": 52,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.31084,
    "c": 0.05595,
    "h": 100.4
  },
  "luminance": 0.03031
}

Semantic roles & 50–950 ramp

primary

#37310A

secondary

#283374

accent

#53EC3C

background

#F6F6F4

surface

#ECEBE7

border

#C7C6C3

text

#080601

muted

#7B7A77

Preview Lab

Preview with #37310A

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

Preview Lab → · Contrast checker → · Palette generator →