#37380B#37380B

#37380B is a dark, moderate yellow. Relative luminance 0.037; OKLCH L 33.0% C 0.063 H 110.7°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#37380B
RGB	rgb(55, 56, 11)
HSL	hsl(61, 67%, 13%)
HSV	hsv(61, 80%, 22%)
CMYK	cmyk(1.8%, 0%, 80.4%, 78%)
CIE-LAB	lab(22.53, -7.19, 26.50)
CIE-LCH	lch(22.53, 27.46, 105.18°)
OKLab	oklab(32.97% -0.0223 0.0592)
OKLCH	oklch(32.97% 0.063 110.7)
XYZ	xyz(3.0502, 3.6648, 0.8632)
Luminance	0.0367 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 12.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37380B #0C0B38

analogous

#38220B #37380B #20380B

triadic

#37380B #0B3738 #380B37

tetradic

#37380B #0B3822 #0C0B38 #380B20

square

#37380B #0B3822 #0C0B38 #380B20

split-complementary

#37380B #0B2038 #220B38

monochromatic

#191A05 #191A05 #37380B #696B15 #9B9E1F

Accessibility & contrast

On white

12.12

#37380B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#37380B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37380B

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37380B	#FFFFFF	#000000	##FFFFFF
##37380B	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3505

Deuteranopia (green-blind)

#3D360E

Tritanopia (blue-blind)

#3B342F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #37380b;
/* rgb */ color: rgb(55, 56, 11);
/* oklch */ color: oklch(33.0% 0.063 110.7);

Tailwind

colors: {
  custom: {
    50: '#706e4d',
    500: '#37380b',
    950: '#000000',
  },
}

SCSS

$custom: #37380b;
$custom-light: #706e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#37380b",
  "rgb": {
    "r": 55,
    "g": 56,
    "b": 11
  },
  "hsl": {
    "h": 61.333,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.32969,
    "c": 0.06329,
    "h": 110.7
  },
  "luminance": 0.03665
}

Semantic roles & 50–950 ramp

primary

#37380B

secondary

#2C2A75

accent

#3EEA42

background

#F6F6F4

surface

#ECEBE7

border

#C7C6C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #37380B

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

Preview Lab → · Contrast checker → · Palette generator →