#37440B#37440B

#37440B is a dark, moderate yellow-green. Relative luminance 0.050; OKLCH L 36.3% C 0.080 H 121.9°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#37440B
RGB	rgb(55, 68, 11)
HSL	hsl(74, 72%, 15%)
HSV	hsv(74, 84%, 27%)
CMYK	cmyk(19.1%, 0%, 83.8%, 73.3%)
CIE-LAB	lab(26.65, -14.34, 30.55)
CIE-LCH	lch(26.65, 33.75, 115.14°)
OKLab	oklab(36.28% -0.0421 0.0676)
OKLCH	oklch(36.28% 0.08 121.9)
XYZ	xyz(3.7031, 4.9706, 1.0809)
Luminance	0.0497 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37440B #180B44

analogous

#44340B #37440B #1A440B

triadic

#37440B #0B3744 #440B37

tetradic

#37440B #0B4434 #180B44 #440B1A

square

#37440B #0B4434 #180B44 #440B1A

split-complementary

#37440B #0B1A44 #340B44

monochromatic

#151A04 #151A04 #37440B #627914 #8CAD1C

Accessibility & contrast

On white

10.53

#37440B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#37440B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37440B

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37440B	#FFFFFF	#000000	##FFFFFF
##37440B	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#493F02

Deuteranopia (green-blind)

#473F10

Tritanopia (blue-blind)

#3A4039

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #37440b;
/* rgb */ color: rgb(55, 68, 11);
/* oklch */ color: oklch(36.3% 0.080 121.9);

Tailwind

colors: {
  custom: {
    50: '#70774f',
    500: '#37440b',
    950: '#000000',
  },
}

SCSS

$custom: #37440b;
$custom-light: #70774f;
$custom-dark: #000000;

JSON

{
  "hex": "#37440b",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 11
  },
  "hsl": {
    "h": 73.684,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.3628,
    "c": 0.0797,
    "h": 121.9
  },
  "luminance": 0.04971
}

Semantic roles & 50–950 ramp

primary

#37440B

secondary

#3E2A81

accent

#39EF62

background

#F6F7F4

surface

#ECEDE7

border

#C7C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #37440B

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

Preview Lab → · Contrast checker → · Palette generator →