#37400B#37400B

#37400B is a dark, moderate yellow-green. Relative luminance 0.045; OKLCH L 35.2% C 0.074 H 118.9°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#37400B
RGB	rgb(55, 64, 11)
HSL	hsl(70, 71%, 15%)
HSV	hsv(70, 83%, 25%)
CMYK	cmyk(14.1%, 0%, 82.8%, 74.9%)
CIE-LAB	lab(25.27, -12.03, 29.23)
CIE-LCH	lch(25.27, 31.61, 112.37°)
OKLab	oklab(35.17% -0.0358 0.0649)
OKLCH	oklch(35.17% 0.074 118.9)
XYZ	xyz(3.4694, 4.5032, 1.0030)
Luminance	0.0450 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37400B #140B40

analogous

#402F0B #37400B #1C400B

triadic

#37400B #0B3740 #400B37

tetradic

#37400B #0B402F #140B40 #400B1C

square

#37400B #0B402F #140B40 #400B1C

split-complementary

#37400B #0B1C40 #2F0B40

monochromatic

#161A04 #161A04 #37400B #647414 #91A81D

Accessibility & contrast

On white

11.05

#37400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#37400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37400B

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37400B	#FFFFFF	#000000	##FFFFFF
##37400B	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C03

Deuteranopia (green-blind)

#443C10

Tritanopia (blue-blind)

#3B3C36

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37400b;
/* rgb */ color: rgb(55, 64, 11);
/* oklch */ color: oklch(35.2% 0.074 118.9);

Tailwind

colors: {
  custom: {
    50: '#70744e',
    500: '#37400b',
    950: '#000000',
  },
}

SCSS

$custom: #37400b;
$custom-light: #70744e;
$custom-dark: #000000;

JSON

{
  "hex": "#37400b",
  "rgb": {
    "r": 55,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 70.189,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.35166,
    "c": 0.07408,
    "h": 118.9
  },
  "luminance": 0.04503
}

Semantic roles & 50–950 ramp

primary

#37400B

secondary

#382A7D

accent

#3AED59

background

#F6F7F4

surface

#ECEDE7

border

#C7C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #37400B

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

Preview Lab → · Contrast checker → · Palette generator →