#373C04#373C04

#373C04 is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.0% C 0.074 H 115.0°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#373C04
RGB	rgb(55, 60, 4)
HSL	hsl(65, 88%, 13%)
HSV	hsv(65, 93%, 24%)
CMYK	cmyk(8.3%, 0%, 93.3%, 76.5%)
CIE-LAB	lab(23.85, -10.07, 30.70)
CIE-LCH	lch(23.85, 32.31, 108.16°)
OKLab	oklab(34.01% -0.0312 0.0669)
OKLCH	oklch(34.01% 0.074 115)
XYZ	xyz(3.2134, 4.0528, 0.7278)
Luminance	0.0405 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373C04 #09043C

analogous

#3C2504 #373C04 #1B3C04

triadic

#373C04 #04373C #3C0437

tetradic

#373C04 #043C25 #09043C #3C041B

square

#373C04 #043C25 #09043C #3C041B

split-complementary

#373C04 #041B3C #25043C

monochromatic

#1A1D02 #1A1D02 #373C04 #6C7508 #A0AF0C

Accessibility & contrast

On white

11.60

#373C04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#373C04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373C04

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373C04	#FFFFFF	#000000	##FFFFFF
##373C04	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413800

Deuteranopia (green-blind)

#413909

Tritanopia (blue-blind)

#3B3832

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #373c04;
/* rgb */ color: rgb(55, 60, 4);
/* oklch */ color: oklch(34.0% 0.074 115.0);

Tailwind

colors: {
  custom: {
    50: '#70714a',
    500: '#373c04',
    950: '#000000',
  },
}

SCSS

$custom: #373c04;
$custom-light: #70714a;
$custom-dark: #000000;

JSON

{
  "hex": "#373c04",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 4
  },
  "hsl": {
    "h": 65.357,
    "s": 87.5,
    "l": 12.549
  },
  "oklch": {
    "l": 0.34005,
    "c": 0.0738,
    "h": 115
  },
  "luminance": 0.04053
}

Semantic roles & 50–950 ramp

primary

#373C04

secondary

#271E7E

accent

#2AFE3D

background

#F6F6F4

surface

#ECECE7

border

#C7C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #373C04

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

Preview Lab → · Contrast checker → · Palette generator →