#373B05#373B05

#373B05 is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 33.7% C 0.072 H 114.0°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#373B05
RGB	rgb(55, 59, 5)
HSL	hsl(64, 84%, 13%)
HSV	hsv(64, 92%, 23%)
CMYK	cmyk(6.8%, 0%, 91.5%, 76.9%)
CIE-LAB	lab(23.51, -9.41, 29.96)
CIE-LCH	lch(23.51, 31.40, 107.43°)
OKLab	oklab(33.74% -0.0292 0.0655)
OKLCH	oklch(33.74% 0.072 114)
XYZ	xyz(3.1670, 3.9512, 0.7394)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373B05 #09053B

analogous

#3B2405 #373B05 #1C3B05

triadic

#373B05 #05373B #3B0537

tetradic

#373B05 #053B24 #09053B #3B051C

square

#373B05 #053B24 #09053B #3B051C

split-complementary

#373B05 #051C3B #24053B

monochromatic

#1A1C02 #1A1C02 #373B05 #6C730A #A0AC0F

Accessibility & contrast

On white

11.73

#373B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#373B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373B05

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373B05	#FFFFFF	#000000	##FFFFFF
##373B05	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403800

Deuteranopia (green-blind)

#40380A

Tritanopia (blue-blind)

#3B3731

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #373b05;
/* rgb */ color: rgb(55, 59, 5);
/* oklch */ color: oklch(33.7% 0.072 114.0);

Tailwind

colors: {
  custom: {
    50: '#70704b',
    500: '#373b05',
    950: '#000000',
  },
}

SCSS

$custom: #373b05;
$custom-light: #70704b;
$custom-dark: #000000;

JSON

{
  "hex": "#373b05",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 5
  },
  "hsl": {
    "h": 64.444,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.33738,
    "c": 0.07176,
    "h": 114
  },
  "luminance": 0.03951
}

Semantic roles & 50–950 ramp

primary

#373B05

secondary

#27207C

accent

#2DFB3C

background

#F6F6F4

surface

#ECECE7

border

#C7C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #373B05

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

Preview Lab → · Contrast checker → · Palette generator →