#373C09#373C09

#373C09 is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.0% C 0.070 H 115.1°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#373C09
RGB	rgb(55, 60, 9)
HSL	hsl(66, 74%, 14%)
HSV	hsv(66, 85%, 24%)
CMYK	cmyk(8.3%, 0%, 85%, 76.5%)
CIE-LAB	lab(23.88, -9.77, 28.70)
CIE-LCH	lch(23.88, 30.32, 108.79°)
OKLab	oklab(34.05% -0.0297 0.0634)
OKLCH	oklch(34.05% 0.07 115.1)
XYZ	xyz(3.2408, 4.0637, 0.8720)
Luminance	0.0406 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373C09 #0E093C

analogous

#3C2709 #373C09 #1D3C09

triadic

#373C09 #09373C #3C0937

tetradic

#373C09 #093C27 #0E093C #3C091D

square

#373C09 #093C27 #0E093C #3C091D

split-complementary

#373C09 #091D3C #27093C

monochromatic

#181B04 #181B04 #373C09 #687111 #99A619

Accessibility & contrast

On white

11.58

#373C09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#373C09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373C09

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373C09	#FFFFFF	#000000	##FFFFFF
##373C09	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413802

Deuteranopia (green-blind)

#41390D

Tritanopia (blue-blind)

#3B3832

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #373c09;
/* rgb */ color: rgb(55, 60, 9);
/* oklch */ color: oklch(34.0% 0.070 115.1);

Tailwind

colors: {
  custom: {
    50: '#70714d',
    500: '#373c09',
    950: '#000000',
  },
}

SCSS

$custom: #373c09;
$custom-light: #70714d;
$custom-dark: #000000;

JSON

{
  "hex": "#373c09",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 9
  },
  "hsl": {
    "h": 65.882,
    "s": 73.913,
    "l": 13.529
  },
  "oklch": {
    "l": 0.34046,
    "c": 0.07005,
    "h": 115.1
  },
  "luminance": 0.04064
}

Semantic roles & 50–950 ramp

primary

#373C09

secondary

#2F277A

accent

#37F149

background

#F6F6F4

surface

#ECECE7

border

#C7C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #373C09

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

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