#373F0A#373F0A

#373F0A is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 34.9% C 0.073 H 118.0°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#373F0A
RGB	rgb(55, 63, 10)
HSL	hsl(69, 73%, 14%)
HSV	hsv(69, 84%, 25%)
CMYK	cmyk(12.7%, 0%, 84.1%, 75.3%)
CIE-LAB	lab(24.92, -11.50, 29.31)
CIE-LCH	lch(24.92, 31.48, 111.42°)
OKLab	oklab(34.88% -0.0344 0.0648)
OKLCH	oklch(34.88% 0.073 118)
XYZ	xyz(3.4079, 4.3892, 0.9548)
Luminance	0.0439 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373F0A #120A3F

analogous

#3F2D0A #373F0A #1D3F0A

triadic

#373F0A #0A373F #3F0A37

tetradic

#373F0A #0A3F2D #120A3F #3F0A1D

square

#373F0A #0A3F2D #120A3F #3F0A1D

split-complementary

#373F0A #0A1D3F #2D0A3F

monochromatic

#171A04 #171A04 #373F0A #657412 #93A91B

Accessibility & contrast

On white

11.18

#373F0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#373F0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373F0A

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373F0A	#FFFFFF	#000000	##FFFFFF
##373F0A	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B02

Deuteranopia (green-blind)

#433B0F

Tritanopia (blue-blind)

#3B3B35

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #373f0a;
/* rgb */ color: rgb(55, 63, 10);
/* oklch */ color: oklch(34.9% 0.073 118.0);

Tailwind

colors: {
  custom: {
    50: '#70744e',
    500: '#373f0a',
    950: '#000000',
  },
}

SCSS

$custom: #373f0a;
$custom-light: #70744e;
$custom-dark: #000000;

JSON

{
  "hex": "#373f0a",
  "rgb": {
    "r": 55,
    "g": 63,
    "b": 10
  },
  "hsl": {
    "h": 69.057,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.34881,
    "c": 0.0734,
    "h": 118
  },
  "luminance": 0.04389
}

Semantic roles & 50–950 ramp

primary

#373F0A

secondary

#35297C

accent

#38EF54

background

#F6F7F4

surface

#ECEDE7

border

#C7C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #373F0A

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

Preview Lab → · Contrast checker → · Palette generator →