#373B09#373B09

#373B09 is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 33.8% C 0.069 H 114.1°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#373B09
RGB	rgb(55, 59, 9)
HSL	hsl(65, 74%, 13%)
HSV	hsv(65, 85%, 23%)
CMYK	cmyk(6.8%, 0%, 84.7%, 76.9%)
CIE-LAB	lab(23.54, -9.16, 28.36)
CIE-LCH	lch(23.54, 29.80, 107.90°)
OKLab	oklab(33.77% -0.0281 0.0627)
OKLCH	oklch(33.77% 0.069 114.1)
XYZ	xyz(3.1889, 3.9599, 0.8547)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373B09 #0D093B

analogous

#3B2609 #373B09 #1E3B09

triadic

#373B09 #09373B #3B0937

tetradic

#373B09 #093B26 #0D093B #3B091E

square

#373B09 #093B26 #0D093B #3B091E

split-complementary

#373B09 #091E3B #26093B

monochromatic

#191B04 #191B04 #373B09 #687011 #9AA519

Accessibility & contrast

On white

11.72

#373B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#373B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373B09

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373B09	#FFFFFF	#000000	##FFFFFF
##373B09	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403802

Deuteranopia (green-blind)

#40390D

Tritanopia (blue-blind)

#3B3731

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #373b09;
/* rgb */ color: rgb(55, 59, 9);
/* oklch */ color: oklch(33.8% 0.069 114.1);

Tailwind

colors: {
  custom: {
    50: '#70704d',
    500: '#373b09',
    950: '#000000',
  },
}

SCSS

$custom: #373b09;
$custom-light: #70704d;
$custom-dark: #000000;

JSON

{
  "hex": "#373b09",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 9
  },
  "hsl": {
    "h": 64.8,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33771,
    "c": 0.06872,
    "h": 114.1
  },
  "luminance": 0.0396
}

Semantic roles & 50–950 ramp

primary

#373B09

secondary

#2D2779

accent

#38F046

background

#F6F6F4

surface

#ECECE7

border

#C7C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #373B09

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

Preview Lab → · Contrast checker → · Palette generator →