#373A03#373A03

#373A03 is a dark, moderate yellow. Relative luminance 0.038; OKLCH L 33.4% C 0.072 H 113.0°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#373A03
RGB	rgb(55, 58, 3)
HSL	hsl(63, 90%, 12%)
HSV	hsv(63, 95%, 23%)
CMYK	cmyk(5.2%, 0%, 94.8%, 77.3%)
CIE-LAB	lab(23.15, -8.92, 30.41)
CIE-LCH	lch(23.15, 31.69, 106.35°)
OKLab	oklab(33.45% -0.0282 0.0664)
OKLCH	oklch(33.45% 0.072 113)
XYZ	xyz(3.1051, 3.8450, 0.6647)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373A03 #06033A

analogous

#3A2203 #373A03 #1C3A03

triadic

#373A03 #03373A #3A0337

tetradic

#373A03 #033A22 #06033A #3A031C

square

#373A03 #033A22 #06033A #3A031C

split-complementary

#373A03 #031C3A #22033A

monochromatic

#1C1D02 #1C1D02 #373A03 #6E7406 #A5AE09

Accessibility & contrast

On white

11.87

#373A03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#373A03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373A03

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373A03	#FFFFFF	#000000	##FFFFFF
##373A03	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3700

Deuteranopia (green-blind)

#3F3807

Tritanopia (blue-blind)

#3C3630

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #373a03;
/* rgb */ color: rgb(55, 58, 3);
/* oklch */ color: oklch(33.4% 0.072 113.0);

Tailwind

colors: {
  custom: {
    50: '#70704a',
    500: '#373a03',
    950: '#000000',
  },
}

SCSS

$custom: #373a03;
$custom-light: #70704a;
$custom-dark: #000000;

JSON

{
  "hex": "#373a03",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 3
  },
  "hsl": {
    "h": 63.273,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.33447,
    "c": 0.07209,
    "h": 113
  },
  "luminance": 0.03845
}

Semantic roles & 50–950 ramp

primary

#373A03

secondary

#211C7D

accent

#29FF34

background

#F6F6F4

surface

#ECECE7

border

#C7C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #373A03

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

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