#373B03#373B03

#373B03 is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 33.7% C 0.073 H 114.0°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#373B03
RGB	rgb(55, 59, 3)
HSL	hsl(64, 90%, 12%)
HSV	hsv(64, 95%, 23%)
CMYK	cmyk(6.8%, 0%, 94.9%, 76.9%)
CIE-LAB	lab(23.49, -9.53, 30.76)
CIE-LCH	lch(23.49, 32.20, 107.21°)
OKLab	oklab(33.72% -0.0298 0.067)
OKLCH	oklch(33.72% 0.073 114)
XYZ	xyz(3.1561, 3.9468, 0.6817)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373B03 #07033B

analogous

#3B2303 #373B03 #1B3B03

triadic

#373B03 #03373B #3B0337

tetradic

#373B03 #033B23 #07033B #3B031B

square

#373B03 #033B23 #07033B #3B031B

split-complementary

#373B03 #031B3B #23033B

monochromatic

#1B1D01 #1B1D01 #373B03 #6D7506 #A4AF09

Accessibility & contrast

On white

11.74

#373B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#373B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373B03

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373B03	#FFFFFF	#000000	##FFFFFF
##373B03	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403700

Deuteranopia (green-blind)

#403808

Tritanopia (blue-blind)

#3B3731

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #373b03;
/* rgb */ color: rgb(55, 59, 3);
/* oklch */ color: oklch(33.7% 0.073 114.0);

Tailwind

colors: {
  custom: {
    50: '#70704a',
    500: '#373b03',
    950: '#000000',
  },
}

SCSS

$custom: #373b03;
$custom-light: #70704a;
$custom-dark: #000000;

JSON

{
  "hex": "#373b03",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 3
  },
  "hsl": {
    "h": 64.286,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.33722,
    "c": 0.07332,
    "h": 114
  },
  "luminance": 0.03947
}

Semantic roles & 50–950 ramp

primary

#373B03

secondary

#231C7E

accent

#29FF38

background

#F6F6F4

surface

#ECECE7

border

#C7C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #373B03

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

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