#373F05#373F05

#373F05 is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 34.8% C 0.077 H 117.7°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#373F05
RGB	rgb(55, 63, 5)
HSL	hsl(68, 85%, 13%)
HSV	hsv(68, 92%, 25%)
CMYK	cmyk(12.7%, 0%, 92.1%, 75.3%)
CIE-LAB	lab(24.88, -11.79, 31.31)
CIE-LCH	lch(24.88, 33.46, 110.64°)
OKLab	oklab(34.84% -0.0358 0.0681)
OKLCH	oklch(34.84% 0.077 117.7)
XYZ	xyz(3.3805, 4.3782, 0.8105)
Luminance	0.0438 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373F05 #0D053F

analogous

#3F2A05 #373F05 #1A3F05

triadic

#373F05 #05373F #3F0537

tetradic

#373F05 #053F2A #0D053F #3F051A

square

#373F05 #053F2A #0D053F #3F051A

split-complementary

#373F05 #051A3F #2A053F

monochromatic

#191C02 #191C02 #373F05 #687809 #9AB00E

Accessibility & contrast

On white

11.20

#373F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#373F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373F05

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373F05	#FFFFFF	#000000	##FFFFFF
##373F05	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B00

Deuteranopia (green-blind)

#433B0A

Tritanopia (blue-blind)

#3B3B35

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #373f05;
/* rgb */ color: rgb(55, 63, 5);
/* oklch */ color: oklch(34.8% 0.077 117.7);

Tailwind

colors: {
  custom: {
    50: '#70734b',
    500: '#373f05',
    950: '#000000',
  },
}

SCSS

$custom: #373f05;
$custom-light: #70734b;
$custom-dark: #000000;

JSON

{
  "hex": "#373f05",
  "rgb": {
    "r": 55,
    "g": 63,
    "b": 5
  },
  "hsl": {
    "h": 68.276,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.34843,
    "c": 0.07694,
    "h": 117.7
  },
  "luminance": 0.04378
}

Semantic roles & 50–950 ramp

primary

#373F05

secondary

#2D2080

accent

#2CFC49

background

#F6F7F4

surface

#ECEDE7

border

#C7C8C3

text

#080801

muted

#7B7B77

Preview Lab

Preview with #373F05

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

Preview Lab → · Contrast checker → · Palette generator →