#42370D#42370D

#42370D is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 34.0% C 0.060 H 94.0°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#42370D
RGB	rgb(66, 55, 13)
HSL	hsl(48, 67%, 15%)
HSV	hsv(48, 80%, 26%)
CMYK	cmyk(0%, 16.7%, 80.3%, 74.1%)
CIE-LAB	lab(23.40, -0.61, 26.86)
CIE-LCH	lch(23.40, 26.87, 91.30°)
OKLab	oklab(33.95% -0.0042 0.0599)
OKLCH	oklch(33.95% 0.06 94)
XYZ	xyz(3.6858, 3.9199, 0.9432)
Luminance	0.0392 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42370D #0D1842

analogous

#421C0D #42370D #32420D

triadic

#42370D #0D4237 #370D42

tetradic

#42370D #0D421C #0D1842 #420D32

square

#42370D #0D421C #0D1842 #420D32

split-complementary

#42370D #0D3242 #1C0D42

monochromatic

#1A1505 #1A1505 #42370D #756217 #A88C21

Accessibility & contrast

On white

11.77

#42370D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#42370D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42370D

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42370D	#FFFFFF	#000000	##FFFFFF
##42370D	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3607

Deuteranopia (green-blind)

#40390F

Tritanopia (blue-blind)

#48322F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #42370d;
/* rgb */ color: rgb(66, 55, 13);
/* oklch */ color: oklch(34.0% 0.060 94.0);

Tailwind

colors: {
  custom: {
    50: '#796d4e',
    500: '#42370d',
    950: '#000000',
  },
}

SCSS

$custom: #42370d;
$custom-light: #796d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#42370d",
  "rgb": {
    "r": 66,
    "g": 55,
    "b": 13
  },
  "hsl": {
    "h": 47.547,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.33952,
    "c": 0.06,
    "h": 94
  },
  "luminance": 0.0392
}

Semantic roles & 50–950 ramp

primary

#42370D

secondary

#2D3E7E

accent

#62EA3E

background

#F7F6F4

surface

#EEEBE7

border

#C9C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #42370D

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

Preview Lab → · Contrast checker → · Palette generator →