#42370E#42370E

#42370E is a dark, muted yellow. Relative luminance 0.039; OKLCH L 34.0% C 0.059 H 93.8°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#42370E
RGB	rgb(66, 55, 14)
HSL	hsl(47, 65%, 16%)
HSV	hsv(47, 79%, 26%)
CMYK	cmyk(0%, 16.7%, 78.8%, 74.1%)
CIE-LAB	lab(23.41, -0.55, 26.38)
CIE-LCH	lch(23.41, 26.39, 91.19°)
OKLab	oklab(33.96% -0.0039 0.059)
OKLCH	oklch(33.96% 0.059 93.8)
XYZ	xyz(3.6924, 3.9225, 0.9780)
Luminance	0.0392 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42370E #0E1942

analogous

#421D0E #42370E #33420E

triadic

#42370E #0E4237 #370E42

tetradic

#42370E #0E421D #0E1942 #420E33

square

#42370E #0E421D #0E1942 #420E33

split-complementary

#42370E #0E3342 #1D0E42

monochromatic

#191505 #191505 #42370E #746119 #A78B23

Accessibility & contrast

On white

11.77

#42370E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#42370E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42370E

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42370E	#FFFFFF	#000000	##FFFFFF
##42370E	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)

#3E3608

Deuteranopia (green-blind)

#403910

Tritanopia (blue-blind)

#48322F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #42370e;
/* rgb */ color: rgb(66, 55, 14);
/* oklch */ color: oklch(34.0% 0.059 93.8);

Tailwind

colors: {
  custom: {
    50: '#796d4f',
    500: '#42370e',
    950: '#000000',
  },
}

SCSS

$custom: #42370e;
$custom-light: #796d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#42370e",
  "rgb": {
    "r": 66,
    "g": 55,
    "b": 14
  },
  "hsl": {
    "h": 47.308,
    "s": 65,
    "l": 15.686
  },
  "oklch": {
    "l": 0.33962,
    "c": 0.05917,
    "h": 93.8
  },
  "luminance": 0.03922
}

Semantic roles & 50–950 ramp

primary

#42370E

secondary

#2F3F7D

accent

#63E840

background

#F7F6F4

surface

#EEEBE7

border

#C9C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #42370E

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

Preview Lab → · Contrast checker → · Palette generator →