#42391E#42391E

#42391E is a dark, muted yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.044 H 91.5°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#42391E
RGB	rgb(66, 57, 30)
HSL	hsl(45, 38%, 19%)
HSV	hsv(45, 55%, 26%)
CMYK	cmyk(0%, 13.6%, 54.5%, 74.1%)
CIE-LAB	lab(24.25, -0.39, 18.20)
CIE-LCH	lch(24.25, 18.20, 91.24°)
OKLab	oklab(34.69% -0.0012 0.0438)
OKLCH	oklch(34.69% 0.044 91.5)
XYZ	xyz(3.9444, 4.1784, 1.8268)
Luminance	0.0418 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42391E #1E2742

analogous

#42271E #42391E #39421E

triadic

#42391E #1E4239 #391E42

tetradic

#42391E #1E4227 #1E2742 #421E39

square

#42391E #1E4227 #1E2742 #421E39

split-complementary

#42391E #1E3942 #271E42

monochromatic

#15120A #18150B #42391E #6C5D31 #968244

Accessibility & contrast

On white

11.44

#42391E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#42391E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42391E

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42391E	#FFFFFF	#000000	##FFFFFF
##42391E	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E381C

Deuteranopia (green-blind)

#413B1F

Tritanopia (blue-blind)

#473532

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #42391e;
/* rgb */ color: rgb(66, 57, 30);
/* oklch */ color: oklch(34.7% 0.044 91.5);

Tailwind

colors: {
  custom: {
    50: '#776f5a',
    500: '#42391e',
    950: '#000000',
  },
}

SCSS

$custom: #42391e;
$custom-light: #776f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#42391e",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 30
  },
  "hsl": {
    "h": 45,
    "s": 37.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.3469,
    "c": 0.04377,
    "h": 91.5
  },
  "luminance": 0.04178
}

Semantic roles & 50–950 ramp

primary

#42391E

secondary

#455277

accent

#77CD5A

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090704

muted

#7B7A79

Preview Lab

Preview with #42391E

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

Preview Lab → · Contrast checker → · Palette generator →