#42391D#42391D

#42391D is a dark, muted yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.045 H 92.1°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#42391D
RGB	rgb(66, 57, 29)
HSL	hsl(45, 39%, 19%)
HSV	hsv(45, 56%, 26%)
CMYK	cmyk(0%, 13.6%, 56.1%, 74.1%)
CIE-LAB	lab(24.24, -0.51, 18.80)
CIE-LCH	lch(24.24, 18.81, 91.55°)
OKLab	oklab(34.67% -0.0016 0.045)
OKLCH	oklch(34.67% 0.045 92.1)
XYZ	xyz(3.9318, 4.1734, 1.7606)
Luminance	0.0417 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42391D #1D2642

analogous

#42261D #42391D #38421D

triadic

#42391D #1D4239 #391D42

tetradic

#42391D #1D4226 #1D2642 #421D38

square

#42391D #1D4226 #1D2642 #421D38

split-complementary

#42391D #1D3842 #261D42

monochromatic

#151209 #17140A #42391D #6D5E30 #978242

Accessibility & contrast

On white

11.45

#42391D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#42391D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42391D

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42391D	#FFFFFF	#000000	##FFFFFF
##42391D	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E381B

Deuteranopia (green-blind)

#413B1E

Tritanopia (blue-blind)

#473532

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #42391d;
/* rgb */ color: rgb(66, 57, 29);
/* oklch */ color: oklch(34.7% 0.045 92.1);

Tailwind

colors: {
  custom: {
    50: '#776f59',
    500: '#42391d',
    950: '#000000',
  },
}

SCSS

$custom: #42391d;
$custom-light: #776f59;
$custom-dark: #000000;

JSON

{
  "hex": "#42391d",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 29
  },
  "hsl": {
    "h": 45.405,
    "s": 38.947,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34672,
    "c": 0.04502,
    "h": 92.1
  },
  "luminance": 0.04173
}

Semantic roles & 50–950 ramp

primary

#42391D

secondary

#445077

accent

#76CF59

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090703

muted

#7B7A78

Preview Lab

Preview with #42391D

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

Preview Lab → · Contrast checker → · Palette generator →