#42401D#42401D

#42401D is a dark, muted yellow. Relative luminance 0.049; OKLCH L 36.5% C 0.053 H 105.8°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#42401D
RGB	rgb(66, 64, 29)
HSL	hsl(57, 39%, 19%)
HSV	hsv(57, 56%, 26%)
CMYK	cmyk(0%, 3%, 56.1%, 74.1%)
CIE-LAB	lab(26.49, -4.95, 21.53)
CIE-LCH	lch(26.49, 22.09, 102.95°)
OKLab	oklab(36.46% -0.0144 0.051)
OKLCH	oklch(36.46% 0.053 105.8)
XYZ	xyz(4.3020, 4.9139, 1.8840)
Luminance	0.0491 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42401D #1D1F42

analogous

#422D1D #42401D #31421D

triadic

#42401D #1D4240 #401D42

tetradic

#42401D #1D422D #1D1F42 #421D31

square

#42401D #1D422D #1D1F42 #421D31

split-complementary

#42401D #1D3142 #2D1D42

monochromatic

#151509 #17170A #42401D #6D6930 #979242

Accessibility & contrast

On white

10.59

#42401D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#42401D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42401D

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42401D	#FFFFFF	#000000	##FFFFFF
##42401D	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E1A

Deuteranopia (green-blind)

#463F1F

Tritanopia (blue-blind)

#473C38

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #42401d;
/* rgb */ color: rgb(66, 64, 29);
/* oklch */ color: oklch(36.5% 0.053 105.8);

Tailwind

colors: {
  custom: {
    50: '#77745a',
    500: '#42401d',
    950: '#000000',
  },
}

SCSS

$custom: #42401d;
$custom-light: #77745a;
$custom-dark: #000000;

JSON

{
  "hex": "#42401d",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 29
  },
  "hsl": {
    "h": 56.757,
    "s": 38.947,
    "l": 18.627
  },
  "oklch": {
    "l": 0.36456,
    "c": 0.053,
    "h": 105.8
  },
  "luminance": 0.04914
}

Semantic roles & 50–950 ramp

primary

#42401D

secondary

#444777

accent

#5FCF59

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090804

muted

#7B7B79

Preview Lab

Preview with #42401D

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

Preview Lab → · Contrast checker → · Palette generator →