#42441B#42441B

#42441B is a dark, moderate yellow. Relative luminance 0.054; OKLCH L 37.5% C 0.061 H 111.5°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#42441B
RGB	rgb(66, 68, 27)
HSL	hsl(63, 43%, 19%)
HSV	hsv(63, 60%, 27%)
CMYK	cmyk(2.9%, 0%, 60.3%, 73.3%)
CIE-LAB	lab(27.77, -7.62, 24.18)
CIE-LCH	lch(27.77, 25.35, 107.49°)
OKLab	oklab(37.47% -0.0223 0.0565)
OKLCH	oklch(37.47% 0.061 111.5)
XYZ	xyz(4.5118, 5.3717, 1.8359)
Luminance	0.0537 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42441B #1D1B44

analogous

#44311B #42441B #2D441B

triadic

#42441B #1B4244 #441B42

tetradic

#42441B #1B4431 #1D1B44 #441B2D

square

#42441B #1B4431 #1D1B44 #441B2D

split-complementary

#42441B #1B2D44 #311B44

monochromatic

#151609 #17180A #42441B #6D702C #979C3E

Accessibility & contrast

On white

10.12

#42441B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#42441B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42441B

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42441B	#FFFFFF	#000000	##FFFFFF
##42441B	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494117

Deuteranopia (green-blind)

#49421D

Tritanopia (blue-blind)

#46403B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #42441b;
/* rgb */ color: rgb(66, 68, 27);
/* oklch */ color: oklch(37.5% 0.061 111.5);

Tailwind

colors: {
  custom: {
    50: '#787759',
    500: '#42441b',
    950: '#000000',
  },
}

SCSS

$custom: #42441b;
$custom-light: #787759;
$custom-dark: #000000;

JSON

{
  "hex": "#42441b",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 27
  },
  "hsl": {
    "h": 62.927,
    "s": 43.158,
    "l": 18.627
  },
  "oklch": {
    "l": 0.37467,
    "c": 0.06077,
    "h": 111.5
  },
  "luminance": 0.05372
}

Semantic roles & 50–950 ramp

primary

#42441B

secondary

#44417A

accent

#55D35B

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #42441B

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

Preview Lab → · Contrast checker → · Palette generator →