#42440A#42440A

#42440A is a dark, moderate yellow. Relative luminance 0.053; OKLCH L 37.3% C 0.076 H 111.6°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#42440A
RGB	rgb(66, 68, 10)
HSL	hsl(62, 74%, 15%)
HSV	hsv(62, 85%, 27%)
CMYK	cmyk(2.9%, 0%, 85.3%, 73.3%)
CIE-LAB	lab(27.61, -8.88, 32.19)
CIE-LCH	lch(27.61, 33.39, 105.42°)
OKLab	oklab(37.29% -0.0279 0.0705)
OKLCH	oklch(37.29% 0.076 111.6)
XYZ	xyz(4.3688, 5.3145, 1.0828)
Luminance	0.0531 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42440A #0C0A44

analogous

#44290A #42440A #25440A

triadic

#42440A #0A4244 #440A42

tetradic

#42440A #0A4429 #0C0A44 #440A25

square

#42440A #0A4429 #0C0A44 #440A25

split-complementary

#42440A #0A2544 #290A44

monochromatic

#1A1B04 #1A1B04 #42440A #767912 #AAAF1A

Accessibility & contrast

On white

10.18

#42440A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#42440A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42440A

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42440A	#FFFFFF	#000000	##FFFFFF
##42440A	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4001

Deuteranopia (green-blind)

#4A420F

Tritanopia (blue-blind)

#473F39

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #42440a;
/* rgb */ color: rgb(66, 68, 10);
/* oklch */ color: oklch(37.3% 0.076 111.6);

Tailwind

colors: {
  custom: {
    50: '#79774f',
    500: '#42440a',
    950: '#000000',
  },
}

SCSS

$custom: #42440a;
$custom-light: #79774f;
$custom-dark: #000000;

JSON

{
  "hex": "#42440a",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 10
  },
  "hsl": {
    "h": 62.069,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.37293,
    "c": 0.07579,
    "h": 111.6
  },
  "luminance": 0.05314
}

Semantic roles & 50–950 ramp

primary

#42440A

secondary

#2C2981

accent

#37F13D

background

#F7F7F4

surface

#EEEDE7

border

#C9C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42440A

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

Preview Lab → · Contrast checker → · Palette generator →