#42180A#42180A

#42180A is a dark, moderate orange. Relative luminance 0.018; OKLCH L 27.1% C 0.069 H 38.5°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#42180A
RGB	rgb(66, 24, 10)
HSL	hsl(15, 74%, 15%)
HSV	hsv(15, 85%, 26%)
CMYK	cmyk(0%, 63.6%, 84.8%, 74.1%)
CIE-LAB	lab(14.59, 19.35, 17.97)
CIE-LCH	lch(14.59, 26.40, 42.87°)
OKLab	oklab(27.1% 0.0544 0.0433)
OKLCH	oklch(27.1% 0.069 38.5)
XYZ	xyz(2.6285, 1.8338, 0.5026)
Luminance	0.0183 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42180A #0A3442

analogous

#420A18 #42180A #42340A

triadic

#42180A #0A4218 #180A42

tetradic

#42180A #18420A #0A3442 #340A42

square

#42180A #18420A #0A3442 #340A42

split-complementary

#42180A #0A4234 #0A1842

monochromatic

#1B0A04 #1B0A04 #42180A #772B12 #AC3F1A

Accessibility & contrast

On white

15.37

#42180A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#42180A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42180A

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42180A	#FFFFFF	#000000	##FFFFFF
##42180A	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#241F08

Deuteranopia (green-blind)

#2E2809

Tritanopia (blue-blind)

#490F15

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #42180a;
/* rgb */ color: rgb(66, 24, 10);
/* oklch */ color: oklch(27.1% 0.069 38.5);

Tailwind

colors: {
  custom: {
    50: '#7b564b',
    500: '#42180a',
    950: '#000000',
  },
}

SCSS

$custom: #42180a;
$custom-light: #7b564b;
$custom-dark: #000000;

JSON

{
  "hex": "#42180a",
  "rgb": {
    "r": 66,
    "g": 24,
    "b": 10
  },
  "hsl": {
    "h": 15,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.271,
    "c": 0.06948,
    "h": 38.5
  },
  "luminance": 0.01833
}

Semantic roles & 50–950 ramp

primary

#42180A

secondary

#296A7F

accent

#C2F037

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #42180A

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

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