#42120A#42120A

#42120A is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.076 H 31.9°. Best body text is #FFFFFF at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#42120A
RGB	rgb(66, 18, 10)
HSL	hsl(9, 74%, 15%)
HSV	hsv(9, 85%, 26%)
CMYK	cmyk(0%, 72.7%, 84.8%, 74.1%)
CIE-LAB	lab(13.31, 22.72, 16.28)
CIE-LCH	lch(13.31, 27.95, 35.63°)
OKLab	oklab(26.13% 0.0648 0.0403)
OKLCH	oklch(26.13% 0.076 31.9)
XYZ	xyz(2.5181, 1.6131, 0.4659)
Luminance	0.0161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42120A #0A3A42

analogous

#420A1E #42120A #422E0A

triadic

#42120A #0A4212 #120A42

tetradic

#42120A #1E420A #0A3A42 #2E0A42

square

#42120A #1E420A #0A3A42 #2E0A42

split-complementary

#42120A #0A422E #0A1E42

monochromatic

#1B0704 #1B0704 #42120A #772012 #AC2F1A

Accessibility & contrast

On white

15.88

#42120A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#42120A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42120A

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42120A	#FFFFFF	#000000	##FFFFFF
##42120A	1.00	15.88	1.32	15.88
#FFFFFF	15.88	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1C09

Deuteranopia (green-blind)

#2B2608

Tritanopia (blue-blind)

#490610

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #42120a;
/* rgb */ color: rgb(66, 18, 10);
/* oklch */ color: oklch(26.1% 0.076 31.9);

Tailwind

colors: {
  custom: {
    50: '#7b534b',
    500: '#42120a',
    950: '#000000',
  },
}

SCSS

$custom: #42120a;
$custom-light: #7b534b;
$custom-dark: #000000;

JSON

{
  "hex": "#42120a",
  "rgb": {
    "r": 66,
    "g": 18,
    "b": 10
  },
  "hsl": {
    "h": 8.571,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.26133,
    "c": 0.0763,
    "h": 31.9
  },
  "luminance": 0.01613
}

Semantic roles & 50–950 ramp

primary

#42120A

secondary

#29737F

accent

#D6F037

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42120A

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

Preview Lab → · Contrast checker → · Palette generator →