#42110A#42110A

#42110A is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.0% C 0.077 H 31.0°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#42110A
RGB	rgb(66, 17, 10)
HSL	hsl(8, 74%, 15%)
HSV	hsv(8, 85%, 26%)
CMYK	cmyk(0%, 74.2%, 84.8%, 74.1%)
CIE-LAB	lab(13.12, 23.24, 16.03)
CIE-LCH	lch(13.12, 28.23, 34.59°)
OKLab	oklab(25.99% 0.0664 0.0398)
OKLCH	oklch(25.99% 0.077 31)
XYZ	xyz(2.5023, 1.5814, 0.4606)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42110A #0A3B42

analogous

#420A1F #42110A #422D0A

triadic

#42110A #0A4211 #110A42

tetradic

#42110A #1F420A #0A3B42 #2D0A42

square

#42110A #1F420A #0A3B42 #2D0A42

split-complementary

#42110A #0A422D #0A1F42

monochromatic

#1B0704 #1B0704 #42110A #771F12 #AC2C1A

Accessibility & contrast

On white

15.96

#42110A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#42110A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42110A

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42110A	#FFFFFF	#000000	##FFFFFF
##42110A	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B09

Deuteranopia (green-blind)

#2B2608

Tritanopia (blue-blind)

#490510

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #42110a;
/* rgb */ color: rgb(66, 17, 10);
/* oklch */ color: oklch(26.0% 0.077 31.0);

Tailwind

colors: {
  custom: {
    50: '#7b524b',
    500: '#42110a',
    950: '#000000',
  },
}

SCSS

$custom: #42110a;
$custom-light: #7b524b;
$custom-dark: #000000;

JSON

{
  "hex": "#42110a",
  "rgb": {
    "r": 66,
    "g": 17,
    "b": 10
  },
  "hsl": {
    "h": 7.5,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25988,
    "c": 0.07745,
    "h": 31
  },
  "luminance": 0.01581
}

Semantic roles & 50–950 ramp

primary

#42110A

secondary

#29747F

accent

#D9F037

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42110A

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

Preview Lab → · Contrast checker → · Palette generator →