#42110B#42110B

#42110B is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.0% C 0.077 H 30.1°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#42110B
RGB	rgb(66, 17, 11)
HSL	hsl(7, 71%, 15%)
HSV	hsv(7, 83%, 26%)
CMYK	cmyk(0%, 74.2%, 83.3%, 74.1%)
CIE-LAB	lab(13.13, 23.29, 15.63)
CIE-LCH	lch(13.13, 28.05, 33.86°)
OKLab	oklab(26% 0.0668 0.0387)
OKLCH	oklch(26% 0.077 30.1)
XYZ	xyz(2.5079, 1.5837, 0.4902)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42110B #0B3C42

analogous

#420B21 #42110B #422C0B

triadic

#42110B #0B4211 #110B42

tetradic

#42110B #21420B #0B3C42 #2C0B42

square

#42110B #21420B #0B3C42 #2C0B42

split-complementary

#42110B #0B422C #0B2142

monochromatic

#1A0704 #1A0704 #42110B #761F14 #AB2C1C

Accessibility & contrast

On white

15.95

#42110B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#42110B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42110B

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42110B	#FFFFFF	#000000	##FFFFFF
##42110B	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B0A

Deuteranopia (green-blind)

#2B2609

Tritanopia (blue-blind)

#490510

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #42110b;
/* rgb */ color: rgb(66, 17, 11);
/* oklch */ color: oklch(26.0% 0.077 30.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42110b",
  "rgb": {
    "r": 66,
    "g": 17,
    "b": 11
  },
  "hsl": {
    "h": 6.545,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.26003,
    "c": 0.07722,
    "h": 30.1
  },
  "luminance": 0.01583
}

Semantic roles & 50–950 ramp

primary

#42110B

secondary

#2A757F

accent

#DAEE3A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42110B

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

Preview Lab → · Contrast checker → · Palette generator →