#42130A#42130A

#42130A is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.3% C 0.075 H 32.8°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#42130A
RGB	rgb(66, 19, 10)
HSL	hsl(10, 74%, 15%)
HSV	hsv(10, 85%, 26%)
CMYK	cmyk(0%, 71.2%, 84.8%, 74.1%)
CIE-LAB	lab(13.51, 22.19, 16.55)
CIE-LCH	lch(13.51, 27.68, 36.72°)
OKLab	oklab(26.28% 0.0631 0.0408)
OKLCH	oklch(26.28% 0.075 32.8)
XYZ	xyz(2.5347, 1.6463, 0.4714)
Luminance	0.0165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42130A #0A3942

analogous

#420A1D #42130A #422F0A

triadic

#42130A #0A4213 #130A42

tetradic

#42130A #1D420A #0A3942 #2F0A42

square

#42130A #1D420A #0A3942 #2F0A42

split-complementary

#42130A #0A422F #0A1D42

monochromatic

#1B0804 #1B0804 #42130A #772212 #AC321A

Accessibility & contrast

On white

15.80

#42130A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#42130A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42130A

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42130A	#FFFFFF	#000000	##FFFFFF
##42130A	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C09

Deuteranopia (green-blind)

#2C2608

Tritanopia (blue-blind)

#490711

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #42130a;
/* rgb */ color: rgb(66, 19, 10);
/* oklch */ color: oklch(26.3% 0.075 32.8);

Tailwind

colors: {
  custom: {
    50: '#7b534b',
    500: '#42130a',
    950: '#000000',
  },
}

SCSS

$custom: #42130a;
$custom-light: #7b534b;
$custom-dark: #000000;

JSON

{
  "hex": "#42130a",
  "rgb": {
    "r": 66,
    "g": 19,
    "b": 10
  },
  "hsl": {
    "h": 9.643,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.26283,
    "c": 0.07515,
    "h": 32.8
  },
  "luminance": 0.01646
}

Semantic roles & 50–950 ramp

primary

#42130A

secondary

#29717F

accent

#D3F037

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42130A

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

Preview Lab → · Contrast checker → · Palette generator →