#420C10#420C10

#420C10 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.082 H 21.4°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#420C10
RGB	rgb(66, 12, 16)
HSL	hsl(356, 69%, 15%)
HSV	hsv(356, 82%, 26%)
CMYK	cmyk(0%, 81.8%, 75.8%, 74.1%)
CIE-LAB	lab(12.35, 25.96, 12.11)
CIE-LCH	lch(12.35, 28.65, 25.00°)
OKLab	oklab(25.44% 0.0765 0.03)
OKLCH	oklch(25.44% 0.082 21.4)
XYZ	xyz(2.4720, 1.4590, 0.6416)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420C10 #0C423E

analogous

#420C2B #420C10 #42230C

triadic

#420C10 #10420C #0C1042

tetradic

#420C10 #2B420C #0C423E #230C42

square

#420C10 #2B420C #0C423E #230C42

split-complementary

#420C10 #0C4223 #0C2B42

monochromatic

#1A0506 #1A0506 #420C10 #76151D #AA1F29

Accessibility & contrast

On white

16.26

#420C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420C10

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420C10	#FFFFFF	#000000	##FFFFFF
##420C10	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1910

Deuteranopia (green-blind)

#29240E

Tritanopia (blue-blind)

#49000E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420c10;
/* rgb */ color: rgb(66, 12, 16);
/* oklch */ color: oklch(25.4% 0.082 21.4);

Tailwind

colors: {
  custom: {
    50: '#7b504e',
    500: '#420c10',
    950: '#000000',
  },
}

SCSS

$custom: #420c10;
$custom-light: #7b504e;
$custom-dark: #000000;

JSON

{
  "hex": "#420c10",
  "rgb": {
    "r": 66,
    "g": 12,
    "b": 16
  },
  "hsl": {
    "h": 355.556,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25442,
    "c": 0.08217,
    "h": 21.4
  },
  "luminance": 0.01459
}

Semantic roles & 50–950 ramp

primary

#420C10

secondary

#2C7E78

accent

#ECDF3C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420C10

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

Preview Lab → · Contrast checker → · Palette generator →