#421005#421005

#421005 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.8% C 0.080 H 34.5°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#421005
RGB	rgb(66, 16, 5)
HSL	hsl(11, 86%, 14%)
HSV	hsv(11, 92%, 26%)
CMYK	cmyk(0%, 75.8%, 92.4%, 74.1%)
CIE-LAB	lab(12.86, 23.49, 17.72)
CIE-LCH	lch(12.86, 29.43, 37.03°)
OKLab	oklab(25.78% 0.0659 0.0453)
OKLCH	oklch(25.78% 0.08 34.5)
XYZ	xyz(2.4597, 1.5402, 0.3113)
Luminance	0.0154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421005 #053742

analogous

#420519 #421005 #422F05

triadic

#421005 #054210 #100542

tetradic

#421005 #194205 #053742 #2F0542

square

#421005 #194205 #053742 #2F0542

split-complementary

#421005 #05422F #051942

monochromatic

#1C0702 #1C0702 #421005 #7B1E09 #B42C0E

Accessibility & contrast

On white

16.06

#421005 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#421005 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421005

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421005	#FFFFFF	#000000	##FFFFFF
##421005	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1A04

Deuteranopia (green-blind)

#2B2503

Tritanopia (blue-blind)

#4A030E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #421005;
/* rgb */ color: rgb(66, 16, 5);
/* oklch */ color: oklch(25.8% 0.080 34.5);

Tailwind

colors: {
  custom: {
    50: '#7b5149',
    500: '#421005',
    950: '#000000',
  },
}

SCSS

$custom: #421005;
$custom-light: #7b5149;
$custom-dark: #000000;

JSON

{
  "hex": "#421005",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 5
  },
  "hsl": {
    "h": 10.82,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25775,
    "c": 0.07994,
    "h": 34.5
  },
  "luminance": 0.0154
}

Semantic roles & 50–950 ramp

primary

#421005

secondary

#207182

accent

#D7FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #421005

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

Preview Lab → · Contrast checker → · Palette generator →