#421006#421006

#421006 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.8% C 0.080 H 33.6°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#421006
RGB	rgb(66, 16, 6)
HSL	hsl(10, 83%, 14%)
HSV	hsv(10, 91%, 26%)
CMYK	cmyk(0%, 75.8%, 90.9%, 74.1%)
CIE-LAB	lab(12.87, 23.55, 17.33)
CIE-LCH	lch(12.87, 29.24, 36.36°)
OKLab	oklab(25.79% 0.0663 0.0441)
OKLCH	oklch(25.79% 0.08 33.6)
XYZ	xyz(2.4652, 1.5423, 0.3402)
Luminance	0.0154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421006 #063842

analogous

#42061A #421006 #422E06

triadic

#421006 #064210 #100642

tetradic

#421006 #1A4206 #063842 #2E0642

square

#421006 #1A4206 #063842 #2E0642

split-complementary

#421006 #06422E #061A42

monochromatic

#1C0703 #1C0703 #421006 #7A1E0B #B22B10

Accessibility & contrast

On white

16.05

#421006 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#421006 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421006

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421006	#FFFFFF	#000000	##FFFFFF
##421006	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1A05

Deuteranopia (green-blind)

#2B2504

Tritanopia (blue-blind)

#4A030E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #421006;
/* rgb */ color: rgb(66, 16, 6);
/* oklch */ color: oklch(25.8% 0.080 33.6);

Tailwind

colors: {
  custom: {
    50: '#7b5149',
    500: '#421006',
    950: '#000000',
  },
}

SCSS

$custom: #421006;
$custom-light: #7b5149;
$custom-dark: #000000;

JSON

{
  "hex": "#421006",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 6
  },
  "hsl": {
    "h": 10,
    "s": 83.333,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25789,
    "c": 0.07962,
    "h": 33.6
  },
  "luminance": 0.01542
}

Semantic roles & 50–950 ramp

primary

#421006

secondary

#227282

accent

#D8FA2E

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #421006

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

Preview Lab → · Contrast checker → · Palette generator →