#421105#421105

#421105 is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.9% C 0.079 H 35.4°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#421105
RGB	rgb(66, 17, 5)
HSL	hsl(12, 86%, 14%)
HSV	hsv(12, 92%, 26%)
CMYK	cmyk(0%, 74.2%, 92.4%, 74.1%)
CIE-LAB	lab(13.05, 22.99, 17.97)
CIE-LCH	lch(13.05, 29.18, 38.02°)
OKLab	oklab(25.92% 0.0643 0.0457)
OKLCH	oklch(25.92% 0.079 35.4)
XYZ	xyz(2.4749, 1.5705, 0.3164)
Luminance	0.0157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421105 #053642

analogous

#420518 #421105 #423005

triadic

#421105 #054211 #110542

tetradic

#421105 #184205 #053642 #300542

square

#421105 #184205 #053642 #300542

split-complementary

#421105 #054230 #051842

monochromatic

#1C0702 #1C0702 #421105 #7B2009 #B42E0E

Accessibility & contrast

On white

15.98

#421105 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#421105 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421105

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421105	#FFFFFF	#000000	##FFFFFF
##421105	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B04

Deuteranopia (green-blind)

#2B2604

Tritanopia (blue-blind)

#4A040F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #421105;
/* rgb */ color: rgb(66, 17, 5);
/* oklch */ color: oklch(25.9% 0.079 35.4);

Tailwind

colors: {
  custom: {
    50: '#7b5249',
    500: '#421105',
    950: '#000000',
  },
}

SCSS

$custom: #421105;
$custom-light: #7b5249;
$custom-dark: #000000;

JSON

{
  "hex": "#421105",
  "rgb": {
    "r": 66,
    "g": 17,
    "b": 5
  },
  "hsl": {
    "h": 11.803,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25916,
    "c": 0.07887,
    "h": 35.4
  },
  "luminance": 0.0157
}

Semantic roles & 50–950 ramp

primary

#421105

secondary

#206F82

accent

#D3FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #421105

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

Preview Lab → · Contrast checker → · Palette generator →