#421109#421109

#421109 is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.0% C 0.078 H 31.8°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#421109
RGB	rgb(66, 17, 9)
HSL	hsl(8, 76%, 15%)
HSV	hsv(8, 86%, 26%)
CMYK	cmyk(0%, 74.2%, 86.4%, 74.1%)
CIE-LAB	lab(13.10, 23.19, 16.42)
CIE-LCH	lch(13.10, 28.41, 35.29°)
OKLab	oklab(25.97% 0.066 0.041)
OKLCH	oklch(25.97% 0.078 31.8)
XYZ	xyz(2.4968, 1.5792, 0.4317)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421109 #093A42

analogous

#42091E #421109 #422E09

triadic

#421109 #094211 #110942

tetradic

#421109 #1E4209 #093A42 #2E0942

square

#421109 #1E4209 #093A42 #2E0942

split-complementary

#421109 #09422E #091E42

monochromatic

#1B0704 #1B0704 #421109 #781F10 #AE2D18

Accessibility & contrast

On white

15.96

#421109 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#421109 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421109

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421109	#FFFFFF	#000000	##FFFFFF
##421109	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B08

Deuteranopia (green-blind)

#2B2607

Tritanopia (blue-blind)

#49040F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #421109;
/* rgb */ color: rgb(66, 17, 9);
/* oklch */ color: oklch(26.0% 0.078 31.8);

Tailwind

colors: {
  custom: {
    50: '#7b524a',
    500: '#421109',
    950: '#000000',
  },
}

SCSS

$custom: #421109;
$custom-light: #7b524a;
$custom-dark: #000000;

JSON

{
  "hex": "#421109",
  "rgb": {
    "r": 66,
    "g": 17,
    "b": 9
  },
  "hsl": {
    "h": 8.421,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25974,
    "c": 0.07769,
    "h": 31.8
  },
  "luminance": 0.01579
}

Semantic roles & 50–950 ramp

primary

#421109

secondary

#277380

accent

#D8F335

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #421109

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

Preview Lab → · Contrast checker → · Palette generator →