#421009#421009

#421009 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.8% C 0.079 H 31.0°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#421009
RGB	rgb(66, 16, 9)
HSL	hsl(7, 76%, 15%)
HSV	hsv(7, 86%, 26%)
CMYK	cmyk(0%, 75.8%, 86.4%, 74.1%)
CIE-LAB	lab(12.92, 23.70, 16.16)
CIE-LCH	lch(12.92, 28.68, 34.30°)
OKLab	oklab(25.83% 0.0676 0.0405)
OKLCH	oklch(25.83% 0.079 31)
XYZ	xyz(2.4816, 1.5489, 0.4267)
Luminance	0.0155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421009 #093B42

analogous

#42091F #421009 #422C09

triadic

#421009 #094210 #100942

tetradic

#421009 #1F4209 #093B42 #2C0942

square

#421009 #1F4209 #093B42 #2C0942

split-complementary

#421009 #09422C #091F42

monochromatic

#1B0704 #1B0704 #421009 #781D10 #AE2A18

Accessibility & contrast

On white

16.03

#421009 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#421009 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421009

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421009	#FFFFFF	#000000	##FFFFFF
##421009	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A08

Deuteranopia (green-blind)

#2B2507

Tritanopia (blue-blind)

#49030F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #421009;
/* rgb */ color: rgb(66, 16, 9);
/* oklch */ color: oklch(25.8% 0.079 31.0);

Tailwind

colors: {
  custom: {
    50: '#7b514a',
    500: '#421009',
    950: '#000000',
  },
}

SCSS

$custom: #421009;
$custom-light: #7b514a;
$custom-dark: #000000;

JSON

{
  "hex": "#421009",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 9
  },
  "hsl": {
    "h": 7.368,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25833,
    "c": 0.07882,
    "h": 31
  },
  "luminance": 0.01549
}

Semantic roles & 50–950 ramp

primary

#421009

secondary

#277580

accent

#DBF335

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #421009

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

Preview Lab → · Contrast checker → · Palette generator →