#420A05#420A05

#420A05 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.086 H 30.2°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#420A05
RGB	rgb(66, 10, 5)
HSL	hsl(5, 86%, 14%)
HSV	hsv(5, 92%, 26%)
CMYK	cmyk(0%, 84.8%, 92.4%, 74.1%)
CIE-LAB	lab(11.87, 26.22, 16.38)
CIE-LCH	lch(11.87, 30.91, 31.99°)
OKLab	oklab(25.03% 0.0743 0.0433)
OKLCH	oklch(25.03% 0.086 30.2)
XYZ	xyz(2.3830, 1.3867, 0.2857)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420A05 #053D42

analogous

#42051F #420A05 #422905

triadic

#420A05 #05420A #0A0542

tetradic

#420A05 #1F4205 #053D42 #290542

square

#420A05 #1F4205 #053D42 #290542

split-complementary

#420A05 #054229 #051F42

monochromatic

#1C0402 #1C0402 #420A05 #7B1309 #B41B0E

Accessibility & contrast

On white

16.44

#420A05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#420A05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420A05

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420A05	#FFFFFF	#000000	##FFFFFF
##420A05	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1704

Deuteranopia (green-blind)

#292403

Tritanopia (blue-blind)

#4A0009

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #420a05;
/* rgb */ color: rgb(66, 10, 5);
/* oklch */ color: oklch(25.0% 0.086 30.2);

Tailwind

colors: {
  custom: {
    50: '#7c4e48',
    500: '#420a05',
    950: '#000000',
  },
}

SCSS

$custom: #420a05;
$custom-light: #7c4e48;
$custom-dark: #000000;

JSON

{
  "hex": "#420a05",
  "rgb": {
    "r": 66,
    "g": 10,
    "b": 5
  },
  "hsl": {
    "h": 4.918,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25032,
    "c": 0.08599,
    "h": 30.2
  },
  "luminance": 0.01386
}

Semantic roles & 50–950 ramp

primary

#420A05

secondary

#207A82

accent

#EBFC2C

background

#F8F4F4

surface

#EFE7E6

border

#CAC3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #420A05

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

Preview Lab → · Contrast checker → · Palette generator →