#420F05#420F05

#420F05 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.081 H 33.7°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#420F05
RGB	rgb(66, 15, 5)
HSL	hsl(10, 86%, 14%)
HSV	hsv(10, 92%, 26%)
CMYK	cmyk(0%, 77.3%, 92.4%, 74.1%)
CIE-LAB	lab(12.68, 23.99, 17.48)
CIE-LCH	lch(12.68, 29.68, 36.07°)
OKLab	oklab(25.64% 0.0674 0.0449)
OKLCH	oklch(25.64% 0.081 33.7)
XYZ	xyz(2.4453, 1.5112, 0.3065)
Luminance	0.0151 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F05 #053842

analogous

#42051A #420F05 #422E05

triadic

#420F05 #05420F #0F0542

tetradic

#420F05 #1A4205 #053842 #2E0542

square

#420F05 #1A4205 #053842 #2E0542

split-complementary

#420F05 #05422E #051A42

monochromatic

#1C0602 #1C0602 #420F05 #7B1C09 #B4290E

Accessibility & contrast

On white

16.13

#420F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#420F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F05

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F05	#FFFFFF	#000000	##FFFFFF
##420F05	1.00	16.13	1.30	16.13
#FFFFFF	16.13	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A04

Deuteranopia (green-blind)

#2B2503

Tritanopia (blue-blind)

#4A010D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #420f05;
/* rgb */ color: rgb(66, 15, 5);
/* oklch */ color: oklch(25.6% 0.081 33.7);

Tailwind

colors: {
  custom: {
    50: '#7c5149',
    500: '#420f05',
    950: '#000000',
  },
}

SCSS

$custom: #420f05;
$custom-light: #7c5149;
$custom-dark: #000000;

JSON

{
  "hex": "#420f05",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 5
  },
  "hsl": {
    "h": 9.836,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25638,
    "c": 0.08099,
    "h": 33.7
  },
  "luminance": 0.01511
}

Semantic roles & 50–950 ramp

primary

#420F05

secondary

#207282

accent

#DAFC2C

background

#F8F4F4

surface

#EFE7E6

border

#CAC3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #420F05

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

Preview Lab → · Contrast checker → · Palette generator →