#420905#420905

#420905 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.087 H 29.6°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#420905
RGB	rgb(66, 9, 5)
HSL	hsl(4, 86%, 14%)
HSV	hsv(4, 92%, 26%)
CMYK	cmyk(0%, 86.4%, 92.4%, 74.1%)
CIE-LAB	lab(11.72, 26.62, 16.18)
CIE-LCH	lch(11.72, 31.15, 31.28°)
OKLab	oklab(24.92% 0.0756 0.043)
OKLCH	oklch(24.92% 0.087 29.6)
XYZ	xyz(2.3721, 1.3650, 0.2821)
Luminance	0.0137 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420905 #053E42

analogous

#420520 #420905 #422805

triadic

#420905 #054209 #090542

tetradic

#420905 #204205 #053E42 #280542

square

#420905 #204205 #053E42 #280542

split-complementary

#420905 #054228 #052042

monochromatic

#1C0402 #1C0402 #420905 #7B1109 #B4190E

Accessibility & contrast

On white

16.50

#420905 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#420905 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420905

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420905	#FFFFFF	#000000	##FFFFFF
##420905	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1704

Deuteranopia (green-blind)

#292303

Tritanopia (blue-blind)

#4A0009

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #420905;
/* rgb */ color: rgb(66, 9, 5);
/* oklch */ color: oklch(24.9% 0.087 29.6);

Tailwind

colors: {
  custom: {
    50: '#7c4e48',
    500: '#420905',
    950: '#000000',
  },
}

SCSS

$custom: #420905;
$custom-light: #7c4e48;
$custom-dark: #000000;

JSON

{
  "hex": "#420905",
  "rgb": {
    "r": 66,
    "g": 9,
    "b": 5
  },
  "hsl": {
    "h": 3.934,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24923,
    "c": 0.08694,
    "h": 29.6
  },
  "luminance": 0.01365
}

Semantic roles & 50–950 ramp

primary

#420905

secondary

#207C82

accent

#EEFC2C

background

#F8F4F4

surface

#EFE7E6

border

#CAC3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #420905

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

Preview Lab → · Contrast checker → · Palette generator →