#42050D#42050D

#42050D is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.090 H 20.3°. Best body text is #FFFFFF at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#42050D
RGB	rgb(66, 5, 13)
HSL	hsl(352, 86%, 14%)
HSV	hsv(352, 92%, 26%)
CMYK	cmyk(0%, 92.4%, 80.3%, 74.1%)
CIE-LAB	lab(11.25, 28.70, 12.16)
CIE-LCH	lch(11.25, 31.17, 22.96°)
OKLab	oklab(24.61% 0.0845 0.0313)
OKLCH	oklch(24.61% 0.09 20.3)
XYZ	xyz(2.3740, 1.2962, 0.5059)
Luminance	0.0130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42050D #05423A

analogous

#42052C #42050D #421C05

triadic

#42050D #0D4205 #050D42

tetradic

#42050D #2C4205 #05423A #1C0542

square

#42050D #2C4205 #05423A #1C0542

split-complementary

#42050D #05421C #052C42

monochromatic

#1C0206 #1C0206 #42050D #7B0918 #B40E23

Accessibility & contrast

On white

16.68

#42050D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#42050D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42050D

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42050D	#FFFFFF	#000000	##FFFFFF
##42050D	1.00	16.68	1.26	16.68
#FFFFFF	16.68	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18160D

Deuteranopia (green-blind)

#27230B

Tritanopia (blue-blind)

#4A0008

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #42050d;
/* rgb */ color: rgb(66, 5, 13);
/* oklch */ color: oklch(24.6% 0.090 20.3);

Tailwind

colors: {
  custom: {
    50: '#7c4c4c',
    500: '#42050d',
    950: '#000000',
  },
}

SCSS

$custom: #42050d;
$custom-light: #7c4c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#42050d",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 13
  },
  "hsl": {
    "h": 352.131,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24611,
    "c": 0.09009,
    "h": 20.3
  },
  "luminance": 0.01296
}

Semantic roles & 50–950 ramp

primary

#42050D

secondary

#208276

accent

#FCE12C

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #42050D

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

Preview Lab → · Contrast checker → · Palette generator →