#42050F#42050F

#42050F is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.7% C 0.090 H 18.5°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#42050F
RGB	rgb(66, 5, 15)
HSL	hsl(350, 86%, 14%)
HSV	hsv(350, 92%, 26%)
CMYK	cmyk(0%, 92.4%, 77.3%, 74.1%)
CIE-LAB	lab(11.29, 28.81, 11.20)
CIE-LCH	lch(11.29, 30.92, 21.24°)
OKLab	oklab(24.65% 0.0854 0.0285)
OKLCH	oklch(24.65% 0.09 18.5)
XYZ	xyz(2.3875, 1.3017, 0.5774)
Luminance	0.0130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42050F #054238

analogous

#42052E #42050F #421A05

triadic

#42050F #0F4205 #050F42

tetradic

#42050F #2E4205 #054238 #1A0542

square

#42050F #2E4205 #054238 #1A0542

split-complementary

#42050F #05421A #052E42

monochromatic

#1C0206 #1C0206 #42050F #7B091C #B40E29

Accessibility & contrast

On white

16.66

#42050F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#42050F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42050F

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42050F	#FFFFFF	#000000	##FFFFFF
##42050F	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18160F

Deuteranopia (green-blind)

#27230D

Tritanopia (blue-blind)

#490009

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #42050f;
/* rgb */ color: rgb(66, 5, 15);
/* oklch */ color: oklch(24.7% 0.090 18.5);

Tailwind

colors: {
  custom: {
    50: '#7c4c4d',
    500: '#42050f',
    950: '#000000',
  },
}

SCSS

$custom: #42050f;
$custom-light: #7c4c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#42050f",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 15
  },
  "hsl": {
    "h": 350.164,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24651,
    "c": 0.09002,
    "h": 18.5
  },
  "luminance": 0.01301
}

Semantic roles & 50–950 ramp

primary

#42050F

secondary

#208272

accent

#FCDA2C

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #42050F

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

Preview Lab → · Contrast checker → · Palette generator →