#42121E#42121E

#42121E is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.075 H 8.6°. Best body text is #FFFFFF at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#42121E
RGB	rgb(66, 18, 30)
HSL	hsl(345, 57%, 16%)
HSV	hsv(345, 73%, 26%)
CMYK	cmyk(0%, 72.7%, 54.5%, 74.1%)
CIE-LAB	lab(13.74, 24.33, 4.29)
CIE-LCH	lch(13.74, 24.71, 10.01°)
OKLab	oklab(26.59% 0.074 0.0111)
OKLCH	oklch(26.59% 0.075 8.6)
XYZ	xyz(2.6976, 1.6849, 1.4112)
Luminance	0.0169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42121E #124236

analogous

#421236 #42121E #421E12

triadic

#42121E #1E4212 #121E42

tetradic

#42121E #364212 #124236 #1E1242

square

#42121E #364212 #124236 #1E1242

split-complementary

#42121E #12421E #123642

monochromatic

#18070B #18070B #42121E #721F34 #A22C4A

Accessibility & contrast

On white

15.71

#42121E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#42121E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42121E

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42121E	#FFFFFF	#000000	##FFFFFF
##42121E	1.00	15.71	1.34	15.71
#FFFFFF	15.71	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1D1E

Deuteranopia (green-blind)

#29271D

Tritanopia (blue-blind)

#480B17

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #42121e;
/* rgb */ color: rgb(66, 18, 30);
/* oklch */ color: oklch(26.6% 0.075 8.6);

Tailwind

colors: {
  custom: {
    50: '#7a5359',
    500: '#42121e',
    950: '#000000',
  },
}

SCSS

$custom: #42121e;
$custom-light: #7a5359;
$custom-dark: #000000;

JSON

{
  "hex": "#42121e",
  "rgb": {
    "r": 66,
    "g": 18,
    "b": 30
  },
  "hsl": {
    "h": 345,
    "s": 57.143,
    "l": 16.471
  },
  "oklch": {
    "l": 0.26593,
    "c": 0.07479,
    "h": 8.6
  },
  "luminance": 0.01685
}

Semantic roles & 50–950 ramp

primary

#42121E

secondary

#357B69

accent

#E0BA47

background

#F7F4F5

surface

#EEE7E9

border

#C9C3C5

text

#090203

muted

#7B7878

Preview Lab

Preview with #42121E

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

Preview Lab → · Contrast checker → · Palette generator →