#42151E#42151E

#42151E is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.0% C 0.070 H 10.9°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#42151E
RGB	rgb(66, 21, 30)
HSL	hsl(348, 52%, 17%)
HSV	hsv(348, 68%, 26%)
CMYK	cmyk(0%, 68.2%, 54.5%, 74.1%)
CIE-LAB	lab(14.34, 22.73, 5.13)
CIE-LCH	lch(14.34, 23.30, 12.73°)
OKLab	oklab(27.04% 0.0689 0.0132)
OKLCH	oklch(27.04% 0.07 10.9)
XYZ	xyz(2.7495, 1.7886, 1.4285)
Luminance	0.0179 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42151E #154239

analogous

#421535 #42151E #422315

triadic

#42151E #1E4215 #151E42

tetradic

#42151E #354215 #154239 #231542

square

#42151E #354215 #154239 #231542

split-complementary

#42151E #154223 #153542

monochromatic

#17070B #17070B #42151E #702433 #9F3348

Accessibility & contrast

On white

15.47

#42151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#42151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42151E

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42151E	#FFFFFF	#000000	##FFFFFF
##42151E	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1F1E

Deuteranopia (green-blind)

#2A281D

Tritanopia (blue-blind)

#480F18

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #42151e;
/* rgb */ color: rgb(66, 21, 30);
/* oklch */ color: oklch(27.0% 0.070 10.9);

Tailwind

colors: {
  custom: {
    50: '#795559',
    500: '#42151e',
    950: '#000000',
  },
}

SCSS

$custom: #42151e;
$custom-light: #795559;
$custom-dark: #000000;

JSON

{
  "hex": "#42151e",
  "rgb": {
    "r": 66,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 348,
    "s": 51.724,
    "l": 17.059
  },
  "oklch": {
    "l": 0.2704,
    "c": 0.07014,
    "h": 10.9
  },
  "luminance": 0.01788
}

Semantic roles & 50–950 ramp

primary

#42151E

secondary

#397A6D

accent

#DBBF4D

background

#F7F5F5

surface

#EEE9E9

border

#C9C5C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #42151E

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

Preview Lab → · Contrast checker → · Palette generator →