#42151A#42151A

#42151A is a dark, moderate red. Relative luminance 0.018; OKLCH L 26.9% C 0.070 H 16.4°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#42151A
RGB	rgb(66, 21, 26)
HSL	hsl(353, 52%, 17%)
HSV	hsv(353, 68%, 26%)
CMYK	cmyk(0%, 68.2%, 60.6%, 74.1%)
CIE-LAB	lab(14.23, 22.30, 7.90)
CIE-LCH	lch(14.23, 23.66, 19.51°)
OKLab	oklab(26.92% 0.067 0.0198)
OKLCH	oklch(26.92% 0.07 16.4)
XYZ	xyz(2.7016, 1.7695, 1.1764)
Luminance	0.0177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42151A #15423D

analogous

#421531 #42151A #422715

triadic

#42151A #1A4215 #151A42

tetradic

#42151A #314215 #15423D #271542

square

#42151A #314215 #15423D #271542

split-complementary

#42151A #154227 #153142

monochromatic

#170709 #170709 #42151A #70242C #9F333F

Accessibility & contrast

On white

15.51

#42151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#42151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42151A

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42151A	#FFFFFF	#000000	##FFFFFF
##42151A	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201E1A

Deuteranopia (green-blind)

#2B2819

Tritanopia (blue-blind)

#490E17

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #42151a;
/* rgb */ color: rgb(66, 21, 26);
/* oklch */ color: oklch(26.9% 0.070 16.4);

Tailwind

colors: {
  custom: {
    50: '#7a5556',
    500: '#42151a',
    950: '#000000',
  },
}

SCSS

$custom: #42151a;
$custom-light: #7a5556;
$custom-dark: #000000;

JSON

{
  "hex": "#42151a",
  "rgb": {
    "r": 66,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 353.333,
    "s": 51.724,
    "l": 17.059
  },
  "oklch": {
    "l": 0.26923,
    "c": 0.06984,
    "h": 16.4
  },
  "luminance": 0.01769
}

Semantic roles & 50–950 ramp

primary

#42151A

secondary

#397A73

accent

#DBCB4D

background

#F7F5F5

surface

#EEE8E9

border

#C9C4C5

text

#0A0303

muted

#7C7878

Preview Lab

Preview with #42151A

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

Preview Lab → · Contrast checker → · Palette generator →