#42150E#42150E

#42150E is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.7% C 0.072 H 31.1°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#42150E
RGB	rgb(66, 21, 14)
HSL	hsl(8, 65%, 16%)
HSV	hsv(8, 79%, 26%)
CMYK	cmyk(0%, 68.2%, 78.8%, 74.1%)
CIE-LAB	lab(13.98, 21.32, 15.35)
CIE-LCH	lch(13.98, 26.27, 35.76°)
OKLab	oklab(26.66% 0.0614 0.0371)
OKLCH	oklch(26.66% 0.072 31.1)
XYZ	xyz(2.5945, 1.7266, 0.6120)
Luminance	0.0173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42150E #0E3B42

analogous

#420E21 #42150E #422F0E

triadic

#42150E #0E4215 #150E42

tetradic

#42150E #21420E #0E3B42 #2F0E42

square

#42150E #21420E #0E3B42 #2F0E42

split-complementary

#42150E #0E422F #0E2142

monochromatic

#190805 #190805 #42150E #742519 #A73523

Accessibility & contrast

On white

15.61

#42150E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#42150E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42150E

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42150E	#FFFFFF	#000000	##FFFFFF
##42150E	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211D0D

Deuteranopia (green-blind)

#2C270D

Tritanopia (blue-blind)

#490B14

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #42150e;
/* rgb */ color: rgb(66, 21, 14);
/* oklch */ color: oklch(26.7% 0.072 31.1);

Tailwind

colors: {
  custom: {
    50: '#7b544d',
    500: '#42150e',
    950: '#000000',
  },
}

SCSS

$custom: #42150e;
$custom-light: #7b544d;
$custom-dark: #000000;

JSON

{
  "hex": "#42150e",
  "rgb": {
    "r": 66,
    "g": 21,
    "b": 14
  },
  "hsl": {
    "h": 8.077,
    "s": 65,
    "l": 15.686
  },
  "oklch": {
    "l": 0.26658,
    "c": 0.07171,
    "h": 31.1
  },
  "luminance": 0.01726
}

Semantic roles & 50–950 ramp

primary

#42150E

secondary

#2F727D

accent

#D1E840

background

#F7F4F4

surface

#EEE8E7

border

#C9C4C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #42150E

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

Preview Lab → · Contrast checker → · Palette generator →