#42150D#42150D

#42150D is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.072 H 32.2°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#42150D
RGB	rgb(66, 21, 13)
HSL	hsl(9, 67%, 15%)
HSV	hsv(9, 80%, 26%)
CMYK	cmyk(0%, 68.2%, 80.3%, 74.1%)
CIE-LAB	lab(13.97, 21.25, 15.82)
CIE-LCH	lch(13.97, 26.50, 36.67°)
OKLab	oklab(26.64% 0.0609 0.0383)
OKLCH	oklch(26.64% 0.072 32.2)
XYZ	xyz(2.5878, 1.7240, 0.5772)
Luminance	0.0172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42150D #0D3A42

analogous

#420D1F #42150D #422F0D

triadic

#42150D #0D4215 #150D42

tetradic

#42150D #1F420D #0D3A42 #2F0D42

square

#42150D #1F420D #0D3A42 #2F0D42

split-complementary

#42150D #0D422F #0D1F42

monochromatic

#1A0805 #1A0805 #42150D #752517 #A83621

Accessibility & contrast

On white

15.62

#42150D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#42150D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42150D

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42150D	#FFFFFF	#000000	##FFFFFF
##42150D	1.00	15.62	1.34	15.62
#FFFFFF	15.62	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211D0C

Deuteranopia (green-blind)

#2C270C

Tritanopia (blue-blind)

#490B13

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #42150d;
/* rgb */ color: rgb(66, 21, 13);
/* oklch */ color: oklch(26.6% 0.072 32.2);

Tailwind

colors: {
  custom: {
    50: '#7b544c',
    500: '#42150d',
    950: '#000000',
  },
}

SCSS

$custom: #42150d;
$custom-light: #7b544c;
$custom-dark: #000000;

JSON

{
  "hex": "#42150d",
  "rgb": {
    "r": 66,
    "g": 21,
    "b": 13
  },
  "hsl": {
    "h": 9.057,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.26642,
    "c": 0.07198,
    "h": 32.2
  },
  "luminance": 0.01724
}

Semantic roles & 50–950 ramp

primary

#42150D

secondary

#2D717E

accent

#D0EA3E

background

#F7F4F4

surface

#EEE8E7

border

#C9C4C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #42150D

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

Preview Lab → · Contrast checker → · Palette generator →