#42150C#42150C

#42150C is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.072 H 33.1°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#42150C
RGB	rgb(66, 21, 12)
HSL	hsl(10, 69%, 15%)
HSV	hsv(10, 82%, 26%)
CMYK	cmyk(0%, 68.2%, 81.8%, 74.1%)
CIE-LAB	lab(13.95, 21.19, 16.27)
CIE-LCH	lch(13.95, 26.72, 37.52°)
OKLab	oklab(26.63% 0.0605 0.0395)
OKLCH	oklch(26.63% 0.072 33.1)
XYZ	xyz(2.5816, 1.7215, 0.5441)
Luminance	0.0172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42150C #0C3942

analogous

#420C1E #42150C #42300C

triadic

#42150C #0C4215 #150C42

tetradic

#42150C #1E420C #0C3942 #300C42

square

#42150C #1E420C #0C3942 #300C42

split-complementary

#42150C #0C4230 #0C1E42

monochromatic

#1A0805 #1A0805 #42150C #762515 #AA361F

Accessibility & contrast

On white

15.62

#42150C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#42150C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42150C

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42150C	#FFFFFF	#000000	##FFFFFF
##42150C	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)

#211D0B

Deuteranopia (green-blind)

#2C270B

Tritanopia (blue-blind)

#490B13

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #42150c;
/* rgb */ color: rgb(66, 21, 12);
/* oklch */ color: oklch(26.6% 0.072 33.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42150c",
  "rgb": {
    "r": 66,
    "g": 21,
    "b": 12
  },
  "hsl": {
    "h": 10,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26626,
    "c": 0.07227,
    "h": 33.1
  },
  "luminance": 0.01721
}

Semantic roles & 50–950 ramp

primary

#42150C

secondary

#2C707E

accent

#CFEC3C

background

#F7F4F4

surface

#EEE8E7

border

#C9C4C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #42150C

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

Preview Lab → · Contrast checker → · Palette generator →