#B42E17#B42E17

#B42E17 is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.174 H 32.2°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B42E17
RGB	rgb(180, 46, 23)
HSL	hsl(9, 77%, 40%)
HSV	hsv(9, 87%, 71%)
CMYK	cmyk(0%, 74.4%, 87.2%, 29.4%)
CIE-LAB	lab(40.77, 52.48, 44.92)
CIE-LCH	lch(40.77, 69.07, 40.56°)
OKLab	oklab(50.95% 0.1474 0.0927)
OKLCH	oklch(50.95% 0.174 32.2)
XYZ	xyz(19.9565, 11.7223, 2.0223)
Luminance	0.1172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E17 #179DB4

analogous

#B4174E #B42E17 #B47D17

triadic

#B42E17 #17B42E #2E17B4

tetradic

#B42E17 #4EB417 #179DB4 #7D17B4

square

#B42E17 #4EB417 #179DB4 #7D17B4

split-complementary

#B42E17 #17B47D #174EB4

monochromatic

#471209 #7E2010 #B42E17 #E34125 #EA705B

Accessibility & contrast

On white

6.28

#B42E17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B42E17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E17

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E17	#FFFFFF	#000000	##FFFFFF
##B42E17	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D12

Deuteranopia (green-blind)

#786B0D

Tritanopia (blue-blind)

#C7002B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42e17;
/* rgb */ color: rgb(180, 46, 23);
/* oklch */ color: oklch(51.0% 0.174 32.2);

Tailwind

colors: {
  custom: {
    50: '#d47158',
    500: '#b42e17',
    950: '#000000',
  },
}

SCSS

$custom: #b42e17;
$custom-light: #d47158;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e17",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 23
  },
  "hsl": {
    "h": 8.79,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50951,
    "c": 0.17415,
    "h": 32.2
  },
  "luminance": 0.11719
}

Semantic roles & 50–950 ramp

primary

#B42E17

secondary

#59BDCE

accent

#D8F434

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42E17

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

Preview Lab → · Contrast checker → · Palette generator →