#B42917#B42917

#B42917 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.178 H 31.0°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B42917
RGB	rgb(180, 41, 23)
HSL	hsl(7, 77%, 40%)
HSV	hsv(7, 87%, 71%)
CMYK	cmyk(0%, 77.2%, 87.2%, 29.4%)
CIE-LAB	lab(40.17, 54.15, 44.42)
CIE-LCH	lch(40.17, 70.04, 39.37°)
OKLab	oklab(50.5% 0.1526 0.0916)
OKLCH	oklch(50.5% 0.178 31)
XYZ	xyz(19.7725, 11.3542, 1.9609)
Luminance	0.1135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42917 #17A2B4

analogous

#B41754 #B42917 #B47817

triadic

#B42917 #17B429 #2917B4

tetradic

#B42917 #54B417 #17A2B4 #7817B4

square

#B42917 #54B417 #17A2B4 #7817B4

split-complementary

#B42917 #17B478 #1754B4

monochromatic

#471009 #7E1D10 #B42917 #E33B25 #EA6C5B

Accessibility & contrast

On white

6.42

#B42917 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B42917 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42917

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42917	#FFFFFF	#000000	##FFFFFF
##B42917	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B12

Deuteranopia (green-blind)

#776A0D

Tritanopia (blue-blind)

#C70027

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42917;
/* rgb */ color: rgb(180, 41, 23);
/* oklch */ color: oklch(50.5% 0.178 31.0);

Tailwind

colors: {
  custom: {
    50: '#d56f57',
    500: '#b42917',
    950: '#000000',
  },
}

SCSS

$custom: #b42917;
$custom-light: #d56f57;
$custom-dark: #000000;

JSON

{
  "hex": "#b42917",
  "rgb": {
    "r": 180,
    "g": 41,
    "b": 23
  },
  "hsl": {
    "h": 6.879,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50503,
    "c": 0.17796,
    "h": 31
  },
  "luminance": 0.11351
}

Semantic roles & 50–950 ramp

primary

#B42917

secondary

#59C0CE

accent

#DEF434

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42917

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

Preview Lab → · Contrast checker → · Palette generator →