#B42417#B42417

#B42417 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.181 H 29.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B42417
RGB	rgb(180, 36, 23)
HSL	hsl(5, 77%, 40%)
HSV	hsv(5, 87%, 71%)
CMYK	cmyk(0%, 80%, 87.2%, 29.4%)
CIE-LAB	lab(39.63, 55.66, 43.98)
CIE-LCH	lch(39.63, 70.94, 38.31°)
OKLab	oklab(50.1% 0.1573 0.0905)
OKLCH	oklch(50.1% 0.181 29.9)
XYZ	xyz(19.6104, 11.0301, 1.9069)
Luminance	0.1103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42417 #17A7B4

analogous

#B41759 #B42417 #B47217

triadic

#B42417 #17B424 #2417B4

tetradic

#B42417 #59B417 #17A7B4 #7217B4

square

#B42417 #59B417 #17A7B4 #7217B4

split-complementary

#B42417 #17B472 #1759B4

monochromatic

#470E09 #7E1910 #B42417 #E33525 #EA675B

Accessibility & contrast

On white

6.55

#B42417 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B42417 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42417

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42417	#FFFFFF	#000000	##FFFFFF
##B42417	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534913

Deuteranopia (green-blind)

#76690C

Tritanopia (blue-blind)

#C70023

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b42417;
/* rgb */ color: rgb(180, 36, 23);
/* oklch */ color: oklch(50.1% 0.181 29.9);

Tailwind

colors: {
  custom: {
    50: '#d56d57',
    500: '#b42417',
    950: '#000000',
  },
}

SCSS

$custom: #b42417;
$custom-light: #d56d57;
$custom-dark: #000000;

JSON

{
  "hex": "#b42417",
  "rgb": {
    "r": 180,
    "g": 36,
    "b": 23
  },
  "hsl": {
    "h": 4.968,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50101,
    "c": 0.18149,
    "h": 29.9
  },
  "luminance": 0.11027
}

Semantic roles & 50–950 ramp

primary

#B42417

secondary

#59C4CE

accent

#E4F434

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42417

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

Preview Lab → · Contrast checker → · Palette generator →