#B42517#B42517

#B42517 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.181 H 30.1°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B42517
RGB	rgb(180, 37, 23)
HSL	hsl(5, 77%, 40%)
HSV	hsv(5, 87%, 71%)
CMYK	cmyk(0%, 79.4%, 87.2%, 29.4%)
CIE-LAB	lab(39.73, 55.37, 44.06)
CIE-LCH	lch(39.73, 70.76, 38.51°)
OKLab	oklab(50.18% 0.1564 0.0907)
OKLCH	oklch(50.18% 0.181 30.1)
XYZ	xyz(19.6411, 11.0915, 1.9172)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42517 #17A6B4

analogous

#B41758 #B42517 #B47317

triadic

#B42517 #17B425 #2517B4

tetradic

#B42517 #58B417 #17A6B4 #7317B4

square

#B42517 #58B417 #17A6B4 #7317B4

split-complementary

#B42517 #17B473 #1758B4

monochromatic

#470F09 #7E1A10 #B42517 #E33625 #EA685B

Accessibility & contrast

On white

6.53

#B42517 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B42517 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42517

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42517	#FFFFFF	#000000	##FFFFFF
##B42517	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A13

Deuteranopia (green-blind)

#76690C

Tritanopia (blue-blind)

#C70024

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42517;
/* rgb */ color: rgb(180, 37, 23);
/* oklch */ color: oklch(50.2% 0.181 30.1);

Tailwind

colors: {
  custom: {
    50: '#d56d57',
    500: '#b42517',
    950: '#000000',
  },
}

SCSS

$custom: #b42517;
$custom-light: #d56d57;
$custom-dark: #000000;

JSON

{
  "hex": "#b42517",
  "rgb": {
    "r": 180,
    "g": 37,
    "b": 23
  },
  "hsl": {
    "h": 5.35,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50178,
    "c": 0.18081,
    "h": 30.1
  },
  "luminance": 0.11088
}

Semantic roles & 50–950 ramp

primary

#B42517

secondary

#59C3CE

accent

#E3F434

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42517

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

Preview Lab → · Contrast checker → · Palette generator →