#B42815#B42815

#B42815 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.179 H 31.1°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B42815
RGB	rgb(180, 40, 21)
HSL	hsl(7, 79%, 39%)
HSV	hsv(7, 88%, 71%)
CMYK	cmyk(0%, 77.8%, 88.3%, 29.4%)
CIE-LAB	lab(40.05, 54.42, 45.23)
CIE-LCH	lch(40.05, 70.76, 39.73°)
OKLab	oklab(50.41% 0.1531 0.0925)
OKLCH	oklch(50.41% 0.179 31.1)
XYZ	xyz(19.7190, 11.2782, 1.8480)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42815 #15A1B4

analogous

#B41552 #B42815 #B47815

triadic

#B42815 #15B428 #2815B4

tetradic

#B42815 #52B415 #15A1B4 #7815B4

square

#B42815 #52B415 #15A1B4 #7815B4

split-complementary

#B42815 #15B478 #1552B4

monochromatic

#461008 #7D1C0F #B42815 #E53921 #EC6A58

Accessibility & contrast

On white

6.45

#B42815 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B42815 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42815

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42815	#FFFFFF	#000000	##FFFFFF
##B42815	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B10

Deuteranopia (green-blind)

#776909

Tritanopia (blue-blind)

#C70026

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42815;
/* rgb */ color: rgb(180, 40, 21);
/* oklch */ color: oklch(50.4% 0.179 31.1);

Tailwind

colors: {
  custom: {
    50: '#d56e56',
    500: '#b42815',
    950: '#000000',
  },
}

SCSS

$custom: #b42815;
$custom-light: #d56e56;
$custom-dark: #000000;

JSON

{
  "hex": "#b42815",
  "rgb": {
    "r": 180,
    "g": 40,
    "b": 21
  },
  "hsl": {
    "h": 7.17,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50405,
    "c": 0.17892,
    "h": 31.1
  },
  "luminance": 0.11275
}

Semantic roles & 50–950 ramp

primary

#B42815

secondary

#56C0CF

accent

#DEF632

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42815

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

Preview Lab → · Contrast checker → · Palette generator →