#B42515#B42515

#B42515 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.181 H 30.5°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B42515
RGB	rgb(180, 37, 21)
HSL	hsl(6, 79%, 39%)
HSV	hsv(6, 88%, 71%)
CMYK	cmyk(0%, 79.4%, 88.3%, 29.4%)
CIE-LAB	lab(39.72, 55.33, 44.98)
CIE-LCH	lch(39.72, 71.30, 39.11°)
OKLab	oklab(50.16% 0.156 0.0919)
OKLCH	oklch(50.16% 0.181 30.5)
XYZ	xyz(19.6218, 11.0838, 1.8156)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42515 #15A4B4

analogous

#B41554 #B42515 #B47515

triadic

#B42515 #15B425 #2515B4

tetradic

#B42515 #54B415 #15A4B4 #7515B4

square

#B42515 #54B415 #15A4B4 #7515B4

split-complementary

#B42515 #15B475 #1554B4

monochromatic

#460E08 #7D1A0F #B42515 #E53521 #EC6758

Accessibility & contrast

On white

6.53

#B42515 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B42515 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42515

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42515	#FFFFFF	#000000	##FFFFFF
##B42515	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)

#534A10

Deuteranopia (green-blind)

#766909

Tritanopia (blue-blind)

#C70024

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42515;
/* rgb */ color: rgb(180, 37, 21);
/* oklch */ color: oklch(50.2% 0.181 30.5);

Tailwind

colors: {
  custom: {
    50: '#d56d56',
    500: '#b42515',
    950: '#000000',
  },
}

SCSS

$custom: #b42515;
$custom-light: #d56d56;
$custom-dark: #000000;

JSON

{
  "hex": "#b42515",
  "rgb": {
    "r": 180,
    "g": 37,
    "b": 21
  },
  "hsl": {
    "h": 6.038,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50164,
    "c": 0.18104,
    "h": 30.5
  },
  "luminance": 0.11081
}

Semantic roles & 50–950 ramp

primary

#B42515

secondary

#56C2CF

accent

#E2F632

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42515

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

Preview Lab → · Contrast checker → · Palette generator →