#B43315#B43315

#B43315 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.170 H 33.9°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX#B43315
RGBrgb(180, 51, 21)
HSLhsl(11, 79%, 39%)
HSVhsv(11, 88%, 71%)
CMYKcmyk(0%, 71.7%, 88.3%, 29.4%)
CIE-LABlab(41.42, 50.61, 46.32)
CIE-LCHlch(41.42, 68.61, 42.47°)
OKLaboklab(51.43% 0.1414 0.0951)
OKLCHoklch(51.43% 0.17 33.9)
XYZxyz(20.1440, 12.1282, 1.9896)
Luminance0.1212 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43315 #1596B4
analogous
#B41546 #B43315 #B48315
triadic
#B43315 #15B433 #3315B4
tetradic
#B43315 #46B415 #1596B4 #8315B4
square
#B43315 #46B415 #1596B4 #8315B4
split-complementary
#B43315 #15B483 #1546B4
monochromatic
#461408 #7D230F #B43315 #E54621 #EC7458

Accessibility & contrast

On white

6.13
#B43315 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.43
#B43315 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43315
6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43315#FFFFFF#000000##FFFFFF
##B433151.006.133.436.13
#FFFFFF6.131.0021.001.00
#0000003.4321.001.0021.00
##FFFFFF6.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A4F0E
Deuteranopia (green-blind)
#7A6C0B
Tritanopia (blue-blind)
#C7002E
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #b43315;
/* rgb */ color: rgb(180, 51, 21);
/* oklch */ color: oklch(51.4% 0.170 33.9);
Tailwind
colors: {
  custom: {
    50: '#d47357',
    500: '#b43315',
    950: '#000000',
  },
}
SCSS
$custom: #b43315;
$custom-light: #d47357;
$custom-dark: #000000;
JSON
{
  "hex": "#b43315",
  "rgb": {
    "r": 180,
    "g": 51,
    "b": 21
  },
  "hsl": {
    "h": 11.321,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51431,
    "c": 0.17039,
    "h": 33.9
  },
  "luminance": 0.12125
}

Semantic roles & 50–950 ramp

primary
#B43315
secondary
#56B8CF
accent
#D1F632
background
#FEF7F5
surface
#FDEDE9
border
#D5C8C5
text
#160903
muted
#847B78

Preview Lab

Preview with #B43315

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

Preview Lab → · Contrast checker → · Palette generator →

#B43315 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva