#B43D21#B43D21

#B43D21 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.160 H 34.4°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#B43D21
RGBrgb(180, 61, 33)
HSLhsl(11, 69%, 42%)
HSVhsv(11, 82%, 71%)
CMYKcmyk(0%, 66.1%, 81.7%, 29.4%)
CIE-LABlab(42.99, 46.87, 42.10)
CIE-LCHlch(42.99, 63.00, 41.93°)
OKLaboklab(52.64% 0.1317 0.0903)
OKLCHoklch(52.64% 0.16 34.4)
XYZxyz(20.7680, 13.1537, 2.8839)
Luminance0.1315 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43D21 #2198B4
analogous
#B4214E #B43D21 #B48721
triadic
#B43D21 #21B43D #3D21B4
tetradic
#B43D21 #4EB421 #2198B4 #8721B4
square
#B43D21 #4EB421 #2198B4 #8721B4
split-complementary
#B43D21 #21B487 #214EB4
monochromatic
#4D1A0E #802B18 #B43D21 #DA5738 #E4826B

Accessibility & contrast

On white

5.78
#B43D21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.63
#B43D21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D21
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43D21#FFFFFF#000000##FFFFFF
##B43D211.005.783.635.78
#FFFFFF5.781.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F551D
Deuteranopia (green-blind)
#7D6F1C
Tritanopia (blue-blind)
#C61938
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #b43d21;
/* rgb */ color: rgb(180, 61, 33);
/* oklch */ color: oklch(52.6% 0.160 34.4);
Tailwind
colors: {
  custom: {
    50: '#d3785f',
    500: '#b43d21',
    950: '#000000',
  },
}
SCSS
$custom: #b43d21;
$custom-light: #d3785f;
$custom-dark: #000000;
JSON
{
  "hex": "#b43d21",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 33
  },
  "hsl": {
    "h": 11.429,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5264,
    "c": 0.15972,
    "h": 34.4
  },
  "luminance": 0.13151
}

Semantic roles & 50–950 ramp

primary
#B43D21
secondary
#67B7CA
accent
#CAEC3C
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160905
muted
#847B79

Preview Lab

Preview with #B43D21

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

Preview Lab → · Contrast checker → · Palette generator →

#B43D21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva