#B03B27#B03B27

#B03B27 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.156 H 32.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#B03B27
RGBrgb(176, 59, 39)
HSLhsl(9, 64%, 42%)
HSVhsv(9, 78%, 69%)
CMYKcmyk(0%, 66.5%, 77.8%, 31%)
CIE-LABlab(42.01, 46.54, 37.73)
CIE-LCHlch(42.01, 59.91, 39.04°)
OKLaboklab(51.79% 0.1322 0.083)
OKLCHoklch(51.79% 0.156 32.1)
XYZxyz(19.8369, 12.5074, 3.2887)
Luminance0.1250 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B03B27 #279CB0
analogous
#B02758 #B03B27 #B08027
triadic
#B03B27 #27B03B #3B27B0
tetradic
#B03B27 #58B027 #279CB0 #8027B0
square
#B03B27 #58B027 #279CB0 #8027B0
split-complementary
#B03B27 #27B080 #2758B0
monochromatic
#4C1911 #7E2A1C #B03B27 #D55540 #E08272

Accessibility & contrast

On white

6.00
#B03B27 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#B03B27 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B27
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B03B27#FFFFFF#000000##FFFFFF
##B03B271.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C5324
Deuteranopia (green-blind)
#796D23
Tritanopia (blue-blind)
#C21937
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b03b27;
/* rgb */ color: rgb(176, 59, 39);
/* oklch */ color: oklch(51.8% 0.156 32.1);
Tailwind
colors: {
  custom: {
    50: '#d07762',
    500: '#b03b27',
    950: '#000000',
  },
}
SCSS
$custom: #b03b27;
$custom-light: #d07762;
$custom-dark: #000000;
JSON
{
  "hex": "#b03b27",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 39
  },
  "hsl": {
    "h": 8.759,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51785,
    "c": 0.15611,
    "h": 32.1
  },
  "luminance": 0.12505
}

Semantic roles & 50–950 ramp

primary
#B03B27
secondary
#6CB9C7
accent
#CFE741
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150905
muted
#837B79

Preview Lab

Preview with #B03B27

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

Preview Lab → · Contrast checker → · Palette generator →

#B03B27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva