#B03B26#B03B26

#B03B26 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.156 H 32.5°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#B03B26
RGBrgb(176, 59, 38)
HSLhsl(9, 64%, 42%)
HSVhsv(9, 78%, 69%)
CMYKcmyk(0%, 66.5%, 78.4%, 31%)
CIE-LABlab(42.00, 46.50, 38.27)
CIE-LCHlch(42.00, 60.22, 39.45°)
OKLaboklab(51.77% 0.1319 0.0839)
OKLCHoklch(51.77% 0.156 32.5)
XYZxyz(19.8205, 12.5009, 3.2026)
Luminance0.1250 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B03B26 #269BB0
analogous
#B02656 #B03B26 #B08026
triadic
#B03B26 #26B03B #3B26B0
tetradic
#B03B26 #56B026 #269BB0 #8026B0
square
#B03B26 #56B026 #269BB0 #8026B0
split-complementary
#B03B26 #26B080 #2656B0
monochromatic
#4B1910 #7E2A1B #B03B26 #D5553E #E08170

Accessibility & contrast

On white

6.00
#B03B26 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#B03B26 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B26
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B03B26#FFFFFF#000000##FFFFFF
##B03B261.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C5323
Deuteranopia (green-blind)
#796D21
Tritanopia (blue-blind)
#C21937
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b03b26;
/* rgb */ color: rgb(176, 59, 38);
/* oklch */ color: oklch(51.8% 0.156 32.5);
Tailwind
colors: {
  custom: {
    50: '#d07762',
    500: '#b03b26',
    950: '#000000',
  },
}
SCSS
$custom: #b03b26;
$custom-light: #d07762;
$custom-dark: #000000;
JSON
{
  "hex": "#b03b26",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 38
  },
  "hsl": {
    "h": 9.13,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51774,
    "c": 0.15631,
    "h": 32.5
  },
  "luminance": 0.12498
}

Semantic roles & 50–950 ramp

primary
#B03B26
secondary
#6BB9C7
accent
#CEE740
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150905
muted
#837B79

Preview Lab

Preview with #B03B26

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

Preview Lab → · Contrast checker → · Palette generator →

#B03B26 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva