#B03B25#B03B25

#B03B25 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.157 H 32.8°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#B03B25
RGBrgb(176, 59, 37)
HSLhsl(9, 65%, 42%)
HSVhsv(9, 79%, 69%)
CMYKcmyk(0%, 66.5%, 79%, 31%)
CIE-LABlab(41.99, 46.46, 38.79)
CIE-LCHlch(41.99, 60.53, 39.86°)
OKLaboklab(51.76% 0.1316 0.0847)
OKLCHoklch(51.76% 0.157 32.8)
XYZxyz(19.8046, 12.4945, 3.1188)
Luminance0.1249 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B03B25 #259AB0
analogous
#B02555 #B03B25 #B08025
triadic
#B03B25 #25B03B #3B25B0
tetradic
#B03B25 #55B025 #259AB0 #8025B0
square
#B03B25 #55B025 #259AB0 #8025B0
split-complementary
#B03B25 #25B080 #2555B0
monochromatic
#4B1910 #7D2A1A #B03B25 #D6553C #E1816F

Accessibility & contrast

On white

6.00
#B03B25 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#B03B25 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B25
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B03B25#FFFFFF#000000##FFFFFF
##B03B251.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5322
Deuteranopia (green-blind)
#796D20
Tritanopia (blue-blind)
#C21837
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b03b25;
/* rgb */ color: rgb(176, 59, 37);
/* oklch */ color: oklch(51.8% 0.157 32.8);
Tailwind
colors: {
  custom: {
    50: '#d07761',
    500: '#b03b25',
    950: '#000000',
  },
}
SCSS
$custom: #b03b25;
$custom-light: #d07761;
$custom-dark: #000000;
JSON
{
  "hex": "#b03b25",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 37
  },
  "hsl": {
    "h": 9.496,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51764,
    "c": 0.15651,
    "h": 32.8
  },
  "luminance": 0.12492
}

Semantic roles & 50–950 ramp

primary
#B03B25
secondary
#6AB8C7
accent
#CEE840
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150905
muted
#837B79

Preview Lab

Preview with #B03B25

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

Preview Lab → · Contrast checker → · Palette generator →

#B03B25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva