#B03A25#B03A25

#B03A25 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.157 H 32.4°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#B03A25
RGBrgb(176, 58, 37)
HSLhsl(9, 65%, 42%)
HSVhsv(9, 79%, 69%)
CMYKcmyk(0%, 67%, 79%, 31%)
CIE-LABlab(41.83, 46.89, 38.63)
CIE-LCHlch(41.83, 60.75, 39.49°)
OKLaboklab(51.65% 0.1329 0.0844)
OKLCHoklch(51.65% 0.157 32.4)
XYZxyz(19.7537, 12.3927, 3.1018)
Luminance0.1239 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B03A25 #259BB0
analogous
#B02556 #B03A25 #B08025
triadic
#B03A25 #25B03A #3A25B0
tetradic
#B03A25 #56B025 #259BB0 #8025B0
square
#B03A25 #56B025 #259BB0 #8025B0
split-complementary
#B03A25 #25B080 #2556B0
monochromatic
#4B1910 #7D291A #B03A25 #D6533C #E1806F

Accessibility & contrast

On white

6.04
#B03A25 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#B03A25 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A25
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B03A25#FFFFFF#000000##FFFFFF
##B03A251.006.043.486.04
#FFFFFF6.041.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C5222
Deuteranopia (green-blind)
#796C20
Tritanopia (blue-blind)
#C21636
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b03a25;
/* rgb */ color: rgb(176, 58, 37);
/* oklch */ color: oklch(51.6% 0.157 32.4);
Tailwind
colors: {
  custom: {
    50: '#d07661',
    500: '#b03a25',
    950: '#000000',
  },
}
SCSS
$custom: #b03a25;
$custom-light: #d07661;
$custom-dark: #000000;
JSON
{
  "hex": "#b03a25",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 37
  },
  "hsl": {
    "h": 9.065,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51645,
    "c": 0.15743,
    "h": 32.4
  },
  "luminance": 0.1239
}

Semantic roles & 50–950 ramp

primary
#B03A25
secondary
#6AB9C7
accent
#CFE840
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150905
muted
#837B79

Preview Lab

Preview with #B03A25

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

Preview Lab → · Contrast checker → · Palette generator →

#B03A25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva