#B25131#B25131

#B25131 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.2% C 0.135 H 38.5°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#B25131
RGBrgb(178, 81, 49)
HSLhsl(15, 57%, 45%)
HSVhsv(15, 72%, 70%)
CMYKcmyk(0%, 54.5%, 72.5%, 30.2%)
CIE-LABlab(46.41, 37.32, 37.15)
CIE-LCHlch(46.41, 52.66, 44.87°)
OKLaboklab(55.21% 0.1054 0.084)
OKLCHoklch(55.21% 0.135 38.5)
XYZxyz(21.8590, 15.5744, 4.7602)
Luminance0.1557 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B25131 #3192B2
analogous
#B23151 #B25131 #B29231
triadic
#B25131 #31B251 #5131B2
tetradic
#B25131 #51B231 #3192B2 #9231B2
square
#B25131 #51B231 #3192B2 #9231B2
split-complementary
#B25131 #31B292 #3151B2
monochromatic
#522517 #823B24 #B25131 #CF7051 #DC9881

Accessibility & contrast

On white

5.10
#B25131 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.11
#B25131 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B25131
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B25131#FFFFFF#000000##FFFFFF
##B251311.005.104.115.10
#FFFFFF5.101.0021.001.00
#0000004.1121.001.0021.00
##FFFFFF5.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B612D
Deuteranopia (green-blind)
#83762F
Tritanopia (blue-blind)
#C33D4A
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #b25131;
/* rgb */ color: rgb(178, 81, 49);
/* oklch */ color: oklch(55.2% 0.135 38.5);
Tailwind
colors: {
  custom: {
    50: '#d0846a',
    500: '#b25131',
    950: '#000000',
  },
}
SCSS
$custom: #b25131;
$custom-light: #d0846a;
$custom-dark: #000000;
JSON
{
  "hex": "#b25131",
  "rgb": {
    "r": 178,
    "g": 81,
    "b": 49
  },
  "hsl": {
    "h": 14.884,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5521,
    "c": 0.13481,
    "h": 38.5
  },
  "luminance": 0.15572
}

Semantic roles & 50–950 ramp

primary
#B25131
secondary
#79B3C5
accent
#BAE048
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A

Preview Lab

Preview with #B25131

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

Preview Lab → · Contrast checker → · Palette generator →

#B25131 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva