#B15131#B15131

#B15131 is a mid, vivid orange. Relative luminance 0.155; OKLCH L 55.1% C 0.134 H 38.7°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX#B15131
RGBrgb(177, 81, 49)
HSLhsl(15, 57%, 44%)
HSVhsv(15, 72%, 69%)
CMYKcmyk(0%, 54.2%, 72.3%, 30.6%)
CIE-LABlab(46.25, 36.93, 36.93)
CIE-LCHlch(46.25, 52.23, 45.00°)
OKLaboklab(55.06% 0.1043 0.0836)
OKLCHoklch(55.06% 0.134 38.7)
XYZxyz(21.6304, 15.4565, 4.7495)
Luminance0.1545 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B15131 #3191B1
analogous
#B13151 #B15131 #B19131
triadic
#B15131 #31B151 #5131B1
tetradic
#B15131 #51B131 #3191B1 #9131B1
square
#B15131 #51B131 #3191B1 #9131B1
split-complementary
#B15131 #31B191 #3151B1
monochromatic
#512516 #813B24 #B15131 #CF7051 #DC9780

Accessibility & contrast

On white

5.13
#B15131 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.09
#B15131 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B15131
5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B15131#FFFFFF#000000##FFFFFF
##B151311.005.134.095.13
#FFFFFF5.131.0021.001.00
#0000004.0921.001.0021.00
##FFFFFF5.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B602D
Deuteranopia (green-blind)
#83762F
Tritanopia (blue-blind)
#C23D4A
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #b15131;
/* rgb */ color: rgb(177, 81, 49);
/* oklch */ color: oklch(55.1% 0.134 38.7);
Tailwind
colors: {
  custom: {
    50: '#cf846a',
    500: '#b15131',
    950: '#000000',
  },
}
SCSS
$custom: #b15131;
$custom-light: #cf846a;
$custom-dark: #000000;
JSON
{
  "hex": "#b15131",
  "rgb": {
    "r": 177,
    "g": 81,
    "b": 49
  },
  "hsl": {
    "h": 15,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55058,
    "c": 0.13368,
    "h": 38.7
  },
  "luminance": 0.15454
}

Semantic roles & 50–950 ramp

primary
#B15131
secondary
#79B2C5
accent
#BAE048
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A

Preview Lab

Preview with #B15131

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

Preview Lab → · Contrast checker → · Palette generator →

#B15131 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva