#B05131#B05131

#B05131 is a mid, vivid orange. Relative luminance 0.153; OKLCH L 54.9% C 0.133 H 38.9°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX#B05131
RGBrgb(176, 81, 49)
HSLhsl(15, 56%, 44%)
HSVhsv(15, 72%, 69%)
CMYKcmyk(0%, 54%, 72.2%, 31%)
CIE-LABlab(46.10, 36.54, 36.71)
CIE-LCHlch(46.10, 51.80, 45.13°)
OKLaboklab(54.91% 0.1032 0.0832)
OKLCHoklch(54.91% 0.133 38.9)
XYZxyz(21.4034, 15.3394, 4.7388)
Luminance0.1534 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B05131 #3190B0
analogous
#B03151 #B05131 #B09131
triadic
#B05131 #31B051 #5131B0
tetradic
#B05131 #51B031 #3190B0 #9131B0
square
#B05131 #51B031 #3190B0 #9131B0
split-complementary
#B05131 #31B091 #3151B0
monochromatic
#502516 #803B24 #B05131 #CE7050 #DC9780

Accessibility & contrast

On white

5.16
#B05131 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.07
#B05131 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B05131
5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B05131#FFFFFF#000000##FFFFFF
##B051311.005.164.075.16
#FFFFFF5.161.0021.001.00
#0000004.0721.001.0021.00
##FFFFFF5.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B602D
Deuteranopia (green-blind)
#82752F
Tritanopia (blue-blind)
#C13D4A
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #b05131;
/* rgb */ color: rgb(176, 81, 49);
/* oklch */ color: oklch(54.9% 0.133 38.9);
Tailwind
colors: {
  custom: {
    50: '#ce846a',
    500: '#b05131',
    950: '#000000',
  },
}
SCSS
$custom: #b05131;
$custom-light: #ce846a;
$custom-dark: #000000;
JSON
{
  "hex": "#b05131",
  "rgb": {
    "r": 176,
    "g": 81,
    "b": 49
  },
  "hsl": {
    "h": 15.118,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.54907,
    "c": 0.13255,
    "h": 38.9
  },
  "luminance": 0.15337
}

Semantic roles & 50–950 ramp

primary
#B05131
secondary
#78B1C5
accent
#BAE048
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A

Preview Lab

Preview with #B05131

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

Preview Lab → · Contrast checker → · Palette generator →

#B05131 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva