#B05B31#B05B31

#B05B31 is a mid, vivid orange. Relative luminance 0.169; OKLCH L 56.5% C 0.124 H 45.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#B05B31
RGBrgb(176, 91, 49)
HSLhsl(20, 56%, 44%)
HSVhsv(20, 72%, 69%)
CMYKcmyk(0%, 48.3%, 72.2%, 31%)
CIE-LABlab(48.18, 31.29, 39.01)
CIE-LCHlch(48.18, 50.01, 51.26°)
OKLaboklab(56.5% 0.0872 0.0881)
OKLCHoklch(56.5% 0.124 45.3)
XYZxyz(22.2020, 16.9366, 5.0050)
Luminance0.1693 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B05B31 #3186B0
analogous
#B03146 #B05B31 #B09B31
triadic
#B05B31 #31B05B #5B31B0
tetradic
#B05B31 #46B031 #3186B0 #9B31B0
square
#B05B31 #46B031 #3186B0 #9B31B0
split-complementary
#B05B31 #31B09B #3146B0
monochromatic
#502916 #804224 #B05B31 #CE7A50 #DC9E80

Accessibility & contrast

On white

4.79
#B05B31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.39
#B05B31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B05B31
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B05B31#FFFFFF#000000##FFFFFF
##B05B311.004.794.394.79
#FFFFFF4.791.0021.001.00
#0000004.3921.001.0021.00
##FFFFFF4.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#73672C
Deuteranopia (green-blind)
#877A30
Tritanopia (blue-blind)
#C14A52
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #b05b31;
/* rgb */ color: rgb(176, 91, 49);
/* oklch */ color: oklch(56.5% 0.124 45.3);
Tailwind
colors: {
  custom: {
    50: '#ce8b6b',
    500: '#b05b31',
    950: '#000000',
  },
}
SCSS
$custom: #b05b31;
$custom-light: #ce8b6b;
$custom-dark: #000000;
JSON
{
  "hex": "#b05b31",
  "rgb": {
    "r": 176,
    "g": 91,
    "b": 49
  },
  "hsl": {
    "h": 19.843,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56498,
    "c": 0.12396,
    "h": 45.3
  },
  "luminance": 0.16934
}

Semantic roles & 50–950 ramp

primary
#B05B31
secondary
#78ABC5
accent
#AEE048
background
#FDF8F6
surface
#FAF0EB
border
#D3CBC6
text
#150C07
muted
#837D7A

Preview Lab

Preview with #B05B31

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

Preview Lab → · Contrast checker → · Palette generator →

#B05B31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva