#B15A31#B15A31

#B15A31 is a mid, vivid orange. Relative luminance 0.169; OKLCH L 56.5% C 0.126 H 44.4°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#B15A31
RGBrgb(177, 90, 49)
HSLhsl(19, 57%, 44%)
HSVhsv(19, 72%, 69%)
CMYKcmyk(0%, 49.2%, 72.3%, 30.6%)
CIE-LABlab(48.11, 32.24, 38.98)
CIE-LCHlch(48.11, 50.58, 50.41°)
OKLaboklab(56.48% 0.09 0.088)
OKLCHoklch(56.48% 0.126 44.4)
XYZxyz(22.3440, 16.8838, 4.9874)
Luminance0.1688 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B15A31 #3188B1
analogous
#B13148 #B15A31 #B19A31
triadic
#B15A31 #31B15A #5A31B1
tetradic
#B15A31 #48B131 #3188B1 #9A31B1
square
#B15A31 #48B131 #3188B1 #9A31B1
split-complementary
#B15A31 #31B19A #3148B1
monochromatic
#512916 #814224 #B15A31 #CF7951 #DC9E80

Accessibility & contrast

On white

4.80
#B15A31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.38
#B15A31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B15A31
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B15A31#FFFFFF#000000##FFFFFF
##B15A311.004.804.384.80
#FFFFFF4.801.0021.001.00
#0000004.3821.001.0021.00
##FFFFFF4.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#72662C
Deuteranopia (green-blind)
#877A2F
Tritanopia (blue-blind)
#C24851
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #b15a31;
/* rgb */ color: rgb(177, 90, 49);
/* oklch */ color: oklch(56.5% 0.126 44.4);
Tailwind
colors: {
  custom: {
    50: '#ce8a6b',
    500: '#b15a31',
    950: '#000000',
  },
}
SCSS
$custom: #b15a31;
$custom-light: #ce8a6b;
$custom-dark: #000000;
JSON
{
  "hex": "#b15a31",
  "rgb": {
    "r": 177,
    "g": 90,
    "b": 49
  },
  "hsl": {
    "h": 19.219,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56477,
    "c": 0.12584,
    "h": 44.4
  },
  "luminance": 0.16881
}

Semantic roles & 50–950 ramp

primary
#B15A31
secondary
#79ADC5
accent
#AFE048
background
#FDF8F6
surface
#FAF0EB
border
#D3CBC6
text
#150C07
muted
#837D7A

Preview Lab

Preview with #B15A31

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

Preview Lab → · Contrast checker → · Palette generator →

#B15A31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva