#B15B28#B15B28

#B15B28 is a mid, vivid orange. Relative luminance 0.170; OKLCH L 56.5% C 0.129 H 48.3°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#B15B28
RGBrgb(177, 91, 40)
HSLhsl(22, 63%, 43%)
HSVhsv(22, 77%, 69%)
CMYKcmyk(0%, 48.6%, 77.4%, 30.6%)
CIE-LABlab(48.24, 31.29, 43.65)
CIE-LCHlch(48.24, 53.71, 54.37°)
OKLaboklab(56.55% 0.0856 0.096)
OKLCHoklch(56.55% 0.129 48.3)
XYZxyz(22.2576, 16.9851, 4.1134)
Luminance0.1698 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B15B28 #287EB1
analogous
#B12839 #B15B28 #B1A028
triadic
#B15B28 #28B15B #5B28B1
tetradic
#B15B28 #39B128 #287EB1 #A028B1
square
#B15B28 #39B128 #287EB1 #A028B1
split-complementary
#B15B28 #28B1A0 #2839B1
monochromatic
#4D2811 #7F411D #B15B28 #D47842 #E09C74

Accessibility & contrast

On white

4.78
#B15B28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.40
#B15B28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B15B28
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B15B28#FFFFFF#000000##FFFFFF
##B15B281.004.784.404.78
#FFFFFF4.781.0021.001.00
#0000004.4021.001.0021.00
##FFFFFF4.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#736721
Deuteranopia (green-blind)
#887A27
Tritanopia (blue-blind)
#C24950
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #b15b28;
/* rgb */ color: rgb(177, 91, 40);
/* oklch */ color: oklch(56.5% 0.129 48.3);
Tailwind
colors: {
  custom: {
    50: '#cf8b65',
    500: '#b15b28',
    950: '#000000',
  },
}
SCSS
$custom: #b15b28;
$custom-light: #cf8b65;
$custom-dark: #000000;
JSON
{
  "hex": "#b15b28",
  "rgb": {
    "r": 177,
    "g": 91,
    "b": 40
  },
  "hsl": {
    "h": 22.336,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56547,
    "c": 0.12858,
    "h": 48.3
  },
  "luminance": 0.16982
}

Semantic roles & 50–950 ramp

primary
#B15B28
secondary
#6EA6C7
accent
#A9E642
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A

Preview Lab

Preview with #B15B28

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

Preview Lab → · Contrast checker → · Palette generator →

#B15B28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva