#B45F31#B45F31

#B45F31 is a mid, vivid orange. Relative luminance 0.181; OKLCH L 57.7% C 0.125 H 47.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#B45F31
RGBrgb(180, 95, 49)
HSLhsl(21, 57%, 45%)
HSVhsv(21, 73%, 71%)
CMYKcmyk(0%, 47.2%, 72.8%, 29.4%)
CIE-LABlab(49.63, 30.79, 40.76)
CIE-LCHlch(49.63, 51.08, 52.93°)
OKLaboklab(57.73% 0.0853 0.0917)
OKLCHoklch(57.73% 0.125 47.1)
XYZxyz(23.4711, 18.1122, 5.1651)
Luminance0.1811 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B45F31 #3186B4
analogous
#B43144 #B45F31 #B4A131
triadic
#B45F31 #31B45F #5F31B4
tetradic
#B45F31 #44B431 #3186B4 #A131B4
square
#B45F31 #44B431 #3186B4 #A131B4
split-complementary
#B45F31 #31B4A1 #3144B4
monochromatic
#542C17 #844624 #B45F31 #D07E52 #DDA282

Accessibility & contrast

On white

4.54
#B45F31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#B45F31 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B45F31
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B45F31#FFFFFF#000000##000000
##B45F311.004.544.624.62
#FFFFFF4.541.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#776A2C
Deuteranopia (green-blind)
#8B7D30
Tritanopia (blue-blind)
#C54E55
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #b45f31;
/* rgb */ color: rgb(180, 95, 49);
/* oklch */ color: oklch(57.7% 0.125 47.1);
Tailwind
colors: {
  custom: {
    50: '#d08d6b',
    500: '#b45f31',
    950: '#000000',
  },
}
SCSS
$custom: #b45f31;
$custom-light: #d08d6b;
$custom-dark: #000000;
JSON
{
  "hex": "#b45f31",
  "rgb": {
    "r": 180,
    "g": 95,
    "b": 49
  },
  "hsl": {
    "h": 21.069,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57729,
    "c": 0.12523,
    "h": 47.1
  },
  "luminance": 0.18109
}

Semantic roles & 50–950 ramp

primary
#B45F31
secondary
#7BACC6
accent
#ABE047
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C07
muted
#837D7A

Preview Lab

Preview with #B45F31

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

Preview Lab → · Contrast checker → · Palette generator →

#B45F31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva