#B45B2B#B45B2B

#B45B2B is a mid, vivid orange. Relative luminance 0.174; OKLCH L 57.0% C 0.131 H 46.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#B45B2B
RGBrgb(180, 91, 43)
HSLhsl(21, 61%, 44%)
HSVhsv(21, 76%, 71%)
CMYKcmyk(0%, 49.4%, 76.1%, 29.4%)
CIE-LABlab(48.71, 32.65, 42.81)
CIE-LCHlch(48.71, 53.84, 52.67°)
OKLaboklab(57.01% 0.0899 0.0947)
OKLCHoklch(57.01% 0.131 46.5)
XYZxyz(23.0017, 17.3627, 4.4251)
Luminance0.1736 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B45B2B #2B84B4
analogous
#B42B3F #B45B2B #B49F2B
triadic
#B45B2B #2BB45B #5B2BB4
tetradic
#B45B2B #3FB42B #2B84B4 #9F2BB4
square
#B45B2B #3FB42B #2B84B4 #9F2BB4
split-complementary
#B45B2B #2BB49F #2B3FB4
monochromatic
#512913 #83421F #B45B2B #D37949 #DF9E7A

Accessibility & contrast

On white

4.70
#B45B2B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#B45B2B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45B2B
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B45B2B#FFFFFF#000000##FFFFFF
##B45B2B1.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#746725
Deuteranopia (green-blind)
#8A7B29
Tritanopia (blue-blind)
#C54851
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #b45b2b;
/* rgb */ color: rgb(180, 91, 43);
/* oklch */ color: oklch(57.0% 0.131 46.5);
Tailwind
colors: {
  custom: {
    50: '#d18b67',
    500: '#b45b2b',
    950: '#000000',
  },
}
SCSS
$custom: #b45b2b;
$custom-light: #d18b67;
$custom-dark: #000000;
JSON
{
  "hex": "#b45b2b",
  "rgb": {
    "r": 180,
    "g": 91,
    "b": 43
  },
  "hsl": {
    "h": 21.022,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.57007,
    "c": 0.13061,
    "h": 46.5
  },
  "luminance": 0.1736
}

Semantic roles & 50–950 ramp

primary
#B45B2B
secondary
#73AAC7
accent
#ACE543
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A

Preview Lab

Preview with #B45B2B

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

Preview Lab → · Contrast checker → · Palette generator →

#B45B2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva