#B45128#B45128

#B45128 is a mid, vivid orange. Relative luminance 0.157; OKLCH L 55.4% C 0.140 H 41.5°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#B45128
RGBrgb(180, 81, 40)
HSLhsl(18, 64%, 43%)
HSVhsv(18, 78%, 71%)
CMYKcmyk(0%, 55%, 77.8%, 29.4%)
CIE-LABlab(46.64, 37.70, 42.18)
CIE-LCHlch(46.64, 56.58, 48.21°)
OKLaboklab(55.42% 0.1048 0.0926)
OKLCHoklch(55.42% 0.14 41.5)
XYZxyz(22.1501, 15.7442, 3.8796)
Luminance0.1574 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B45128 #288BB4
analogous
#B42845 #B45128 #B49728
triadic
#B45128 #28B451 #5128B4
tetradic
#B45128 #45B428 #288BB4 #9728B4
square
#B45128 #45B428 #288BB4 #9728B4
split-complementary
#B45128 #28B497 #2845B4
monochromatic
#502412 #823A1D #B45128 #D56E44 #E19576

Accessibility & contrast

On white

5.06
#B45128 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.15
#B45128 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45128
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B45128#FFFFFF#000000##FFFFFF
##B451281.005.064.155.06
#FFFFFF5.061.0021.001.00
#0000004.1521.001.0021.00
##FFFFFF5.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D6123
Deuteranopia (green-blind)
#857725
Tritanopia (blue-blind)
#C63B48
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #b45128;
/* rgb */ color: rgb(180, 81, 40);
/* oklch */ color: oklch(55.4% 0.140 41.5);
Tailwind
colors: {
  custom: {
    50: '#d28464',
    500: '#b45128',
    950: '#000000',
  },
}
SCSS
$custom: #b45128;
$custom-light: #d28464;
$custom-dark: #000000;
JSON
{
  "hex": "#b45128",
  "rgb": {
    "r": 180,
    "g": 81,
    "b": 40
  },
  "hsl": {
    "h": 17.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55415,
    "c": 0.13985,
    "h": 41.5
  },
  "luminance": 0.15741
}

Semantic roles & 50–950 ramp

primary
#B45128
secondary
#70AEC8
accent
#B6E741
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A

Preview Lab

Preview with #B45128

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

Preview Lab → · Contrast checker → · Palette generator →

#B45128 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva