#B4501F#B4501F

#B4501F is a mid, vivid orange. Relative luminance 0.155; OKLCH L 55.2% C 0.143 H 43.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#B4501F
RGBrgb(180, 80, 31)
HSLhsl(20, 71%, 41%)
HSVhsv(20, 83%, 71%)
CMYKcmyk(0%, 55.6%, 82.8%, 29.4%)
CIE-LABlab(46.37, 37.89, 46.20)
CIE-LCHlch(46.37, 59.75, 50.64°)
OKLaboklab(55.19% 0.1039 0.0987)
OKLCHoklch(55.19% 0.143 43.5)
XYZxyz(21.9407, 15.5425, 3.1407)
Luminance0.1554 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4501F #1F83B4
analogous
#B41F38 #B4501F #B49B1F
triadic
#B4501F #1FB450 #501FB4
tetradic
#B4501F #38B41F #1F83B4 #9B1FB4
square
#B4501F #38B41F #1F83B4 #9B1FB4
split-complementary
#B4501F #1FB49B #1F38B4
monochromatic
#4C220D #803916 #B4501F #DC6B34 #E59168

Accessibility & contrast

On white

5.11
#B4501F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.11
#B4501F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4501F
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4501F#FFFFFF#000000##FFFFFF
##B4501F1.005.114.115.11
#FFFFFF5.111.0021.001.00
#0000004.1121.001.0021.00
##FFFFFF5.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C6017
Deuteranopia (green-blind)
#85761C
Tritanopia (blue-blind)
#C63946
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #b4501f;
/* rgb */ color: rgb(180, 80, 31);
/* oklch */ color: oklch(55.2% 0.143 43.5);
Tailwind
colors: {
  custom: {
    50: '#d2845f',
    500: '#b4501f',
    950: '#000000',
  },
}
SCSS
$custom: #b4501f;
$custom-light: #d2845f;
$custom-dark: #000000;
JSON
{
  "hex": "#b4501f",
  "rgb": {
    "r": 180,
    "g": 80,
    "b": 31
  },
  "hsl": {
    "h": 19.732,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55188,
    "c": 0.14329,
    "h": 43.5
  },
  "luminance": 0.1554
}

Semantic roles & 50–950 ramp

primary
#B4501F
secondary
#64A9CB
accent
#B3ED3A
background
#FEF8F5
surface
#FCEFE9
border
#D5CAC5
text
#160B05
muted
#847C79

Preview Lab

Preview with #B4501F

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

Preview Lab → · Contrast checker → · Palette generator →

#B4501F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva