#B4501B#B4501B

#B4501B is a mid, vivid orange. Relative luminance 0.155; OKLCH L 55.2% C 0.144 H 44.5°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#B4501B
RGB	rgb(180, 80, 27)
HSL	hsl(21, 74%, 41%)
HSV	hsv(21, 85%, 71%)
CMYK	cmyk(0%, 55.6%, 85%, 29.4%)
CIE-LAB	lab(46.34, 37.77, 47.90)
CIE-LCH	lch(46.34, 61.00, 51.74°)
OKLab	oklab(55.16% 0.103 0.1012)
OKLCH	oklch(55.16% 0.144 44.5)
XYZ	xyz(21.8912, 15.5227, 2.8801)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4501B #1B7FB4

analogous

#B41B33 #B4501B #B49C1B

triadic

#B4501B #1BB450 #501BB4

tetradic

#B4501B #33B41B #1B7FB4 #9C1BB4

square

#B4501B #33B41B #1B7FB4 #9C1BB4

split-complementary

#B4501B #1BB49C #1B33B4

monochromatic

#4A210B #7F3813 #B4501B #DF6B2D #E79062

Accessibility & contrast

On white

5.12

#B4501B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#B4501B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4501B

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4501B	#FFFFFF	#000000	##FFFFFF
##B4501B	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6012

Deuteranopia (green-blind)

#857617

Tritanopia (blue-blind)

#C63946

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b4501b;
/* rgb */ color: rgb(180, 80, 27);
/* oklch */ color: oklch(55.2% 0.144 44.5);

Tailwind

colors: {
  custom: {
    50: '#d2845d',
    500: '#b4501b',
    950: '#000000',
  },
}

SCSS

$custom: #b4501b;
$custom-light: #d2845d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4501b",
  "rgb": {
    "r": 180,
    "g": 80,
    "b": 27
  },
  "hsl": {
    "h": 20.784,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55159,
    "c": 0.14433,
    "h": 44.5
  },
  "luminance": 0.1552
}

Semantic roles & 50–950 ramp

primary

#B4501B

secondary

#5FA6CC

accent

#B0F137

background

#FEF8F5

surface

#FCEFE9

border

#D5CAC5

text

#160B04

muted

#847C79

Preview Lab

Preview with #B4501B

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

Preview Lab → · Contrast checker → · Palette generator →