#B4531B#B4531B

#B4531B is a mid, vivid orange. Relative luminance 0.160; OKLCH L 55.6% C 0.142 H 46.1°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#B4531B
RGB	rgb(180, 83, 27)
HSL	hsl(22, 74%, 41%)
HSV	hsv(22, 85%, 71%)
CMYK	cmyk(0%, 53.9%, 85%, 29.4%)
CIE-LAB	lab(46.94, 36.25, 48.41)
CIE-LCH	lch(46.94, 60.48, 53.17°)
OKLab	oklab(55.61% 0.0984 0.1023)
OKLCH	oklch(55.61% 0.142 46.1)
XYZ	xyz(22.1158, 15.9718, 2.9550)
Luminance	0.1597 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4531B #1B7CB4

analogous

#B41B2F #B4531B #B49F1B

triadic

#B4531B #1BB453 #531BB4

tetradic

#B4531B #2FB41B #1B7CB4 #9F1BB4

square

#B4531B #2FB41B #1B7CB4 #9F1BB4

split-complementary

#B4531B #1BB49F #1B2FB4

monochromatic

#4A220B #7F3A13 #B4531B #DF6E2D #E79362

Accessibility & contrast

On white

5.01

#B4531B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#B4531B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4531B

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4531B	#FFFFFF	#000000	##FFFFFF
##B4531B	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6211

Deuteranopia (green-blind)

#867818

Tritanopia (blue-blind)

#C63D48

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b4531b;
/* rgb */ color: rgb(180, 83, 27);
/* oklch */ color: oklch(55.6% 0.142 46.1);

Tailwind

colors: {
  custom: {
    50: '#d2855d',
    500: '#b4531b',
    950: '#000000',
  },
}

SCSS

$custom: #b4531b;
$custom-light: #d2855d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4531b",
  "rgb": {
    "r": 180,
    "g": 83,
    "b": 27
  },
  "hsl": {
    "h": 21.961,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55612,
    "c": 0.14192,
    "h": 46.1
  },
  "luminance": 0.15969
}

Semantic roles & 50–950 ramp

primary

#B4531B

secondary

#5FA4CC

accent

#ADF137

background

#FEF8F5

surface

#FCEFE9

border

#D5CAC5

text

#160B04

muted

#847C79

Preview Lab

Preview with #B4531B

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

Preview Lab → · Contrast checker → · Palette generator →