#B4531C#B4531C

#B4531C is a mid, vivid orange. Relative luminance 0.160; OKLCH L 55.6% C 0.142 H 45.9°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#B4531C
RGB	rgb(180, 83, 28)
HSL	hsl(22, 73%, 41%)
HSV	hsv(22, 84%, 71%)
CMYK	cmyk(0%, 53.9%, 84.4%, 29.4%)
CIE-LAB	lab(46.94, 36.28, 48.00)
CIE-LCH	lch(46.94, 60.17, 52.92°)
OKLab	oklab(55.62% 0.0986 0.1017)
OKLCH	oklch(55.62% 0.142 45.9)
XYZ	xyz(22.1275, 15.9765, 3.0170)
Luminance	0.1597 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4531C #1C7DB4

analogous

#B41C31 #B4531C #B49F1C

triadic

#B4531C #1CB453 #531CB4

tetradic

#B4531C #31B41C #1C7DB4 #9F1CB4

square

#B4531C #31B41C #1C7DB4 #9F1CB4

split-complementary

#B4531C #1CB49F #1C31B4

monochromatic

#4A220C #7F3B14 #B4531C #DF6E2F #E79364

Accessibility & contrast

On white

5.01

#B4531C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#B4531C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4531C

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4531C	#FFFFFF	#000000	##FFFFFF
##B4531C	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)

#6F6213

Deuteranopia (green-blind)

#867819

Tritanopia (blue-blind)

#C63D48

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b4531c;
/* rgb */ color: rgb(180, 83, 28);
/* oklch */ color: oklch(55.6% 0.142 45.9);

Tailwind

colors: {
  custom: {
    50: '#d2855e',
    500: '#b4531c',
    950: '#000000',
  },
}

SCSS

$custom: #b4531c;
$custom-light: #d2855e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4531c",
  "rgb": {
    "r": 180,
    "g": 83,
    "b": 28
  },
  "hsl": {
    "h": 21.711,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55619,
    "c": 0.14166,
    "h": 45.9
  },
  "luminance": 0.15974
}

Semantic roles & 50–950 ramp

primary

#B4531C

secondary

#60A5CC

accent

#ADF038

background

#FEF8F5

surface

#FCEFE9

border

#D5CAC5

text

#160B04

muted

#847C79

Preview Lab

Preview with #B4531C

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

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