#B4521C#B4521C

#B4521C is a mid, vivid orange. Relative luminance 0.158; OKLCH L 55.5% C 0.142 H 45.3°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#B4521C
RGB	rgb(180, 82, 28)
HSL	hsl(21, 73%, 41%)
HSV	hsv(21, 84%, 71%)
CMYK	cmyk(0%, 54.4%, 84.4%, 29.4%)
CIE-LAB	lab(46.74, 36.79, 47.83)
CIE-LCH	lch(46.74, 60.34, 52.43°)
OKLab	oklab(55.47% 0.1001 0.1013)
OKLCH	oklch(55.47% 0.142 45.3)
XYZ	xyz(22.0516, 15.8246, 2.9916)
Luminance	0.1582 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4521C #1C7EB4

analogous

#B41C32 #B4521C #B49E1C

triadic

#B4521C #1CB452 #521CB4

tetradic

#B4521C #32B41C #1C7EB4 #9E1CB4

square

#B4521C #32B41C #1C7EB4 #9E1CB4

split-complementary

#B4521C #1CB49E #1C32B4

monochromatic

#4A220C #7F3A14 #B4521C #DF6D2F #E79264

Accessibility & contrast

On white

5.04

#B4521C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#B4521C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4521C

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4521C	#FFFFFF	#000000	##FFFFFF
##B4521C	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6113

Deuteranopia (green-blind)

#867719

Tritanopia (blue-blind)

#C63C48

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b4521c;
/* rgb */ color: rgb(180, 82, 28);
/* oklch */ color: oklch(55.5% 0.142 45.3);

Tailwind

colors: {
  custom: {
    50: '#d2855d',
    500: '#b4521c',
    950: '#000000',
  },
}

SCSS

$custom: #b4521c;
$custom-light: #d2855d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4521c",
  "rgb": {
    "r": 180,
    "g": 82,
    "b": 28
  },
  "hsl": {
    "h": 21.316,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55467,
    "c": 0.14245,
    "h": 45.3
  },
  "luminance": 0.15822
}

Semantic roles & 50–950 ramp

primary

#B4521C

secondary

#60A5CC

accent

#AEF038

background

#FEF8F5

surface

#FCEFE9

border

#D5CAC5

text

#160B04

muted

#847C79

Preview Lab

Preview with #B4521C

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

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