#B4511C#B4511C

#B4511C is a mid, vivid orange. Relative luminance 0.157; OKLCH L 55.3% C 0.143 H 44.8°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#B4511C
RGB	rgb(180, 81, 28)
HSL	hsl(21, 73%, 41%)
HSV	hsv(21, 84%, 71%)
CMYK	cmyk(0%, 55%, 84.4%, 29.4%)
CIE-LAB	lab(46.55, 37.30, 47.65)
CIE-LCH	lch(46.55, 60.51, 51.95°)
OKLab	oklab(55.32% 0.1017 0.101)
OKLCH	oklch(55.32% 0.143 44.8)
XYZ	xyz(21.9767, 15.6749, 2.9667)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4511C #1C7FB4

analogous

#B41C33 #B4511C #B49D1C

triadic

#B4511C #1CB451 #511CB4

tetradic

#B4511C #33B41C #1C7FB4 #9D1CB4

square

#B4511C #33B41C #1C7FB4 #9D1CB4

split-complementary

#B4511C #1CB49D #1C33B4

monochromatic

#4A210C #7F3914 #B4511C #DF6C2F #E79164

Accessibility & contrast

On white

5.08

#B4511C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#B4511C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4511C

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4511C	#FFFFFF	#000000	##FFFFFF
##B4511C	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6013

Deuteranopia (green-blind)

#857718

Tritanopia (blue-blind)

#C63A47

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b4511c;
/* rgb */ color: rgb(180, 81, 28);
/* oklch */ color: oklch(55.3% 0.143 44.8);

Tailwind

colors: {
  custom: {
    50: '#d2845d',
    500: '#b4511c',
    950: '#000000',
  },
}

SCSS

$custom: #b4511c;
$custom-light: #d2845d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4511c",
  "rgb": {
    "r": 180,
    "g": 81,
    "b": 28
  },
  "hsl": {
    "h": 20.921,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55316,
    "c": 0.14327,
    "h": 44.8
  },
  "luminance": 0.15672
}

Semantic roles & 50–950 ramp

primary

#B4511C

secondary

#60A6CC

accent

#B0F038

background

#FEF8F5

surface

#FCEFE9

border

#D5CAC5

text

#160B04

muted

#847C79

Preview Lab

Preview with #B4511C

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

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