#B4551C#B4551C

#B4551C is a mid, vivid orange. Relative luminance 0.163; OKLCH L 55.9% C 0.140 H 47.0°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#B4551C
RGB	rgb(180, 85, 28)
HSL	hsl(23, 73%, 41%)
HSV	hsv(23, 84%, 71%)
CMYK	cmyk(0%, 52.8%, 84.4%, 29.4%)
CIE-LAB	lab(47.35, 35.25, 48.36)
CIE-LCH	lch(47.35, 59.84, 53.91°)
OKLab	oklab(55.93% 0.0955 0.1025)
OKLCH	oklch(55.93% 0.14 47)
XYZ	xyz(22.2828, 16.2870, 3.0687)
Luminance	0.1628 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4551C #1C7BB4

analogous

#B41C2F #B4551C #B4A11C

triadic

#B4551C #1CB455 #551CB4

tetradic

#B4551C #2FB41C #1C7BB4 #A11CB4

square

#B4551C #2FB41C #1C7BB4 #A11CB4

split-complementary

#B4551C #1CB4A1 #1C2FB4

monochromatic

#4A230C #7F3C14 #B4551C #DF712F #E79564

Accessibility & contrast

On white

4.93

#B4551C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#B4551C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4551C

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4551C	#FFFFFF	#000000	##FFFFFF
##B4551C	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706312

Deuteranopia (green-blind)

#877819

Tritanopia (blue-blind)

#C63F4A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b4551c;
/* rgb */ color: rgb(180, 85, 28);
/* oklch */ color: oklch(55.9% 0.140 47.0);

Tailwind

colors: {
  custom: {
    50: '#d2875e',
    500: '#b4551c',
    950: '#000000',
  },
}

SCSS

$custom: #b4551c;
$custom-light: #d2875e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4551c",
  "rgb": {
    "r": 180,
    "g": 85,
    "b": 28
  },
  "hsl": {
    "h": 22.5,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55928,
    "c": 0.1401,
    "h": 47
  },
  "luminance": 0.16284
}

Semantic roles & 50–950 ramp

primary

#B4551C

secondary

#60A3CC

accent

#ABF038

background

#FEF8F5

surface

#FCEFE9

border

#D5CAC5

text

#160B05

muted

#847C79

Preview Lab

Preview with #B4551C

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

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