#B4451C#B4451C

#B4451C is a mid, vivid orange. Relative luminance 0.140; OKLCH L 53.6% C 0.154 H 38.9°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B4451C
RGB	rgb(180, 69, 28)
HSL	hsl(16, 73%, 41%)
HSV	hsv(16, 84%, 71%)
CMYK	cmyk(0%, 61.7%, 84.4%, 29.4%)
CIE-LAB	lab(44.30, 43.14, 45.68)
CIE-LCH	lch(44.30, 62.83, 46.64°)
OKLab	oklab(53.61% 0.1194 0.0965)
OKLCH	oklch(53.61% 0.154 38.9)
XYZ	xyz(21.1625, 14.0464, 2.6953)
Luminance	0.1404 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4451C #1C8BB4

analogous

#B41C3F #B4451C #B4911C

triadic

#B4451C #1CB445 #451CB4

tetradic

#B4451C #3FB41C #1C8BB4 #911CB4

square

#B4451C #3FB41C #1C8BB4 #911CB4

split-complementary

#B4451C #1CB491 #1C3FB4

monochromatic

#4A1C0C #7F3114 #B4451C #DF5E2F #E78764

Accessibility & contrast

On white

5.51

#B4451C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B4451C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4451C

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4451C	#FFFFFF	#000000	##FFFFFF
##B4451C	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655915

Deuteranopia (green-blind)

#807217

Tritanopia (blue-blind)

#C6283D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b4451c;
/* rgb */ color: rgb(180, 69, 28);
/* oklch */ color: oklch(53.6% 0.154 38.9);

Tailwind

colors: {
  custom: {
    50: '#d37d5c',
    500: '#b4451c',
    950: '#000000',
  },
}

SCSS

$custom: #b4451c;
$custom-light: #d37d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4451c",
  "rgb": {
    "r": 180,
    "g": 69,
    "b": 28
  },
  "hsl": {
    "h": 16.184,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53612,
    "c": 0.15355,
    "h": 38.9
  },
  "luminance": 0.14043
}

Semantic roles & 50–950 ramp

primary

#B4451C

secondary

#60AFCC

accent

#BEF038

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #B4451C

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

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