#B4451E#B4451E

#B4451E is a mid, vivid orange. Relative luminance 0.141; OKLCH L 53.6% C 0.153 H 38.5°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B4451E
RGB	rgb(180, 69, 30)
HSL	hsl(16, 71%, 41%)
HSV	hsv(16, 83%, 71%)
CMYK	cmyk(0%, 61.7%, 83.3%, 29.4%)
CIE-LAB	lab(44.31, 43.19, 44.78)
CIE-LCH	lch(44.31, 62.22, 46.03°)
OKLab	oklab(53.63% 0.1199 0.0952)
OKLCH	oklch(53.63% 0.153 38.5)
XYZ	xyz(21.1872, 14.0563, 2.8255)
Luminance	0.1405 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4451E #1E8DB4

analogous

#B41E42 #B4451E #B4901E

triadic

#B4451E #1EB445 #451EB4

tetradic

#B4451E #42B41E #1E8DB4 #901EB4

square

#B4451E #42B41E #1E8DB4 #901EB4

split-complementary

#B4451E #1EB490 #1E42B4

monochromatic

#4B1D0D #803115 #B4451E #DD5F32 #E68867

Accessibility & contrast

On white

5.51

#B4451E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B4451E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4451E

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4451E	#FFFFFF	#000000	##FFFFFF
##B4451E	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)

#655918

Deuteranopia (green-blind)

#807219

Tritanopia (blue-blind)

#C6283D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b4451e;
/* rgb */ color: rgb(180, 69, 30);
/* oklch */ color: oklch(53.6% 0.153 38.5);

Tailwind

colors: {
  custom: {
    50: '#d37d5d',
    500: '#b4451e',
    950: '#000000',
  },
}

SCSS

$custom: #b4451e;
$custom-light: #d37d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4451e",
  "rgb": {
    "r": 180,
    "g": 69,
    "b": 30
  },
  "hsl": {
    "h": 15.6,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.53627,
    "c": 0.15311,
    "h": 38.5
  },
  "luminance": 0.14053
}

Semantic roles & 50–950 ramp

primary

#B4451E

secondary

#63B0CB

accent

#BFEE3A

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #B4451E

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

Preview Lab → · Contrast checker → · Palette generator →