#B4582B#B4582B

#B4582B is a mid, vivid orange. Relative luminance 0.169; OKLCH L 56.5% C 0.133 H 44.6°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#B4582B
RGB	rgb(180, 88, 43)
HSL	hsl(20, 61%, 44%)
HSV	hsv(20, 76%, 71%)
CMYK	cmyk(0%, 51.1%, 76.1%, 29.4%)
CIE-LAB	lab(48.08, 34.23, 42.16)
CIE-LCH	lch(48.08, 54.31, 50.93°)
OKLab	oklab(56.53% 0.0947 0.0933)
OKLCH	oklch(56.53% 0.133 44.6)
XYZ	xyz(22.7503, 16.8600, 4.3413)
Luminance	0.1686 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4582B #2B87B4

analogous

#B42B42 #B4582B #B49C2B

triadic

#B4582B #2BB458 #582BB4

tetradic

#B4582B #42B42B #2B87B4 #9C2BB4

square

#B4582B #42B42B #2B87B4 #9C2BB4

split-complementary

#B4582B #2BB49C #2B42B4

monochromatic

#512813 #83401F #B4582B #D37649 #DF9B7A

Accessibility & contrast

On white

4.80

#B4582B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#B4582B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4582B

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4582B	#FFFFFF	#000000	##FFFFFF
##B4582B	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726526

Deuteranopia (green-blind)

#887A29

Tritanopia (blue-blind)

#C5444E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b4582b;
/* rgb */ color: rgb(180, 88, 43);
/* oklch */ color: oklch(56.5% 0.133 44.6);

Tailwind

colors: {
  custom: {
    50: '#d18967',
    500: '#b4582b',
    950: '#000000',
  },
}

SCSS

$custom: #b4582b;
$custom-light: #d18967;
$custom-dark: #000000;

JSON

{
  "hex": "#b4582b",
  "rgb": {
    "r": 180,
    "g": 88,
    "b": 43
  },
  "hsl": {
    "h": 19.708,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56525,
    "c": 0.13297,
    "h": 44.6
  },
  "luminance": 0.16857
}

Semantic roles & 50–950 ramp

primary

#B4582B

secondary

#73ACC7

accent

#B0E543

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C06

muted

#837D7A

Preview Lab

Preview with #B4582B

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

Preview Lab → · Contrast checker → · Palette generator →