#B4582F#B4582F

#B4582F is a mid, vivid orange. Relative luminance 0.169; OKLCH L 56.6% C 0.132 H 43.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#B4582F
RGB	rgb(180, 88, 47)
HSL	hsl(18, 59%, 45%)
HSV	hsv(18, 74%, 71%)
CMYK	cmyk(0%, 51.1%, 73.9%, 29.4%)
CIE-LAB	lab(48.12, 34.41, 40.16)
CIE-LCH	lch(48.12, 52.89, 49.41°)
OKLab	oklab(56.57% 0.0959 0.09)
OKLCH	oklch(56.57% 0.132 43.2)
XYZ	xyz(22.8274, 16.8908, 4.7469)
Luminance	0.1689 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4582F #2F8BB4

analogous

#B42F49 #B4582F #B49A2F

triadic

#B4582F #2FB458 #582FB4

tetradic

#B4582F #49B42F #2F8BB4 #9A2FB4

square

#B4582F #49B42F #2F8BB4 #9A2FB4

split-complementary

#B4582F #2FB49A #2F49B4

monochromatic

#532916 #834022 #B4582F #D1774F #DE9D80

Accessibility & contrast

On white

4.80

#B4582F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#B4582F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4582F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4582F	#FFFFFF	#000000	##FFFFFF
##B4582F	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71662A

Deuteranopia (green-blind)

#887A2D

Tritanopia (blue-blind)

#C5454F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b4582f;
/* rgb */ color: rgb(180, 88, 47);
/* oklch */ color: oklch(56.6% 0.132 43.2);

Tailwind

colors: {
  custom: {
    50: '#d18969',
    500: '#b4582f',
    950: '#000000',
  },
}

SCSS

$custom: #b4582f;
$custom-light: #d18969;
$custom-dark: #000000;

JSON

{
  "hex": "#b4582f",
  "rgb": {
    "r": 180,
    "g": 88,
    "b": 47
  },
  "hsl": {
    "h": 18.496,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56568,
    "c": 0.13153,
    "h": 43.2
  },
  "luminance": 0.16888
}

Semantic roles & 50–950 ramp

primary

#B4582F

secondary

#78AEC7

accent

#B2E246

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C06

muted

#837D7A

Preview Lab

Preview with #B4582F

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

Preview Lab → · Contrast checker → · Palette generator →