#B3582C#B3582C

#B3582C is a mid, vivid orange. Relative luminance 0.167; OKLCH L 56.4% C 0.132 H 44.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#B3582C
RGB	rgb(179, 88, 44)
HSL	hsl(20, 61%, 44%)
HSV	hsv(20, 75%, 70%)
CMYK	cmyk(0%, 50.8%, 75.4%, 29.8%)
CIE-LAB	lab(47.94, 33.87, 41.46)
CIE-LCH	lch(47.94, 53.54, 50.76°)
OKLab	oklab(56.39% 0.0939 0.0921)
OKLCH	oklch(56.39% 0.132 44.5)
XYZ	xyz(22.5369, 16.7478, 4.4282)
Luminance	0.1674 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3582C #2C87B3

analogous

#B32C43 #B3582C #B39B2C

triadic

#B3582C #2CB358 #582CB3

tetradic

#B3582C #43B32C #2C87B3 #9B2CB3

square

#B3582C #43B32C #2C87B3 #9B2CB3

split-complementary

#B3582C #2CB39B #2C43B3

monochromatic

#512814 #824020 #B3582C #D2764A #DF9B7B

Accessibility & contrast

On white

4.83

#B3582C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#B3582C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3582C

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3582C	#FFFFFF	#000000	##FFFFFF
##B3582C	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716527

Deuteranopia (green-blind)

#877A2A

Tritanopia (blue-blind)

#C4454F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b3582c;
/* rgb */ color: rgb(179, 88, 44);
/* oklch */ color: oklch(56.4% 0.132 44.5);

Tailwind

colors: {
  custom: {
    50: '#d08967',
    500: '#b3582c',
    950: '#000000',
  },
}

SCSS

$custom: #b3582c;
$custom-light: #d08967;
$custom-dark: #000000;

JSON

{
  "hex": "#b3582c",
  "rgb": {
    "r": 179,
    "g": 88,
    "b": 44
  },
  "hsl": {
    "h": 19.556,
    "s": 60.538,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56389,
    "c": 0.13153,
    "h": 44.5
  },
  "luminance": 0.16745
}

Semantic roles & 50–950 ramp

primary

#B3582C

secondary

#74ACC7

accent

#B0E444

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B3582C

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

Preview Lab → · Contrast checker → · Palette generator →