#B3582A#B3582A

#B3582A is a mid, vivid orange. Relative luminance 0.167; OKLCH L 56.4% C 0.132 H 45.2°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#B3582A
RGB	rgb(179, 88, 42)
HSL	hsl(20, 62%, 43%)
HSV	hsv(20, 77%, 70%)
CMYK	cmyk(0%, 50.8%, 76.5%, 29.8%)
CIE-LAB	lab(47.92, 33.78, 42.45)
CIE-LCH	lch(47.92, 54.25, 51.49°)
OKLab	oklab(56.37% 0.0933 0.0938)
OKLCH	oklch(56.37% 0.132 45.2)
XYZ	xyz(22.5002, 16.7331, 4.2350)
Luminance	0.1673 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3582A #2A85B3

analogous

#B32A40 #B3582A #B39C2A

triadic

#B3582A #2AB358 #582AB3

tetradic

#B3582A #40B32A #2A85B3 #9C2AB3

square

#B3582A #40B32A #2A85B3 #9C2AB3

split-complementary

#B3582A #2AB39C #2A40B3

monochromatic

#502713 #81401E #B3582A #D47646 #DF9B78

Accessibility & contrast

On white

4.83

#B3582A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#B3582A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3582A

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3582A	#FFFFFF	#000000	##FFFFFF
##B3582A	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)

#716524

Deuteranopia (green-blind)

#887A28

Tritanopia (blue-blind)

#C4454E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b3582a;
/* rgb */ color: rgb(179, 88, 42);
/* oklch */ color: oklch(56.4% 0.132 45.2);

Tailwind

colors: {
  custom: {
    50: '#d08966',
    500: '#b3582a',
    950: '#000000',
  },
}

SCSS

$custom: #b3582a;
$custom-light: #d08966;
$custom-dark: #000000;

JSON

{
  "hex": "#b3582a",
  "rgb": {
    "r": 179,
    "g": 88,
    "b": 42
  },
  "hsl": {
    "h": 20.146,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56369,
    "c": 0.13225,
    "h": 45.2
  },
  "luminance": 0.1673
}

Semantic roles & 50–950 ramp

primary

#B3582A

secondary

#72AAC7

accent

#AFE543

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B3582A

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

Preview Lab → · Contrast checker → · Palette generator →