#B3591C#B3591C

#B3591C is a mid, vivid orange. Relative luminance 0.168; OKLCH L 56.4% C 0.136 H 49.7°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#B3591C
RGB	rgb(179, 89, 28)
HSL	hsl(24, 73%, 41%)
HSV	hsv(24, 84%, 70%)
CMYK	cmyk(0%, 50.3%, 84.4%, 29.8%)
CIE-LAB	lab(48.03, 32.75, 48.89)
CIE-LCH	lch(48.03, 58.85, 56.18°)
OKLab	oklab(56.42% 0.0881 0.1038)
OKLCH	oklch(56.42% 0.136 49.7)
XYZ	xyz(22.3746, 16.8151, 3.1658)
Luminance	0.1681 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3591C #1C76B3

analogous

#B31C2B #B3591C #B3A41C

triadic

#B3591C #1CB359 #591CB3

tetradic

#B3591C #2BB31C #1C76B3 #A41CB3

square

#B3591C #2BB31C #1C76B3 #A41CB3

split-complementary

#B3591C #1CB3A4 #1C2BB3

monochromatic

#49240B #7E3F14 #B3591C #DE752E #E79863

Accessibility & contrast

On white

4.81

#B3591C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#B3591C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3591C

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3591C	#FFFFFF	#000000	##FFFFFF
##B3591C	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736511

Deuteranopia (green-blind)

#897A1A

Tritanopia (blue-blind)

#C5454D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b3591c;
/* rgb */ color: rgb(179, 89, 28);
/* oklch */ color: oklch(56.4% 0.136 49.7);

Tailwind

colors: {
  custom: {
    50: '#d1895e',
    500: '#b3591c',
    950: '#000000',
  },
}

SCSS

$custom: #b3591c;
$custom-light: #d1895e;
$custom-dark: #000000;

JSON

{
  "hex": "#b3591c",
  "rgb": {
    "r": 179,
    "g": 89,
    "b": 28
  },
  "hsl": {
    "h": 24.238,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56415,
    "c": 0.13611,
    "h": 49.7
  },
  "luminance": 0.16812
}

Semantic roles & 50–950 ramp

primary

#B3591C

secondary

#5FA0CB

accent

#A6F038

background

#FDF8F5

surface

#FBF0E9

border

#D4CBC5

text

#150C05

muted

#837D79

Preview Lab

Preview with #B3591C

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

Preview Lab → · Contrast checker → · Palette generator →