#B3561B#B3561B

#B3561B is a mid, vivid orange. Relative luminance 0.163; OKLCH L 55.9% C 0.139 H 48.1°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#B3561B
RGB	rgb(179, 86, 27)
HSL	hsl(23, 74%, 40%)
HSV	hsv(23, 85%, 70%)
CMYK	cmyk(0%, 52%, 84.9%, 29.8%)
CIE-LAB	lab(47.39, 34.30, 48.74)
CIE-LCH	lch(47.39, 59.60, 54.87°)
OKLab	oklab(55.93% 0.0926 0.1032)
OKLCH	oklch(55.93% 0.139 48.1)
XYZ	xyz(22.1183, 16.3212, 3.0223)
Luminance	0.1632 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3561B #1B78B3

analogous

#B31B2C #B3561B #B3A21B

triadic

#B3561B #1BB356 #561BB3

tetradic

#B3561B #2CB31B #1B78B3 #A21BB3

square

#B3561B #2CB31B #1B78B3 #A21BB3

split-complementary

#B3561B #1BB3A2 #1B2CB3

monochromatic

#49230B #7E3C13 #B3561B #DF722C #E79561

Accessibility & contrast

On white

4.93

#B3561B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#B3561B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3561B

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3561B	#FFFFFF	#000000	##FFFFFF
##B3561B	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716310

Deuteranopia (green-blind)

#877818

Tritanopia (blue-blind)

#C5414B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b3561b;
/* rgb */ color: rgb(179, 86, 27);
/* oklch */ color: oklch(55.9% 0.139 48.1);

Tailwind

colors: {
  custom: {
    50: '#d1875d',
    500: '#b3561b',
    950: '#000000',
  },
}

SCSS

$custom: #b3561b;
$custom-light: #d1875d;
$custom-dark: #000000;

JSON

{
  "hex": "#b3561b",
  "rgb": {
    "r": 179,
    "g": 86,
    "b": 27
  },
  "hsl": {
    "h": 23.289,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55929,
    "c": 0.13859,
    "h": 48.1
  },
  "luminance": 0.16318
}

Semantic roles & 50–950 ramp

primary

#B3561B

secondary

#5EA1CC

accent

#A9F037

background

#FDF8F5

surface

#FBF0E9

border

#D4CBC5

text

#150B04

muted

#837C79

Preview Lab

Preview with #B3561B

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

Preview Lab → · Contrast checker → · Palette generator →