#B3571E#B3571E

#B3571E is a mid, vivid orange. Relative luminance 0.165; OKLCH L 56.1% C 0.137 H 48.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#B3571E
RGB	rgb(179, 87, 30)
HSL	hsl(23, 71%, 41%)
HSV	hsv(23, 83%, 70%)
CMYK	cmyk(0%, 51.4%, 83.2%, 29.8%)
CIE-LAB	lab(47.62, 33.86, 47.70)
CIE-LCH	lch(47.62, 58.50, 54.63°)
OKLab	oklab(56.11% 0.0917 0.1018)
OKLCH	oklch(56.11% 0.137 48)
XYZ	xyz(22.2352, 16.4966, 3.2413)
Luminance	0.1649 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3571E #1E7AB3

analogous

#B31E2F #B3571E #B3A11E

triadic

#B3571E #1EB357 #571EB3

tetradic

#B3571E #2FB31E #1E7AB3 #A11EB3

square

#B3571E #2FB31E #1E7AB3 #A11EB3

split-complementary

#B3571E #1EB3A1 #1E2FB3

monochromatic

#4A240C #7F3E15 #B3571E #DD7332 #E59766

Accessibility & contrast

On white

4.89

#B3571E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#B3571E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3571E

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3571E	#FFFFFF	#000000	##FFFFFF
##B3571E	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716415

Deuteranopia (green-blind)

#88791C

Tritanopia (blue-blind)

#C5424C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b3571e;
/* rgb */ color: rgb(179, 87, 30);
/* oklch */ color: oklch(56.1% 0.137 48.0);

Tailwind

colors: {
  custom: {
    50: '#d1885f',
    500: '#b3571e',
    950: '#000000',
  },
}

SCSS

$custom: #b3571e;
$custom-light: #d1885f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3571e",
  "rgb": {
    "r": 179,
    "g": 87,
    "b": 30
  },
  "hsl": {
    "h": 22.953,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56108,
    "c": 0.13698,
    "h": 48
  },
  "luminance": 0.16494
}

Semantic roles & 50–950 ramp

primary

#B3571E

secondary

#62A3CB

accent

#A9EE3A

background

#FDF8F5

surface

#FBF0E9

border

#D4CBC5

text

#150B05

muted

#837C79

Preview Lab

Preview with #B3571E

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

Preview Lab → · Contrast checker → · Palette generator →