#B3551E#B3551E

#B3551E is a mid, vivid orange. Relative luminance 0.162; OKLCH L 55.8% C 0.139 H 46.8°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#B3551E
RGB	rgb(179, 85, 30)
HSL	hsl(22, 71%, 41%)
HSV	hsv(22, 83%, 70%)
CMYK	cmyk(0%, 52.5%, 83.2%, 29.8%)
CIE-LAB	lab(47.21, 34.91, 47.33)
CIE-LCH	lch(47.21, 58.81, 53.59°)
OKLab	oklab(55.79% 0.0948 0.101)
OKLCH	oklch(55.79% 0.139 46.8)
XYZ	xyz(22.0755, 16.1773, 3.1881)
Luminance	0.1617 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3551E #1E7CB3

analogous

#B31E31 #B3551E #B39F1E

triadic

#B3551E #1EB355 #551EB3

tetradic

#B3551E #31B31E #1E7CB3 #9F1EB3

square

#B3551E #31B31E #1E7CB3 #9F1EB3

split-complementary

#B3551E #1EB39F #1E31B3

monochromatic

#4A230C #7F3C15 #B3551E #DD7132 #E59566

Accessibility & contrast

On white

4.96

#B3551E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#B3551E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3551E

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3551E	#FFFFFF	#000000	##FFFFFF
##B3551E	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706315

Deuteranopia (green-blind)

#87781B

Tritanopia (blue-blind)

#C5404A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b3551e;
/* rgb */ color: rgb(179, 85, 30);
/* oklch */ color: oklch(55.8% 0.139 46.8);

Tailwind

colors: {
  custom: {
    50: '#d1875f',
    500: '#b3551e',
    950: '#000000',
  },
}

SCSS

$custom: #b3551e;
$custom-light: #d1875f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3551e",
  "rgb": {
    "r": 179,
    "g": 85,
    "b": 30
  },
  "hsl": {
    "h": 22.148,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55792,
    "c": 0.13851,
    "h": 46.8
  },
  "luminance": 0.16174
}

Semantic roles & 50–950 ramp

primary

#B3551E

secondary

#62A4CB

accent

#ABEE3A

background

#FDF8F5

surface

#FBEFE9

border

#D4CAC5

text

#150B05

muted

#837C79

Preview Lab

Preview with #B3551E

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

Preview Lab → · Contrast checker → · Palette generator →