#B55733#B55733

#B55733 is a mid, vivid orange. Relative luminance 0.169; OKLCH L 56.6% C 0.132 H 40.8°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#B55733
RGB	rgb(181, 87, 51)
HSL	hsl(17, 56%, 45%)
HSV	hsv(17, 72%, 71%)
CMYK	cmyk(0%, 51.9%, 71.8%, 29%)
CIE-LAB	lab(48.11, 35.53, 38.09)
CIE-LCH	lch(48.11, 52.09, 46.99°)
OKLab	oklab(56.6% 0.1 0.0863)
OKLCH	oklch(56.6% 0.132 40.8)
XYZ	xyz(23.0640, 16.8820, 5.1753)
Luminance	0.1688 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55733 #3391B5

analogous

#B53350 #B55733 #B59833

triadic

#B55733 #33B557 #5733B5

tetradic

#B55733 #50B533 #3391B5 #9833B5

square

#B55733 #50B533 #3391B5 #9833B5

split-complementary

#B55733 #33B598 #3350B5

monochromatic

#562918 #854026 #B55733 #CF7756 #DD9E86

Accessibility & contrast

On white

4.80

#B55733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#B55733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55733

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55733	#FFFFFF	#000000	##FFFFFF
##B55733	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71652F

Deuteranopia (green-blind)

#877A31

Tritanopia (blue-blind)

#C6444F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b55733;
/* rgb */ color: rgb(181, 87, 51);
/* oklch */ color: oklch(56.6% 0.132 40.8);

Tailwind

colors: {
  custom: {
    50: '#d1886c',
    500: '#b55733',
    950: '#000000',
  },
}

SCSS

$custom: #b55733;
$custom-light: #d1886c;
$custom-dark: #000000;

JSON

{
  "hex": "#b55733",
  "rgb": {
    "r": 181,
    "g": 87,
    "b": 51
  },
  "hsl": {
    "h": 16.615,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56603,
    "c": 0.13207,
    "h": 40.8
  },
  "luminance": 0.16879
}

Semantic roles & 50–950 ramp

primary

#B55733

secondary

#7DB2C6

accent

#B6DF48

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B55733

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

Preview Lab → · Contrast checker → · Palette generator →