#BB511B#BB511B

#BB511B is a mid, vivid orange. Relative luminance 0.165; OKLCH L 56.4% C 0.151 H 43.6°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#BB511B
RGB	rgb(187, 81, 27)
HSL	hsl(20, 75%, 42%)
HSV	hsv(20, 86%, 73%)
CMYK	cmyk(0%, 56.7%, 85.6%, 26.7%)
CIE-LAB	lab(47.66, 40.01, 49.47)
CIE-LCH	lch(47.66, 63.63, 51.04°)
OKLab	oklab(56.39% 0.1092 0.104)
OKLCH	oklch(56.39% 0.151 43.6)
XYZ	xyz(23.6363, 16.5320, 2.9831)
Luminance	0.1653 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB511B #1B85BB

analogous

#BB1B35 #BB511B #BBA11B

triadic

#BB511B #1BBB51 #511BBB

tetradic

#BB511B #35BB1B #1B85BB #A11BBB

square

#BB511B #35BB1B #1B85BB #A11BBB

split-complementary

#BB511B #1BBBA1 #1B35BB

monochromatic

#50230C #863A13 #BB511B #E16D32 #E99367

Accessibility & contrast

On white

4.88

#BB511B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#BB511B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB511B

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB511B	#FFFFFF	#000000	##FFFFFF
##BB511B	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6211

Deuteranopia (green-blind)

#897A16

Tritanopia (blue-blind)

#CE3847

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #bb511b;
/* rgb */ color: rgb(187, 81, 27);
/* oklch */ color: oklch(56.4% 0.151 43.6);

Tailwind

colors: {
  custom: {
    50: '#d8855d',
    500: '#bb511b',
    950: '#000000',
  },
}

SCSS

$custom: #bb511b;
$custom-light: #d8855d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb511b",
  "rgb": {
    "r": 187,
    "g": 81,
    "b": 27
  },
  "hsl": {
    "h": 20.25,
    "s": 74.766,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56385,
    "c": 0.1508,
    "h": 43.6
  },
  "luminance": 0.16529
}

Semantic roles & 50–950 ramp

primary

#BB511B

secondary

#63AACE

accent

#B2F136

background

#FEF8F5

surface

#FDEFE9

border

#D5CAC5

text

#160B04

muted

#847C79

Preview Lab

Preview with #BB511B

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

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