#BB6637#BB6637

#BB6637 is a mid, vivid orange. Relative luminance 0.203; OKLCH L 59.9% C 0.125 H 47.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#BB6637
RGBrgb(187, 102, 55)
HSLhsl(21, 55%, 47%)
HSVhsv(21, 71%, 73%)
CMYKcmyk(0%, 45.5%, 70.6%, 26.7%)
CIE-LABlab(52.23, 30.23, 40.79)
CIE-LCHlch(52.23, 50.77, 53.46°)
OKLaboklab(59.94% 0.084 0.0926)
OKLCHoklch(59.94% 0.125 47.8)
XYZxyz(25.9367, 20.3463, 6.1750)
Luminance0.2034 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB6637 #378CBB
analogous
#BB374A #BB6637 #BBA837
triadic
#BB6637 #37BB66 #6637BB
tetradic
#BB6637 #4ABB37 #378CBB #A837BB
square
#BB6637 #4ABB37 #378CBB #A837BB
split-complementary
#BB6637 #37BBA8 #374ABB
monochromatic
#5C321B #8C4C29 #BB6637 #D0875F #DEAB8E

Accessibility & contrast

On white

4.14
#BB6637 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.07
#BB6637 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #BB6637
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB6637#FFFFFF#000000##000000
##BB66371.004.145.075.07
#FFFFFF4.141.0021.0021.00
#0000005.0721.001.001.00
##0000005.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E7132
Deuteranopia (green-blind)
#928436
Tritanopia (blue-blind)
#CC555C
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #bb6637;
/* rgb */ color: rgb(187, 102, 55);
/* oklch */ color: oklch(59.9% 0.125 47.8);
Tailwind
colors: {
  custom: {
    50: '#d59370',
    500: '#bb6637',
    950: '#000000',
  },
}
SCSS
$custom: #bb6637;
$custom-light: #d59370;
$custom-dark: #000000;
JSON
{
  "hex": "#bb6637",
  "rgb": {
    "r": 187,
    "g": 102,
    "b": 55
  },
  "hsl": {
    "h": 21.364,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.59944,
    "c": 0.12502,
    "h": 47.8
  },
  "luminance": 0.20343
}

Semantic roles & 50–950 ramp

primary
#BB6637
secondary
#85B1C9
accent
#A9DE4A
background
#FDF9F6
surface
#FBF1EC
border
#D4CBC7
text
#150D07
muted
#837E7A

Preview Lab

Preview with #BB6637

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

Preview Lab → · Contrast checker → · Palette generator →

#BB6637 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva