#BB6537#BB6537

#BB6537 is a mid, vivid orange. Relative luminance 0.201; OKLCH L 59.8% C 0.126 H 47.1°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#BB6537
RGBrgb(187, 101, 55)
HSLhsl(21, 55%, 47%)
HSVhsv(21, 71%, 73%)
CMYKcmyk(0%, 46%, 70.6%, 26.7%)
CIE-LABlab(52.01, 30.77, 40.55)
CIE-LCHlch(52.01, 50.90, 52.81°)
OKLaboklab(59.78% 0.0856 0.0921)
OKLCHoklch(59.78% 0.126 47.1)
XYZxyz(25.8390, 20.1509, 6.1425)
Luminance0.2015 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB6537 #378DBB
analogous
#BB374B #BB6537 #BBA737
triadic
#BB6537 #37BB65 #6537BB
tetradic
#BB6537 #4BBB37 #378DBB #A737BB
square
#BB6537 #4BBB37 #378DBB #A737BB
split-complementary
#BB6537 #37BBA7 #374BBB
monochromatic
#5C321B #8C4B29 #BB6537 #D0875F #DEAA8E

Accessibility & contrast

On white

4.18
#BB6537 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.03
#BB6537 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #BB6537
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB6537#FFFFFF#000000##000000
##BB65371.004.185.035.03
#FFFFFF4.181.0021.0021.00
#0000005.0321.001.001.00
##0000005.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D7032
Deuteranopia (green-blind)
#928336
Tritanopia (blue-blind)
#CC545B
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #bb6537;
/* rgb */ color: rgb(187, 101, 55);
/* oklch */ color: oklch(59.8% 0.126 47.1);
Tailwind
colors: {
  custom: {
    50: '#d59270',
    500: '#bb6537',
    950: '#000000',
  },
}
SCSS
$custom: #bb6537;
$custom-light: #d59270;
$custom-dark: #000000;
JSON
{
  "hex": "#bb6537",
  "rgb": {
    "r": 187,
    "g": 101,
    "b": 55
  },
  "hsl": {
    "h": 20.909,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.59775,
    "c": 0.12574,
    "h": 47.1
  },
  "luminance": 0.20148
}

Semantic roles & 50–950 ramp

primary
#BB6537
secondary
#85B1C9
accent
#AADE4A
background
#FDF9F6
surface
#FBF1EC
border
#D4CBC7
text
#150D07
muted
#837E7A

Preview Lab

Preview with #BB6537

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

Preview Lab → · Contrast checker → · Palette generator →

#BB6537 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva