#BB6437#BB6437

#BB6437 is a mid, vivid orange. Relative luminance 0.200; OKLCH L 59.6% C 0.126 H 46.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#BB6437
RGBrgb(187, 100, 55)
HSLhsl(20, 55%, 47%)
HSVhsv(20, 71%, 73%)
CMYKcmyk(0%, 46.5%, 70.6%, 26.7%)
CIE-LABlab(51.79, 31.30, 40.31)
CIE-LCHlch(51.79, 51.04, 52.17°)
OKLaboklab(59.61% 0.0872 0.0916)
OKLCHoklch(59.61% 0.126 46.4)
XYZxyz(25.7425, 19.9579, 6.1103)
Luminance0.1996 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB6437 #378EBB
analogous
#BB374C #BB6437 #BBA637
triadic
#BB6437 #37BB64 #6437BB
tetradic
#BB6437 #4CBB37 #378EBB #A637BB
square
#BB6437 #4CBB37 #378EBB #A637BB
split-complementary
#BB6437 #37BBA6 #374CBB
monochromatic
#5C311B #8C4B29 #BB6437 #D0865F #DEAA8E

Accessibility & contrast

On white

4.21
#BB6437 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.99
#BB6437 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #BB6437
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB6437#FFFFFF#000000##000000
##BB64371.004.214.994.99
#FFFFFF4.211.0021.0021.00
#0000004.9921.001.001.00
##0000004.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C7032
Deuteranopia (green-blind)
#918336
Tritanopia (blue-blind)
#CD525A
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #bb6437;
/* rgb */ color: rgb(187, 100, 55);
/* oklch */ color: oklch(59.6% 0.126 46.4);
Tailwind
colors: {
  custom: {
    50: '#d59170',
    500: '#bb6437',
    950: '#000000',
  },
}
SCSS
$custom: #bb6437;
$custom-light: #d59170;
$custom-dark: #000000;
JSON
{
  "hex": "#bb6437",
  "rgb": {
    "r": 187,
    "g": 100,
    "b": 55
  },
  "hsl": {
    "h": 20.455,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.59608,
    "c": 0.12647,
    "h": 46.4
  },
  "luminance": 0.19955
}

Semantic roles & 50–950 ramp

primary
#BB6437
secondary
#85B2C9
accent
#ABDE4A
background
#FDF9F6
surface
#FBF1EC
border
#D4CBC7
text
#150D07
muted
#837E7A

Preview Lab

Preview with #BB6437

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

Preview Lab → · Contrast checker → · Palette generator →

#BB6437 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva