#B551E7#B551E7

#B551E7 is a light, highly saturated purple. Relative luminance 0.215; OKLCH L 62.7% C 0.225 H 312.4°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX#B551E7
RGBrgb(181, 81, 231)
HSLhsl(280, 76%, 61%)
HSVhsv(280, 65%, 91%)
CMYKcmyk(21.6%, 64.9%, 0%, 9.4%)
CIE-LABlab(53.47, 63.72, -59.04)
CIE-LCHlch(53.47, 86.87, 317.19°)
OKLaboklab(62.66% 0.1517 -0.1663)
OKLCHoklch(62.66% 0.225 312.4)
XYZxyz(36.4197, 21.4791, 77.8132)
Luminance0.2148 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B551E7 #83E751
analogous
#6A51E7 #B551E7 #E751CE
triadic
#B551E7 #E7B551 #51E7B5
tetradic
#B551E7 #E76A51 #83E751 #51CEE7
square
#B551E7 #E76A51 #83E751 #51CEE7
split-complementary
#B551E7 #CEE751 #51E76A
monochromatic
#7717A7 #9D1EDC #B551E7 #CC87EE #E3BDF6

Accessibility & contrast

On white

3.97
#B551E7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.30
#B551E7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B551E7
5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B551E7#FFFFFF#000000##000000
##B551E71.003.975.305.30
#FFFFFF3.971.0021.0021.00
#0000005.3021.001.001.00
##0000005.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#007BEC
Deuteranopia (green-blind)
#4482E4
Tritanopia (blue-blind)
#AF6F95
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #b551e7;
/* rgb */ color: rgb(181, 81, 231);
/* oklch */ color: oklch(62.7% 0.225 312.4);
Tailwind
colors: {
  custom: {
    50: '#cf88ef',
    500: '#b551e7',
    950: '#000000',
  },
}
SCSS
$custom: #b551e7;
$custom-light: #cf88ef;
$custom-dark: #000000;
JSON
{
  "hex": "#b551e7",
  "rgb": {
    "r": 181,
    "g": 81,
    "b": 231
  },
  "hsl": {
    "h": 280,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.62662,
    "c": 0.22515,
    "h": 312.4
  },
  "luminance": 0.21478
}

Semantic roles & 50–950 ramp

primary
#B551E7
secondary
#C1E6AE
accent
#D80E51
background
#FDF8FE
surface
#FAF0FD
border
#D3CBD5
text
#140C17
muted
#837D85

Preview Lab

Preview with #B551E7

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

Preview Lab → · Contrast checker → · Palette generator →

#B551E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva