#6653BB#6653BB

#6653BB is a mid, vivid violet. Relative luminance 0.126; OKLCH L 51.5% C 0.157 H 288.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#6653BB
RGBrgb(102, 83, 187)
HSLhsl(251, 43%, 53%)
HSVhsv(251, 56%, 73%)
CMYKcmyk(45.5%, 55.6%, 0%, 26.7%)
CIE-LABlab(42.15, 34.01, -52.49)
CIE-LCHlch(42.15, 62.55, 302.94°)
OKLaboklab(51.53% 0.0486 -0.1496)
OKLCHoklch(51.53% 0.157 288)
XYZxyz(17.5398, 12.5985, 48.5116)
Luminance0.1260 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6653BB #A8BB53
analogous
#5374BB #6653BB #9A53BB
triadic
#6653BB #BB6653 #53BB66
tetradic
#6653BB #BB5374 #A8BB53 #53BB9A
square
#6653BB #BB5374 #A8BB53 #53BB9A
split-complementary
#6653BB #BB9A53 #74BB53
monochromatic
#362A6A #4C3B96 #6653BB #8D7FCC #B4ABDE

Accessibility & contrast

On white

5.97
#6653BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.52
#6653BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6653BB
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6653BB#FFFFFF#000000##FFFFFF
##6653BB1.005.973.525.97
#FFFFFF5.971.0021.001.00
#0000003.5221.001.0021.00
##FFFFFF5.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1966BF
Deuteranopia (green-blind)
#1961B9
Tritanopia (blue-blind)
#4C6A7F
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #6653bb;
/* rgb */ color: rgb(102, 83, 187);
/* oklch */ color: oklch(51.5% 0.157 288.0);
Tailwind
colors: {
  custom: {
    50: '#9784d0',
    500: '#6653bb',
    950: '#000000',
  },
}
SCSS
$custom: #6653bb;
$custom-light: #9784d0;
$custom-dark: #000000;
JSON
{
  "hex": "#6653bb",
  "rgb": {
    "r": 102,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 250.962,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51533,
    "c": 0.15727,
    "h": 288
  },
  "luminance": 0.12599
}

Semantic roles & 50–950 ramp

primary
#6653BB
secondary
#C3CB9E
accent
#D355BC
background
#F9F8FC
surface
#F2EFF9
border
#CCCAD2
text
#0E0B14
muted
#7E7C82

Preview Lab

Preview with #6653BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6653BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva