#6B63BB#6B63BB

#6B63BB is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.9% C 0.134 H 285.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#6B63BB
RGBrgb(107, 99, 187)
HSLhsl(245, 39%, 56%)
HSVhsv(245, 47%, 73%)
CMYKcmyk(42.8%, 47.1%, 0%, 26.7%)
CIE-LABlab(46.49, 25.49, -45.51)
CIE-LCHlch(46.49, 52.16, 299.25°)
OKLaboklab(54.89% 0.0351 -0.1289)
OKLCHoklch(54.89% 0.134 285.2)
XYZxyz(19.4923, 15.6366, 48.9952)
Luminance0.1564 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6B63BB #B3BB63
analogous
#6387BB #6B63BB #9763BB
triadic
#6B63BB #BB6B63 #63BB6B
tetradic
#6B63BB #BB6387 #B3BB63 #63BB97
square
#6B63BB #BB6387 #B3BB63 #63BB97
split-complementary
#6B63BB #BB9763 #87BB63
monochromatic
#383272 #4C449D #6B63BB #938ECE #BCB8E0

Accessibility & contrast

On white

5.09
#6B63BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.13
#6B63BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6B63BB
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6B63BB#FFFFFF#000000##FFFFFF
##6B63BB1.005.094.135.09
#FFFFFF5.091.0021.001.00
#0000004.1321.001.0021.00
##FFFFFF5.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4071BE
Deuteranopia (green-blind)
#3E6CB9
Tritanopia (blue-blind)
#537586
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #6b63bb;
/* rgb */ color: rgb(107, 99, 187);
/* oklch */ color: oklch(54.9% 0.134 285.2);
Tailwind
colors: {
  custom: {
    50: '#998fd0',
    500: '#6b63bb',
    950: '#000000',
  },
}
SCSS
$custom: #6b63bb;
$custom-light: #998fd0;
$custom-dark: #000000;
JSON
{
  "hex": "#6b63bb",
  "rgb": {
    "r": 107,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 245.455,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.54885,
    "c": 0.13358,
    "h": 285.2
  },
  "luminance": 0.15637
}

Semantic roles & 50–950 ramp

primary
#6B63BB
secondary
#CCCFAB
accent
#CF59C4
background
#F9F8FC
surface
#F2F0F9
border
#CCCBD2
text
#0E0C14
muted
#7E7D82

Preview Lab

Preview with #6B63BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6B63BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva