#6367BB#6367BB

#6367BB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.0% C 0.129 H 279.2°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#6367BB
RGBrgb(99, 103, 187)
HSLhsl(237, 39%, 56%)
HSVhsv(237, 47%, 73%)
CMYKcmyk(47.1%, 44.9%, 0%, 26.7%)
CIE-LABlab(46.90, 21.06, -44.91)
CIE-LCHlch(46.90, 49.60, 295.12°)
OKLaboklab(55.03% 0.0206 -0.1273)
OKLCHoklch(55.03% 0.129 279.2)
XYZxyz(18.9628, 15.9400, 49.0816)
Luminance0.1594 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6367BB #BBB763
analogous
#6393BB #6367BB #8B63BB
triadic
#6367BB #BB6367 #67BB63
tetradic
#6367BB #BB6393 #BBB763 #63BB8B
square
#6367BB #BB6393 #BBB763 #63BB8B
split-complementary
#6367BB #BB8B63 #93BB63
monochromatic
#323572 #44489D #6367BB #8E91CE #B8BAE0

Accessibility & contrast

On white

5.01
#6367BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.19
#6367BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6367BB
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6367BB#FFFFFF#000000##FFFFFF
##6367BB1.005.014.195.01
#FFFFFF5.011.0021.001.00
#0000004.1921.001.0021.00
##FFFFFF5.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4573BE
Deuteranopia (green-blind)
#3F6CB9
Tritanopia (blue-blind)
#447988
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #6367bb;
/* rgb */ color: rgb(99, 103, 187);
/* oklch */ color: oklch(55.0% 0.129 279.2);
Tailwind
colors: {
  custom: {
    50: '#9492d0',
    500: '#6367bb',
    950: '#000000',
  },
}
SCSS
$custom: #6367bb;
$custom-light: #9492d0;
$custom-dark: #000000;
JSON
{
  "hex": "#6367bb",
  "rgb": {
    "r": 99,
    "g": 103,
    "b": 187
  },
  "hsl": {
    "h": 237.273,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55032,
    "c": 0.12896,
    "h": 279.2
  },
  "luminance": 0.15941
}

Semantic roles & 50–950 ramp

primary
#6367BB
secondary
#CFCDAB
accent
#CA59CF
background
#F9F8FC
surface
#F2F0F9
border
#CCCBD2
text
#0E0D14
muted
#7E7D82

Preview Lab

Preview with #6367BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6367BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva