#6368DF#6368DF

#6368DF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.6% C 0.178 H 277.4°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#6368DF
RGBrgb(99, 104, 223)
HSLhsl(238, 66%, 63%)
HSVhsv(238, 56%, 87%)
CMYKcmyk(55.6%, 53.4%, 0%, 12.5%)
CIE-LABlab(49.35, 31.74, -61.58)
CIE-LCHlch(49.35, 69.28, 297.27°)
OKLaboklab(57.59% 0.023 -0.1763)
OKLCHoklch(57.59% 0.178 277.4)
XYZxyz(23.4109, 17.8794, 72.0152)
Luminance0.1788 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6368DF #DFDA63
analogous
#63A6DF #6368DF #9C63DF
triadic
#6368DF #DF6368 #68DF63
tetradic
#6368DF #DF63A6 #DFDA63 #63DF9C
square
#6368DF #DF63A6 #DFDA63 #63DF9C
split-complementary
#6368DF #DF9C63 #A6DF63
monochromatic
#2227A6 #3037D5 #6368DF #9699E9 #C9CAF4

Accessibility & contrast

On white

4.59
#6368DF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.58
#6368DF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6368DF
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6368DF#FFFFFF#000000##FFFFFF
##6368DF1.004.594.584.59
#FFFFFF4.591.0021.001.00
#0000004.5821.001.0021.00
##FFFFFF4.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F7BE3
Deuteranopia (green-blind)
#0070DD
Tritanopia (blue-blind)
#208399
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #6368df;
/* rgb */ color: rgb(99, 104, 223);
/* oklch */ color: oklch(57.6% 0.178 277.4);
Tailwind
colors: {
  custom: {
    50: '#9993ea',
    500: '#6368df',
    950: '#000000',
  },
}
SCSS
$custom: #6368df;
$custom-light: #9993ea;
$custom-dark: #000000;
JSON
{
  "hex": "#6368df",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 223
  },
  "hsl": {
    "h": 237.581,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.5759,
    "c": 0.17777,
    "h": 277.4
  },
  "luminance": 0.17881
}

Semantic roles & 50–950 ramp

primary
#6368DF
secondary
#E5E3B9
accent
#C618CE
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0F0D16
muted
#7E7E84

Preview Lab

Preview with #6368DF

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

Preview Lab → · Contrast checker → · Palette generator →

#6368DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva