#6369DD#6369DD

#6369DD is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.6% C 0.174 H 277.2°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#6369DD
RGBrgb(99, 105, 221)
HSLhsl(237, 64%, 63%)
HSVhsv(237, 55%, 87%)
CMYKcmyk(55.2%, 52.5%, 0%, 13.3%)
CIE-LABlab(49.47, 30.50, -60.26)
CIE-LCHlch(49.47, 67.54, 296.84°)
OKLaboklab(57.64% 0.0219 -0.1724)
OKLCHoklch(57.64% 0.174 277.2)
XYZxyz(23.2442, 17.9747, 70.6372)
Luminance0.1798 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6369DD #DDD763
analogous
#63A6DD #6369DD #9A63DD
triadic
#6369DD #DD6369 #69DD63
tetradic
#6369DD #DD63A6 #DDD763 #63DD9A
square
#6369DD #DD63A6 #DDD763 #63DD9A
split-complementary
#6369DD #DD9A63 #A6DD63
monochromatic
#232AA2 #3139D2 #6369DD #9599E8 #C7CAF3

Accessibility & contrast

On white

4.57
#6369DD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#6369DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6369DD
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6369DD#FFFFFF#000000##000000
##6369DD1.004.574.604.60
#FFFFFF4.571.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#267BE1
Deuteranopia (green-blind)
#0871DB
Tritanopia (blue-blind)
#238399
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #6369dd;
/* rgb */ color: rgb(99, 105, 221);
/* oklch */ color: oklch(57.6% 0.174 277.2);
Tailwind
colors: {
  custom: {
    50: '#9993e8',
    500: '#6369dd',
    950: '#000000',
  },
}
SCSS
$custom: #6369dd;
$custom-light: #9993e8;
$custom-dark: #000000;
JSON
{
  "hex": "#6369dd",
  "rgb": {
    "r": 99,
    "g": 105,
    "b": 221
  },
  "hsl": {
    "h": 237.049,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.57635,
    "c": 0.17377,
    "h": 277.2
  },
  "luminance": 0.17976
}

Semantic roles & 50–950 ramp

primary
#6369DD
secondary
#E4E2B8
accent
#C319CC
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0F0D16
muted
#7E7E84

Preview Lab

Preview with #6369DD

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

Preview Lab → · Contrast checker → · Palette generator →

#6369DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva