#665DCA#665DCA

#665DCA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.3% C 0.164 H 283.2°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX#665DCA
RGBrgb(102, 93, 202)
HSLhsl(245, 51%, 58%)
HSVhsv(245, 54%, 79%)
CMYKcmyk(49.5%, 54%, 0%, 20.8%)
CIE-LABlab(45.52, 32.48, -55.77)
CIE-LCHlch(45.52, 64.53, 300.22°)
OKLaboklab(54.35% 0.0375 -0.1592)
OKLCHoklch(54.35% 0.164 283.2)
XYZxyz(20.0513, 14.9167, 57.6883)
Luminance0.1492 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665DCA #C1CA5D
analogous
#5D8ACA #665DCA #9C5DCA
triadic
#665DCA #CA665D #5DCA66
tetradic
#665DCA #CA5D8A #C1CA5D #5DCA9C
square
#665DCA #CA5D8A #C1CA5D #5DCA9C
split-complementary
#665DCA #CA9C5D #8ACA5D
monochromatic
#322B82 #433AB0 #665DCA #928BD9 #BDB9E8

Accessibility & contrast

On white

5.27
#665DCA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.98
#665DCA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DCA
5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665DCA#FFFFFF#000000##FFFFFF
##665DCA1.005.273.985.27
#FFFFFF5.271.0021.001.00
#0000003.9821.001.0021.00
##FFFFFF5.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#206FCE
Deuteranopia (green-blind)
#1768C8
Tritanopia (blue-blind)
#41758A
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #665dca;
/* rgb */ color: rgb(102, 93, 202);
/* oklch */ color: oklch(54.3% 0.164 283.2);
Tailwind
colors: {
  custom: {
    50: '#988bdb',
    500: '#665dca',
    950: '#000000',
  },
}
SCSS
$custom: #665dca;
$custom-light: #988bdb;
$custom-dark: #000000;
JSON
{
  "hex": "#665dca",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 202
  },
  "hsl": {
    "h": 244.954,
    "s": 50.698,
    "l": 57.843
  },
  "oklch": {
    "l": 0.54348,
    "c": 0.16352,
    "h": 283.2
  },
  "luminance": 0.14918
}

Semantic roles & 50–950 ramp

primary
#665DCA
secondary
#D4D7AC
accent
#DA4ECF
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0E0C15
muted
#7E7D83

Preview Lab

Preview with #665DCA

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

Preview Lab → · Contrast checker → · Palette generator →

#665DCA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva