#665DDF#665DDF

#665DDF is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.9% C 0.191 H 281.3°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#665DDF
RGBrgb(102, 93, 223)
HSLhsl(244, 67%, 62%)
HSVhsv(244, 58%, 87%)
CMYKcmyk(54.3%, 58.3%, 0%, 12.5%)
CIE-LABlab(46.95, 38.93, -65.46)
CIE-LCHlch(46.95, 76.16, 300.74°)
OKLaboklab(55.86% 0.0376 -0.1877)
OKLCHoklch(55.86% 0.191 281.3)
XYZxyz(22.7090, 15.9798, 71.6855)
Luminance0.1598 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665DDF #D6DF5D
analogous
#5D95DF #665DDF #A75DDF
triadic
#665DDF #DF665D #5DDF66
tetradic
#665DDF #DF5D95 #D6DF5D #5DDFA7
square
#665DDF #DF5D95 #D6DF5D #5DDFA7
split-complementary
#665DDF #DFA75D #95DF5D
monochromatic
#2920A2 #362AD5 #665DDF #9690E9 #C7C3F3

Accessibility & contrast

On white

5.00
#665DDF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.20
#665DDF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DDF
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665DDF#FFFFFF#000000##FFFFFF
##665DDF1.005.004.205.00
#FFFFFF5.001.0021.001.00
#0000004.2021.001.0021.00
##FFFFFF5.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0074E3
Deuteranopia (green-blind)
#006BDC
Tritanopia (blue-blind)
#2D7C95
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #665ddf;
/* rgb */ color: rgb(102, 93, 223);
/* oklch */ color: oklch(55.9% 0.191 281.3);
Tailwind
colors: {
  custom: {
    50: '#9b8bea',
    500: '#665ddf',
    950: '#000000',
  },
}
SCSS
$custom: #665ddf;
$custom-light: #9b8bea;
$custom-dark: #000000;
JSON
{
  "hex": "#665ddf",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 223
  },
  "hsl": {
    "h": 244.154,
    "s": 67.01,
    "l": 61.961
  },
  "oklch": {
    "l": 0.55861,
    "c": 0.19141,
    "h": 281.3
  },
  "luminance": 0.15981
}

Semantic roles & 50–950 ramp

primary
#665DDF
secondary
#E1E4B4
accent
#CF17C2
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#0F0C16
muted
#7F7D84

Preview Lab

Preview with #665DDF

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

Preview Lab → · Contrast checker → · Palette generator →

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