#665DDE#665DDE

#665DDE is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.8% C 0.190 H 281.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#665DDE
RGBrgb(102, 93, 222)
HSLhsl(244, 66%, 62%)
HSVhsv(244, 58%, 87%)
CMYKcmyk(54.1%, 58.1%, 0%, 12.9%)
CIE-LABlab(46.88, 38.62, -65.00)
CIE-LCHlch(46.88, 75.61, 300.72°)
OKLaboklab(55.79% 0.0377 -0.1863)
OKLCHoklch(55.79% 0.19 281.4)
XYZxyz(22.5746, 15.9260, 70.9776)
Luminance0.1593 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665DDE #D5DE5D
analogous
#5D95DE #665DDE #A75DDE
triadic
#665DDE #DE665D #5DDE66
tetradic
#665DDE #DE5D95 #D5DE5D #5DDEA7
square
#665DDE #DE5D95 #D5DE5D #5DDEA7
split-complementary
#665DDE #DEA75D #95DE5D
monochromatic
#2921A0 #372BD3 #665DDE #9690E8 #C6C3F3

Accessibility & contrast

On white

5.02
#665DDE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.19
#665DDE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DDE
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665DDE#FFFFFF#000000##FFFFFF
##665DDE1.005.024.195.02
#FFFFFF5.021.0021.001.00
#0000004.1921.001.0021.00
##FFFFFF5.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0074E2
Deuteranopia (green-blind)
#006ADB
Tritanopia (blue-blind)
#2E7B94
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #665dde;
/* rgb */ color: rgb(102, 93, 222);
/* oklch */ color: oklch(55.8% 0.190 281.4);
Tailwind
colors: {
  custom: {
    50: '#9b8be9',
    500: '#665dde',
    950: '#000000',
  },
}
SCSS
$custom: #665dde;
$custom-light: #9b8be9;
$custom-dark: #000000;
JSON
{
  "hex": "#665dde",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 222
  },
  "hsl": {
    "h": 244.186,
    "s": 66.154,
    "l": 61.765
  },
  "oklch": {
    "l": 0.55786,
    "c": 0.19011,
    "h": 281.4
  },
  "luminance": 0.15927
}

Semantic roles & 50–950 ramp

primary
#665DDE
secondary
#E0E3B4
accent
#CE17C1
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#0F0C16
muted
#7F7D84

Preview Lab

Preview with #665DDE

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

Preview Lab → · Contrast checker → · Palette generator →

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