#665AD8#665AD8

#665AD8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.8% C 0.186 H 282.7°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#665AD8
RGBrgb(102, 90, 216)
HSLhsl(246, 62%, 60%)
HSVhsv(246, 58%, 85%)
CMYKcmyk(52.8%, 58.3%, 0%, 15.3%)
CIE-LABlab(45.76, 38.56, -63.40)
CIE-LCHlch(45.76, 74.20, 301.31°)
OKLaboklab(54.83% 0.0408 -0.1816)
OKLCHoklch(54.83% 0.186 282.7)
XYZxyz(21.5265, 15.0937, 66.7315)
Luminance0.1510 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665AD8 #CCD85A
analogous
#5A8DD8 #665AD8 #A55AD8
triadic
#665AD8 #D8665A #5AD866
tetradic
#665AD8 #D85A8D #CCD85A #5AD8A5
square
#665AD8 #D85A8D #CCD85A #5AD8A5
split-complementary
#665AD8 #D8A55A #8DD85A
monochromatic
#2E2395 #3D2FC6 #665AD8 #948BE4 #C2BDEF

Accessibility & contrast

On white

5.23
#665AD8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.02
#665AD8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AD8
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665AD8#FFFFFF#000000##FFFFFF
##665AD81.005.234.025.23
#FFFFFF5.231.0021.001.00
#0000004.0221.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0071DC
Deuteranopia (green-blind)
#0068D5
Tritanopia (blue-blind)
#357790
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #665ad8;
/* rgb */ color: rgb(102, 90, 216);
/* oklch */ color: oklch(54.8% 0.186 282.7);
Tailwind
colors: {
  custom: {
    50: '#9a89e5',
    500: '#665ad8',
    950: '#000000',
  },
}
SCSS
$custom: #665ad8;
$custom-light: #9a89e5;
$custom-dark: #000000;
JSON
{
  "hex": "#665ad8",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 216
  },
  "hsl": {
    "h": 245.714,
    "s": 61.765,
    "l": 60
  },
  "oklch": {
    "l": 0.5483,
    "c": 0.18616,
    "h": 282.7
  },
  "luminance": 0.15095
}

Semantic roles & 50–950 ramp

primary
#665AD8
secondary
#DBDFAF
accent
#E543D5
background
#FAF8FE
surface
#F3F0FC
border
#CDCBD5
text
#0F0B16
muted
#7F7C84

Preview Lab

Preview with #665AD8

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

Preview Lab → · Contrast checker → · Palette generator →

#665AD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva