#665BE8#665BE8

#665BE8 is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.2% C 0.205 H 281.0°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#665BE8
RGBrgb(102, 91, 232)
HSLhsl(245, 75%, 63%)
HSVhsv(245, 61%, 91%)
CMYKcmyk(56%, 60.8%, 0%, 9%)
CIE-LABlab(47.15, 42.88, -70.22)
CIE-LCHlch(47.15, 82.28, 301.41°)
OKLaboklab(56.21% 0.0392 -0.2017)
OKLCHoklch(56.21% 0.205 281)
XYZxyz(23.7815, 16.1316, 78.1888)
Luminance0.1613 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665BE8 #DDE85B
analogous
#5B96E8 #665BE8 #AC5BE8
triadic
#665BE8 #E8665B #5BE866
tetradic
#665BE8 #E85B96 #DDE85B #5BE8AC
square
#665BE8 #E85B96 #DDE85B #5BE8AC
split-complementary
#665BE8 #E8AC5B #96E85B
monochromatic
#2419B0 #3425E0 #665BE8 #9891F0 #CAC6F7

Accessibility & contrast

On white

4.97
#665BE8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.23
#665BE8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BE8
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665BE8#FFFFFF#000000##FFFFFF
##665BE81.004.974.234.97
#FFFFFF4.971.0021.001.00
#0000004.2321.001.0021.00
##FFFFFF4.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0075ED
Deuteranopia (green-blind)
#006BE5
Tritanopia (blue-blind)
#207D99
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #665be8;
/* rgb */ color: rgb(102, 91, 232);
/* oklch */ color: oklch(56.2% 0.205 281.0);
Tailwind
colors: {
  custom: {
    50: '#9d8af0',
    500: '#665be8',
    950: '#000000',
  },
}
SCSS
$custom: #665be8;
$custom-light: #9d8af0;
$custom-dark: #000000;
JSON
{
  "hex": "#665be8",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 232
  },
  "hsl": {
    "h": 244.681,
    "s": 75.401,
    "l": 63.333
  },
  "oklch": {
    "l": 0.56212,
    "c": 0.20548,
    "h": 281
  },
  "luminance": 0.16133
}

Semantic roles & 50–950 ramp

primary
#665BE8
secondary
#E5E9B6
accent
#D80EC8
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#0F0C17
muted
#7F7D85

Preview Lab

Preview with #665BE8

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

Preview Lab → · Contrast checker → · Palette generator →

#665BE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva