#665FFE#665FFE

#665FFE is a mid, highly saturated blue. Relative luminance 0.182; OKLCH L 58.6% C 0.228 H 278.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#665FFE
RGBrgb(102, 95, 254)
HSLhsl(243, 99%, 68%)
HSVhsv(243, 63%, 100%)
CMYKcmyk(59.8%, 62.6%, 0%, 0.4%)
CIE-LABlab(49.69, 47.36, -78.39)
CIE-LCHlch(49.69, 91.58, 301.14°)
OKLaboklab(58.59% 0.0343 -0.2257)
OKLCHoklch(58.59% 0.228 278.6)
XYZxyz(27.4554, 18.1629, 95.8057)
Luminance0.1817 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665FFE #F7FE5F
analogous
#5FA7FE #665FFE #B65FFE
triadic
#665FFE #FE665F #5FFE66
tetradic
#665FFE #FE5FA7 #F7FE5F #5FFEB6
square
#665FFE #FE5FA7 #F7FE5F #5FFEB6
split-complementary
#665FFE #FEB65F #A7FE5F
monochromatic
#0B01E1 #2C22FE #665FFE #A09CFE #DAD9FF

Accessibility & contrast

On white

4.53
#665FFE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#665FFE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #665FFE
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665FFE#FFFFFF#000000##000000
##665FFE1.004.534.634.63
#FFFFFF4.531.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#007DFF
Deuteranopia (green-blind)
#0070FB
Tritanopia (blue-blind)
#0087A6
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #665ffe;
/* rgb */ color: rgb(102, 95, 254);
/* oklch */ color: oklch(58.6% 0.228 278.6);
Tailwind
colors: {
  custom: {
    50: '#a08dff',
    500: '#665ffe',
    950: '#000000',
  },
}
SCSS
$custom: #665ffe;
$custom-light: #a08dff;
$custom-dark: #000000;
JSON
{
  "hex": "#665ffe",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 254
  },
  "hsl": {
    "h": 242.642,
    "s": 98.758,
    "l": 68.431
  },
  "oklch": {
    "l": 0.58594,
    "c": 0.22825,
    "h": 278.6
  },
  "luminance": 0.18165
}

Semantic roles & 50–950 ramp

primary
#665FFE
secondary
#F2F4C4
accent
#E600DB
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C18
muted
#7F7D86

Preview Lab

Preview with #665FFE

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

Preview Lab → · Contrast checker → · Palette generator →

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