#665FBE#665FBE

#665FBE is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.9% C 0.144 H 283.8°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX#665FBE
RGBrgb(102, 95, 190)
HSLhsl(244, 42%, 56%)
HSVhsv(244, 50%, 75%)
CMYKcmyk(46.3%, 50%, 0%, 25.5%)
CIE-LABlab(45.26, 27.61, -49.25)
CIE-LCHlch(45.26, 56.47, 299.28°)
OKLaboklab(53.91% 0.0343 -0.14)
OKLCHoklch(53.91% 0.144 283.8)
XYZxyz(18.8632, 14.7260, 50.5537)
Luminance0.1473 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665FBE #B7BE5F
analogous
#5F87BE #665FBE #955FBE
triadic
#665FBE #BE665F #5FBE66
tetradic
#665FBE #BE5F87 #B7BE5F #5FBE95
square
#665FBE #BE5F87 #B7BE5F #5FBE95
split-complementary
#665FBE #BE955F #87BE5F
monochromatic
#342F74 #48419F #665FBE #908BD0 #B9B6E1

Accessibility & contrast

On white

5.32
#665FBE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.95
#665FBE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FBE
5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665FBE#FFFFFF#000000##FFFFFF
##665FBE1.005.323.955.32
#FFFFFF5.321.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#356EC1
Deuteranopia (green-blind)
#3068BC
Tritanopia (blue-blind)
#497385
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #665fbe;
/* rgb */ color: rgb(102, 95, 190);
/* oklch */ color: oklch(53.9% 0.144 283.8);
Tailwind
colors: {
  custom: {
    50: '#978cd2',
    500: '#665fbe',
    950: '#000000',
  },
}
SCSS
$custom: #665fbe;
$custom-light: #978cd2;
$custom-dark: #000000;
JSON
{
  "hex": "#665fbe",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 190
  },
  "hsl": {
    "h": 244.421,
    "s": 42.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.53909,
    "c": 0.14416,
    "h": 283.8
  },
  "luminance": 0.14727
}

Semantic roles & 50–950 ramp

primary
#665FBE
secondary
#CDD0A9
accent
#D256C9
background
#F9F8FD
surface
#F2F0FA
border
#CCCBD3
text
#0E0C14
muted
#7E7D83

Preview Lab

Preview with #665FBE

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

Preview Lab → · Contrast checker → · Palette generator →

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