#665FD6#665FD6

#665FD6 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.5% C 0.177 H 281.6°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#665FD6
RGB	rgb(102, 95, 214)
HSL	hsl(244, 59%, 61%)
HSV	hsv(244, 56%, 84%)
CMYK	cmyk(52.3%, 55.6%, 0%, 16.1%)
CIE-LAB	lab(46.79, 34.95, -60.59)
CIE-LCH	lch(46.79, 69.95, 299.98°)
OKLab	oklab(55.55% 0.0356 -0.1733)
OKLCH	oklch(55.55% 0.177 281.6)
XYZ	xyz(21.7056, 15.8630, 65.5234)
Luminance	0.1586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FD6 #CFD65F

analogous

#5F94D6 #665FD6 #A15FD6

triadic

#665FD6 #D6665F #5FD666

tetradic

#665FD6 #D65F94 #CFD65F #5FD6A1

square

#665FD6 #D65F94 #CFD65F #5FD6A1

split-complementary

#665FD6 #D6A15F #94D65F

monochromatic

#2D2695 #3B33C5 #665FD6 #9590E2 #C3C0EF

Accessibility & contrast

On white

5.03

#665FD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#665FD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FD6

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FD6	#FFFFFF	#000000	##FFFFFF
##665FD6	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A73DA

Deuteranopia (green-blind)

#006BD3

Tritanopia (blue-blind)

#377A91

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665fd6;
/* rgb */ color: rgb(102, 95, 214);
/* oklch */ color: oklch(55.5% 0.177 281.6);

Tailwind

colors: {
  custom: {
    50: '#9a8ce3',
    500: '#665fd6',
    950: '#000000',
  },
}

SCSS

$custom: #665fd6;
$custom-light: #9a8ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#665fd6",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 214
  },
  "hsl": {
    "h": 243.529,
    "s": 59.204,
    "l": 60.588
  },
  "oklch": {
    "l": 0.5555,
    "c": 0.17695,
    "h": 281.6
  },
  "luminance": 0.15864
}

Semantic roles & 50–950 ramp

primary

#665FD6

secondary

#DCDFB2

accent

#C71FBD

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665FD6

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

Preview Lab → · Contrast checker → · Palette generator →