#665DD9#665DD9

#665DD9 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.4% C 0.184 H 281.9°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#665DD9
RGB	rgb(102, 93, 217)
HSL	hsl(244, 62%, 61%)
HSV	hsv(244, 57%, 85%)
CMYK	cmyk(53%, 57.1%, 0%, 14.9%)
CIE-LAB	lab(46.53, 37.08, -62.73)
CIE-LCH	lch(46.53, 72.87, 300.59°)
OKLab	oklab(55.42% 0.0377 -0.1796)
OKLCH	oklch(55.42% 0.184 281.9)
XYZ	xyz(21.9144, 15.6619, 67.5005)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DD9 #D0D95D

analogous

#5D92D9 #665DD9 #A45DD9

triadic

#665DD9 #D9665D #5DD966

tetradic

#665DD9 #D95D92 #D0D95D #5DD9A4

square

#665DD9 #D95D92 #D0D95D #5DD9A4

split-complementary

#665DD9 #D9A45D #92D95D

monochromatic

#2C2498 #3A2FCA #665DD9 #958FE5 #C4C0F0

Accessibility & contrast

On white

5.08

#665DD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#665DD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DD9

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DD9	#FFFFFF	#000000	##FFFFFF
##665DD9	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DD

Deuteranopia (green-blind)

#006AD6

Tritanopia (blue-blind)

#347A92

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665dd9;
/* rgb */ color: rgb(102, 93, 217);
/* oklch */ color: oklch(55.4% 0.184 281.9);

Tailwind

colors: {
  custom: {
    50: '#9a8be6',
    500: '#665dd9',
    950: '#000000',
  },
}

SCSS

$custom: #665dd9;
$custom-light: #9a8be6;
$custom-dark: #000000;

JSON

{
  "hex": "#665dd9",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 217
  },
  "hsl": {
    "h": 244.355,
    "s": 62,
    "l": 60.784
  },
  "oklch": {
    "l": 0.55417,
    "c": 0.18356,
    "h": 281.9
  },
  "luminance": 0.15663
}

Semantic roles & 50–950 ramp

primary

#665DD9

secondary

#DDE0B1

accent

#CA1CBD

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665DD9

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

Preview Lab → · Contrast checker → · Palette generator →