#665ED0#665ED0

#665ED0 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.9% C 0.170 H 282.4°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#665ED0
RGB	rgb(102, 94, 208)
HSL	hsl(244, 55%, 59%)
HSV	hsv(244, 55%, 82%)
CMYK	cmyk(51%, 54.8%, 0%, 18.4%)
CIE-LAB	lab(46.15, 33.71, -58.19)
CIE-LCH	lch(46.15, 67.25, 300.08°)
OKLab	oklab(54.95% 0.0366 -0.1663)
OKLCH	oklch(54.95% 0.17 282.4)
XYZ	xyz(20.8639, 15.3831, 61.5321)
Luminance	0.1538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ED0 #C8D05E

analogous

#5E8FD0 #665ED0 #9F5ED0

triadic

#665ED0 #D0665E #5ED066

tetradic

#665ED0 #D05E8F #C8D05E #5ED09F

square

#665ED0 #D05E8F #C8D05E #5ED09F

split-complementary

#665ED0 #D09F5E #8FD05E

monochromatic

#2F298B #4036BA #665ED0 #938DDE #C0BDEC

Accessibility & contrast

On white

5.15

#665ED0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#665ED0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ED0

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ED0	#FFFFFF	#000000	##FFFFFF
##665ED0	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1771D4

Deuteranopia (green-blind)

#0469CE

Tritanopia (blue-blind)

#3C788E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665ed0;
/* rgb */ color: rgb(102, 94, 208);
/* oklch */ color: oklch(54.9% 0.170 282.4);

Tailwind

colors: {
  custom: {
    50: '#998cdf',
    500: '#665ed0',
    950: '#000000',
  },
}

SCSS

$custom: #665ed0;
$custom-light: #998cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#665ed0",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 208
  },
  "hsl": {
    "h": 244.211,
    "s": 54.808,
    "l": 59.216
  },
  "oklch": {
    "l": 0.54947,
    "c": 0.17026,
    "h": 282.4
  },
  "luminance": 0.15384
}

Semantic roles & 50–950 ramp

primary

#665ED0

secondary

#D8DBAF

accent

#DE4AD4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0C15

muted

#7E7D83

Preview Lab

Preview with #665ED0

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

Preview Lab → · Contrast checker → · Palette generator →