#665ECC#665ECC

#665ECC is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.7% C 0.165 H 282.8°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#665ECC
RGB	rgb(102, 94, 204)
HSL	hsl(244, 52%, 58%)
HSV	hsv(244, 54%, 80%)
CMYK	cmyk(50%, 53.9%, 0%, 20%)
CIE-LAB	lab(45.89, 32.48, -56.32)
CIE-LCH	lch(45.89, 65.01, 299.98°)
OKLab	oklab(54.67% 0.0364 -0.1608)
OKLCH	oklch(54.67% 0.165 282.8)
XYZ	xyz(20.3780, 15.1887, 58.9730)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ECC #C4CC5E

analogous

#5E8DCC #665ECC #9D5ECC

triadic

#665ECC #CC665E #5ECC66

tetradic

#665ECC #CC5E8D #C4CC5E #5ECC9D

square

#665ECC #CC5E8D #C4CC5E #5ECC9D

split-complementary

#665ECC #CC9D5E #8DCC5E

monochromatic

#312A85 #4239B4 #665ECC #928CDB #BEBBE9

Accessibility & contrast

On white

5.20

#665ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#665ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ECC

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ECC	#FFFFFF	#000000	##FFFFFF
##665ECC	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2070D0

Deuteranopia (green-blind)

#1569CA

Tritanopia (blue-blind)

#3F778C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665ecc;
/* rgb */ color: rgb(102, 94, 204);
/* oklch */ color: oklch(54.7% 0.165 282.8);

Tailwind

colors: {
  custom: {
    50: '#998cdc',
    500: '#665ecc',
    950: '#000000',
  },
}

SCSS

$custom: #665ecc;
$custom-light: #998cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#665ecc",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 244.364,
    "s": 51.887,
    "l": 58.431
  },
  "oklch": {
    "l": 0.54667,
    "c": 0.16485,
    "h": 282.8
  },
  "luminance": 0.1519
}

Semantic roles & 50–950 ramp

primary

#665ECC

secondary

#D6D9AD

accent

#DB4CD1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665ECC

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

Preview Lab → · Contrast checker → · Palette generator →