#665CCC#665CCC

#665CCC is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.3% C 0.168 H 283.3°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#665CCC
RGB	rgb(102, 92, 204)
HSL	hsl(245, 52%, 58%)
HSV	hsv(245, 55%, 80%)
CMYK	cmyk(50%, 54.9%, 0%, 20%)
CIE-LAB	lab(45.41, 33.69, -57.09)
CIE-LCH	lch(45.41, 66.29, 300.55°)
OKLab	oklab(54.31% 0.0386 -0.1631)
OKLCH	oklch(54.31% 0.168 283.3)
XYZ	xyz(20.2024, 14.8377, 58.9145)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CCC #C2CC5C

analogous

#5C8ACC #665CCC #9E5CCC

triadic

#665CCC #CC665C #5CCC66

tetradic

#665CCC #CC5C8A #C2CC5C #5CCC9E

square

#665CCC #CC5C8A #C2CC5C #5CCC9E

split-complementary

#665CCC #CC9E5C #8ACC5C

monochromatic

#312984 #4338B3 #665CCC #928BDB #BEB9E9

Accessibility & contrast

On white

5.29

#665CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#665CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CCC

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CCC	#FFFFFF	#000000	##FFFFFF
##665CCC	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186FD0

Deuteranopia (green-blind)

#0B68CA

Tritanopia (blue-blind)

#40758B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665ccc;
/* rgb */ color: rgb(102, 92, 204);
/* oklch */ color: oklch(54.3% 0.168 283.3);

Tailwind

colors: {
  custom: {
    50: '#998adc',
    500: '#665ccc',
    950: '#000000',
  },
}

SCSS

$custom: #665ccc;
$custom-light: #998adc;
$custom-dark: #000000;

JSON

{
  "hex": "#665ccc",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 204
  },
  "hsl": {
    "h": 245.357,
    "s": 52.336,
    "l": 58.039
  },
  "oklch": {
    "l": 0.54309,
    "c": 0.16759,
    "h": 283.3
  },
  "luminance": 0.14839
}

Semantic roles & 50–950 ramp

primary

#665CCC

secondary

#D4D8AC

accent

#DC4CCF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665CCC

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

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