#665CC8#665CC8

#665CC8 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 54.0% C 0.162 H 283.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#665CC8
RGB	rgb(102, 92, 200)
HSL	hsl(246, 50%, 57%)
HSV	hsv(246, 54%, 78%)
CMYK	cmyk(49%, 54%, 0%, 21.6%)
CIE-LAB	lab(45.15, 32.47, -55.21)
CIE-LCH	lch(45.15, 64.05, 300.46°)
OKLab	oklab(54.03% 0.0385 -0.1575)
OKLCH	oklch(54.03% 0.162 283.7)
XYZ	xyz(19.7288, 14.6482, 56.4202)
Luminance	0.1465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CC8 #BEC85C

analogous

#5C88C8 #665CC8 #9C5CC8

triadic

#665CC8 #C8665C #5CC866

tetradic

#665CC8 #C85C88 #BEC85C #5CC89C

square

#665CC8 #C85C88 #BEC85C #5CC89C

split-complementary

#665CC8 #C89C5C #88C85C

monochromatic

#332B7F #453AAD #665CC8 #918AD7 #BCB8E7

Accessibility & contrast

On white

5.34

#665CC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#665CC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CC8

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CC8	#FFFFFF	#000000	##FFFFFF
##665CC8	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206ECC

Deuteranopia (green-blind)

#1867C6

Tritanopia (blue-blind)

#437489

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665cc8;
/* rgb */ color: rgb(102, 92, 200);
/* oklch */ color: oklch(54.0% 0.162 283.7);

Tailwind

colors: {
  custom: {
    50: '#988ad9',
    500: '#665cc8',
    950: '#000000',
  },
}

SCSS

$custom: #665cc8;
$custom-light: #988ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#665cc8",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 200
  },
  "hsl": {
    "h": 245.556,
    "s": 49.541,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5403,
    "c": 0.16218,
    "h": 283.7
  },
  "luminance": 0.14649
}

Semantic roles & 50–950 ramp

primary

#665CC8

secondary

#D2D6AA

accent

#D94FCC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665CC8

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

Preview Lab → · Contrast checker → · Palette generator →