#665DC4#665DC4

#665DC4 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.9% C 0.155 H 283.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#665DC4
RGB	rgb(102, 93, 196)
HSL	hsl(245, 47%, 57%)
HSV	hsv(245, 53%, 77%)
CMYK	cmyk(48%, 52.6%, 0%, 23.1%)
CIE-LAB	lab(45.13, 30.65, -52.92)
CIE-LCH	lch(45.13, 61.16, 300.08°)
OKLab	oklab(53.94% 0.0372 -0.1508)
OKLCH	oklch(53.94% 0.155 283.8)
XYZ	xyz(19.3547, 14.6381, 54.0195)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DC4 #BBC45D

analogous

#5D88C4 #665DC4 #9A5DC4

triadic

#665DC4 #C4665D #5DC466

tetradic

#665DC4 #C45D88 #BBC45D #5DC49A

square

#665DC4 #C45D88 #BBC45D #5DC49A

split-complementary

#665DC4 #C49A5D #88C45D

monochromatic

#332C7A #463DA7 #665DC4 #908AD4 #BBB7E5

Accessibility & contrast

On white

5.35

#665DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#665DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DC4

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DC4	#FFFFFF	#000000	##FFFFFF
##665DC4	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296EC8

Deuteranopia (green-blind)

#2367C2

Tritanopia (blue-blind)

#457387

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665dc4;
/* rgb */ color: rgb(102, 93, 196);
/* oklch */ color: oklch(53.9% 0.155 283.8);

Tailwind

colors: {
  custom: {
    50: '#988bd6',
    500: '#665dc4',
    950: '#000000',
  },
}

SCSS

$custom: #665dc4;
$custom-light: #988bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#665dc4",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 196
  },
  "hsl": {
    "h": 245.243,
    "s": 46.606,
    "l": 56.667
  },
  "oklch": {
    "l": 0.53937,
    "c": 0.15532,
    "h": 283.8
  },
  "luminance": 0.14639
}

Semantic roles & 50–950 ramp

primary

#665DC4

secondary

#D0D3A9

accent

#D652CB

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665DC4

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

Preview Lab → · Contrast checker → · Palette generator →