#665AD4#665AD4

#665AD4 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.5% C 0.181 H 283.1°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#665AD4
RGB	rgb(102, 90, 212)
HSL	hsl(246, 59%, 59%)
HSV	hsv(246, 58%, 83%)
CMYK	cmyk(51.9%, 57.5%, 0%, 16.9%)
CIE-LAB	lab(45.48, 37.34, -61.57)
CIE-LCH	lch(45.48, 72.00, 301.23°)
OKLab	oklab(54.54% 0.0409 -0.1762)
OKLCH	oklch(54.54% 0.181 283.1)
XYZ	xyz(21.0157, 14.8894, 64.0412)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AD4 #C8D45A

analogous

#5A8BD4 #665AD4 #A35AD4

triadic

#665AD4 #D4665A #5AD466

tetradic

#665AD4 #D45A8B #C8D45A #5AD4A3

square

#665AD4 #D45A8B #C8D45A #5AD4A3

split-complementary

#665AD4 #D4A35A #8BD45A

monochromatic

#2F258E #4032BF #665AD4 #938BE1 #C0BBED

Accessibility & contrast

On white

5.28

#665AD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#665AD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AD4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AD4	#FFFFFF	#000000	##FFFFFF
##665AD4	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D8

Deuteranopia (green-blind)

#0068D1

Tritanopia (blue-blind)

#39768E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665ad4;
/* rgb */ color: rgb(102, 90, 212);
/* oklch */ color: oklch(54.5% 0.181 283.1);

Tailwind

colors: {
  custom: {
    50: '#9a89e2',
    500: '#665ad4',
    950: '#000000',
  },
}

SCSS

$custom: #665ad4;
$custom-light: #9a89e2;
$custom-dark: #000000;

JSON

{
  "hex": "#665ad4",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 212
  },
  "hsl": {
    "h": 245.902,
    "s": 58.654,
    "l": 59.216
  },
  "oklch": {
    "l": 0.54535,
    "c": 0.18092,
    "h": 283.1
  },
  "luminance": 0.14891
}

Semantic roles & 50–950 ramp

primary

#665AD4

secondary

#D8DDAD

accent

#E246D3

background

#FAF8FD

surface

#F3F0FB

border

#CDCBD4

text

#0F0B15

muted

#7F7C83

Preview Lab

Preview with #665AD4

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

Preview Lab → · Contrast checker → · Palette generator →