#665AD5#665AD5

#665AD5 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.6% C 0.182 H 283.0°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#665AD5
RGB	rgb(102, 90, 213)
HSL	hsl(246, 59%, 59%)
HSV	hsv(246, 58%, 84%)
CMYK	cmyk(52.1%, 57.7%, 0%, 16.5%)
CIE-LAB	lab(45.55, 37.64, -62.03)
CIE-LCH	lch(45.55, 72.55, 301.25°)
OKLab	oklab(54.61% 0.0409 -0.1776)
OKLCH	oklch(54.61% 0.182 283)
XYZ	xyz(21.1422, 14.9400, 64.7076)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AD5 #C9D55A

analogous

#5A8CD5 #665AD5 #A45AD5

triadic

#665AD5 #D5665A #5AD566

tetradic

#665AD5 #D55A8C #C9D55A #5AD5A4

square

#665AD5 #D55A8C #C9D55A #5AD5A4

split-complementary

#665AD5 #D5A45A #8CD55A

monochromatic

#2F2590 #3F31C1 #665AD5 #938BE1 #C0BCEE

Accessibility & contrast

On white

5.27

#665AD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#665AD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AD5

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AD5	#FFFFFF	#000000	##FFFFFF
##665AD5	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D9

Deuteranopia (green-blind)

#0068D2

Tritanopia (blue-blind)

#38778F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665ad5;
/* rgb */ color: rgb(102, 90, 213);
/* oklch */ color: oklch(54.6% 0.182 283.0);

Tailwind

colors: {
  custom: {
    50: '#9a89e3',
    500: '#665ad5',
    950: '#000000',
  },
}

SCSS

$custom: #665ad5;
$custom-light: #9a89e3;
$custom-dark: #000000;

JSON

{
  "hex": "#665ad5",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 213
  },
  "hsl": {
    "h": 245.854,
    "s": 59.42,
    "l": 59.412
  },
  "oklch": {
    "l": 0.54608,
    "c": 0.18223,
    "h": 283
  },
  "luminance": 0.14941
}

Semantic roles & 50–950 ramp

primary

#665AD5

secondary

#D9DDAD

accent

#E345D3

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0B15

muted

#7F7C84

Preview Lab

Preview with #665AD5

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

Preview Lab → · Contrast checker → · Palette generator →