#665DCD#665DCD

#665DCD is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.6% C 0.168 H 283.0°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#665DCD
RGB	rgb(102, 93, 205)
HSL	hsl(245, 53%, 58%)
HSV	hsv(245, 55%, 80%)
CMYK	cmyk(50.2%, 54.6%, 0%, 19.6%)
CIE-LAB	lab(45.72, 33.39, -57.17)
CIE-LCH	lch(45.72, 66.21, 300.29°)
OKLab	oklab(54.56% 0.0376 -0.1633)
OKLCH	oklch(54.56% 0.168 283)
XYZ	xyz(20.4100, 15.0602, 59.5772)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DCD #C4CD5D

analogous

#5D8CCD #665DCD #9E5DCD

triadic

#665DCD #CD665D #5DCD66

tetradic

#665DCD #CD5D8C #C4CD5D #5DCD9E

square

#665DCD #CD5D8C #C4CD5D #5DCD9E

split-complementary

#665DCD #CD9E5D #8CCD5D

monochromatic

#312986 #4238B5 #665DCD #928CDB #BEBBEA

Accessibility & contrast

On white

5.23

#665DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#665DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DCD

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DCD	#FFFFFF	#000000	##FFFFFF
##665DCD	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A70D1

Deuteranopia (green-blind)

#0C68CB

Tritanopia (blue-blind)

#3F768C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665dcd;
/* rgb */ color: rgb(102, 93, 205);
/* oklch */ color: oklch(54.6% 0.168 283.0);

Tailwind

colors: {
  custom: {
    50: '#998bdd',
    500: '#665dcd',
    950: '#000000',
  },
}

SCSS

$custom: #665dcd;
$custom-light: #998bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#665dcd",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 205
  },
  "hsl": {
    "h": 244.821,
    "s": 52.83,
    "l": 58.431
  },
  "oklch": {
    "l": 0.54558,
    "c": 0.16758,
    "h": 283
  },
  "luminance": 0.15061
}

Semantic roles & 50–950 ramp

primary

#665DCD

secondary

#D6D9AD

accent

#DC4CD1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665DCD

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

Preview Lab → · Contrast checker → · Palette generator →