#665DD5#665DD5

#665DD5 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.1% C 0.178 H 282.2°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#665DD5
RGB	rgb(102, 93, 213)
HSL	hsl(245, 59%, 60%)
HSV	hsv(245, 56%, 84%)
CMYK	cmyk(52.1%, 56.3%, 0%, 16.5%)
CIE-LAB	lab(46.25, 35.85, -60.89)
CIE-LCH	lch(46.25, 70.66, 300.49°)
OKLab	oklab(55.13% 0.0377 -0.1742)
OKLCH	oklch(55.13% 0.178 282.2)
XYZ	xyz(21.4004, 15.4564, 64.7936)
Luminance	0.1546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DD5 #CCD55D

analogous

#5D90D5 #665DD5 #A25DD5

triadic

#665DD5 #D5665D #5DD566

tetradic

#665DD5 #D55D90 #CCD55D #5DD5A2

square

#665DD5 #D55D90 #CCD55D #5DD5A2

split-complementary

#665DD5 #D5A25D #90D55D

monochromatic

#2E2692 #3D32C2 #665DD5 #948EE2 #C2BEEE

Accessibility & contrast

On white

5.13

#665DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#665DD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DD5

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DD5	#FFFFFF	#000000	##FFFFFF
##665DD5	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072D9

Deuteranopia (green-blind)

#0069D2

Tritanopia (blue-blind)

#387990

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665dd5;
/* rgb */ color: rgb(102, 93, 213);
/* oklch */ color: oklch(55.1% 0.178 282.2);

Tailwind

colors: {
  custom: {
    50: '#9a8be3',
    500: '#665dd5',
    950: '#000000',
  },
}

SCSS

$custom: #665dd5;
$custom-light: #9a8be3;
$custom-dark: #000000;

JSON

{
  "hex": "#665dd5",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 213
  },
  "hsl": {
    "h": 244.5,
    "s": 58.824,
    "l": 60
  },
  "oklch": {
    "l": 0.55127,
    "c": 0.17827,
    "h": 282.2
  },
  "luminance": 0.15458
}

Semantic roles & 50–950 ramp

primary

#665DD5

secondary

#DBDEB0

accent

#E246D6

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C15

muted

#7F7D84

Preview Lab

Preview with #665DD5

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

Preview Lab → · Contrast checker → · Palette generator →