#665DE5#665DE5

#665DE5 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 56.3% C 0.199 H 280.8°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#665DE5
RGB	rgb(102, 93, 229)
HSL	hsl(244, 72%, 63%)
HSV	hsv(244, 59%, 90%)
CMYK	cmyk(55.5%, 59.4%, 0%, 10.2%)
CIE-LAB	lab(47.38, 40.78, -68.16)
CIE-LCH	lch(47.38, 79.43, 300.90°)
OKLab	oklab(56.31% 0.0375 -0.1956)
OKLCH	oklch(56.31% 0.199 280.8)
XYZ	xyz(23.5323, 16.3091, 76.0215)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DE5 #DCE55D

analogous

#5D98E5 #665DE5 #AA5DE5

triadic

#665DE5 #E5665D #5DE566

tetradic

#665DE5 #E55D98 #DCE55D #5DE5AA

square

#665DE5 #E55D98 #DCE55D #5DE5AA

split-complementary

#665DE5 #E5AA5D #98E55D

monochromatic

#251CAC #3428DD #665DE5 #9892ED #CAC6F6

Accessibility & contrast

On white

4.93

#665DE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#665DE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DE5

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DE5	#FFFFFF	#000000	##FFFFFF
##665DE5	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E9

Deuteranopia (green-blind)

#006BE2

Tritanopia (blue-blind)

#257E98

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #665de5;
/* rgb */ color: rgb(102, 93, 229);
/* oklch */ color: oklch(56.3% 0.199 280.8);

Tailwind

colors: {
  custom: {
    50: '#9c8bee',
    500: '#665de5',
    950: '#000000',
  },
}

SCSS

$custom: #665de5;
$custom-light: #9c8bee;
$custom-dark: #000000;

JSON

{
  "hex": "#665de5",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 229
  },
  "hsl": {
    "h": 243.971,
    "s": 72.34,
    "l": 63.137
  },
  "oklch": {
    "l": 0.56313,
    "c": 0.19917,
    "h": 280.8
  },
  "luminance": 0.16311
}

Semantic roles & 50–950 ramp

primary

#665DE5

secondary

#E4E7B7

accent

#D411C7

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665DE5

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

Preview Lab → · Contrast checker → · Palette generator →