#665DDA#665DDA

#665DDA is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.5% C 0.185 H 281.8°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#665DDA
RGB	rgb(102, 93, 218)
HSL	hsl(244, 63%, 61%)
HSV	hsv(244, 57%, 85%)
CMYK	cmyk(53.2%, 57.3%, 0%, 14.5%)
CIE-LAB	lab(46.60, 37.39, -63.19)
CIE-LCH	lch(46.60, 73.42, 300.61°)
OKLab	oklab(55.49% 0.0377 -0.181)
OKLCH	oklch(55.49% 0.185 281.8)
XYZ	xyz(22.0448, 15.7141, 68.1876)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DDA #D1DA5D

analogous

#5D92DA #665DDA #A45DDA

triadic

#665DDA #DA665D #5DDA66

tetradic

#665DDA #DA5D92 #D1DA5D #5DDAA4

square

#665DDA #DA5D92 #D1DA5D #5DDAA4

split-complementary

#665DDA #DAA45D #92DA5D

monochromatic

#2C239A #3A2ECB #665DDA #958FE5 #C4C1F1

Accessibility & contrast

On white

5.07

#665DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#665DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DDA

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DDA	#FFFFFF	#000000	##FFFFFF
##665DDA	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DE

Deuteranopia (green-blind)

#006AD7

Tritanopia (blue-blind)

#337A92

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665dda;
/* rgb */ color: rgb(102, 93, 218);
/* oklch */ color: oklch(55.5% 0.185 281.8);

Tailwind

colors: {
  custom: {
    50: '#9b8be6',
    500: '#665dda',
    950: '#000000',
  },
}

SCSS

$custom: #665dda;
$custom-light: #9b8be6;
$custom-dark: #000000;

JSON

{
  "hex": "#665dda",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 218
  },
  "hsl": {
    "h": 244.32,
    "s": 62.814,
    "l": 60.98
  },
  "oklch": {
    "l": 0.55491,
    "c": 0.18488,
    "h": 281.8
  },
  "luminance": 0.15715
}

Semantic roles & 50–950 ramp

primary

#665DDA

secondary

#DEE1B2

accent

#CB1BBE

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665DDA

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

Preview Lab → · Contrast checker → · Palette generator →