#665DDC#665DDC

#665DDC is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.6% C 0.188 H 281.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#665DDC
RGB	rgb(102, 93, 220)
HSL	hsl(244, 64%, 61%)
HSV	hsv(244, 58%, 86%)
CMYK	cmyk(53.6%, 57.7%, 0%, 13.7%)
CIE-LAB	lab(46.74, 38.01, -64.10)
CIE-LCH	lch(46.74, 74.52, 300.67°)
OKLab	oklab(55.64% 0.0377 -0.1837)
OKLCH	oklch(55.64% 0.188 281.6)
XYZ	xyz(22.3081, 15.8194, 69.5742)
Luminance	0.1582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DDC #D3DC5D

analogous

#5D94DC #665DDC #A65DDC

triadic

#665DDC #DC665D #5DDC66

tetradic

#665DDC #DC5D94 #D3DC5D #5DDCA6

square

#665DDC #DC5D94 #D3DC5D #5DDCA6

split-complementary

#665DDC #DCA65D #94DC5D

monochromatic

#2B229D #382DCF #665DDC #968FE7 #C5C2F2

Accessibility & contrast

On white

5.04

#665DDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#665DDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DDC

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DDC	#FFFFFF	#000000	##FFFFFF
##665DDC	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E0

Deuteranopia (green-blind)

#006AD9

Tritanopia (blue-blind)

#317B93

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665ddc;
/* rgb */ color: rgb(102, 93, 220);
/* oklch */ color: oklch(55.6% 0.188 281.6);

Tailwind

colors: {
  custom: {
    50: '#9b8be8',
    500: '#665ddc',
    950: '#000000',
  },
}

SCSS

$custom: #665ddc;
$custom-light: #9b8be8;
$custom-dark: #000000;

JSON

{
  "hex": "#665ddc",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 220
  },
  "hsl": {
    "h": 244.252,
    "s": 64.467,
    "l": 61.373
  },
  "oklch": {
    "l": 0.55638,
    "c": 0.1875,
    "h": 281.6
  },
  "luminance": 0.15821
}

Semantic roles & 50–950 ramp

primary

#665DDC

secondary

#DFE2B3

accent

#CC19C0

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665DDC

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

Preview Lab → · Contrast checker → · Palette generator →