#665CDD#665CDD

#665CDD is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.5% C 0.190 H 281.7°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#665CDD
RGB	rgb(102, 92, 221)
HSL	hsl(245, 65%, 61%)
HSV	hsv(245, 58%, 87%)
CMYK	cmyk(53.8%, 58.4%, 0%, 13.3%)
CIE-LAB	lab(46.58, 38.91, -64.93)
CIE-LCH	lch(46.58, 75.69, 300.93°)
OKLab	oklab(55.54% 0.0387 -0.1861)
OKLCH	oklch(55.54% 0.19 281.7)
XYZ	xyz(22.3538, 15.6982, 70.2447)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CDD #D3DD5C

analogous

#5C93DD #665CDD #A75CDD

triadic

#665CDD #DD665C #5CDD66

tetradic

#665CDD #DD5C93 #D3DD5C #5CDDA7

square

#665CDD #DD5C93 #D3DD5C #5CDDA7

split-complementary

#665CDD #DDA75C #93DD5C

monochromatic

#2B219E #382BD0 #665CDD #968FE8 #C5C1F2

Accessibility & contrast

On white

5.07

#665CDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#665CDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CDD

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CDD	#FFFFFF	#000000	##FFFFFF
##665CDD	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)

#0073E1

Deuteranopia (green-blind)

#006ADA

Tritanopia (blue-blind)

#307A94

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665cdd;
/* rgb */ color: rgb(102, 92, 221);
/* oklch */ color: oklch(55.5% 0.190 281.7);

Tailwind

colors: {
  custom: {
    50: '#9b8ae8',
    500: '#665cdd',
    950: '#000000',
  },
}

SCSS

$custom: #665cdd;
$custom-light: #9b8ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#665cdd",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 221
  },
  "hsl": {
    "h": 244.651,
    "s": 65.482,
    "l": 61.373
  },
  "oklch": {
    "l": 0.55542,
    "c": 0.19009,
    "h": 281.7
  },
  "luminance": 0.157
}

Semantic roles & 50–950 ramp

primary

#665CDD

secondary

#DFE3B2

accent

#CD18BF

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665CDD

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

Preview Lab → · Contrast checker → · Palette generator →