#665BDC#665BDC

#665BDC is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.3% C 0.190 H 282.1°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#665BDC
RGB	rgb(102, 91, 220)
HSL	hsl(245, 65%, 61%)
HSV	hsv(245, 59%, 86%)
CMYK	cmyk(53.6%, 58.6%, 0%, 13.7%)
CIE-LAB	lab(46.28, 39.19, -64.84)
CIE-LCH	lch(46.28, 75.77, 301.15°)
OKLab	oklab(55.3% 0.0397 -0.1859)
OKLCH	oklch(55.3% 0.19 282.1)
XYZ	xyz(22.1349, 15.4729, 69.5165)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BDC #D1DC5B

analogous

#5B90DC #665BDC #A65BDC

triadic

#665BDC #DC665B #5BDC66

tetradic

#665BDC #DC5B90 #D1DC5B #5BDCA6

square

#665BDC #DC5B90 #D1DC5B #5BDCA6

split-complementary

#665BDC #DCA65B #90DC5B

monochromatic

#2C219B #3A2CCE #665BDC #958DE7 #C4C0F2

Accessibility & contrast

On white

5.13

#665BDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#665BDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BDC

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

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

#0072E0

Deuteranopia (green-blind)

#0069D9

Tritanopia (blue-blind)

#317993

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665bdc;
/* rgb */ color: rgb(102, 91, 220);
/* oklch */ color: oklch(55.3% 0.190 282.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#665bdc",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 220
  },
  "hsl": {
    "h": 245.116,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.55298,
    "c": 0.19007,
    "h": 282.1
  },
  "luminance": 0.15474
}

Semantic roles & 50–950 ramp

primary

#665BDC

secondary

#DEE2B1

accent

#CD19BD

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #665BDC

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

Preview Lab → · Contrast checker → · Palette generator →