#665AD2#665AD2

#665AD2 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.4% C 0.178 H 283.3°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#665AD2
RGB	rgb(102, 90, 210)
HSL	hsl(246, 57%, 59%)
HSV	hsv(246, 57%, 82%)
CMYK	cmyk(51.4%, 57.1%, 0%, 17.6%)
CIE-LAB	lab(45.34, 36.73, -60.64)
CIE-LCH	lch(45.34, 70.90, 301.20°)
OKLab	oklab(54.39% 0.0409 -0.1735)
OKLCH	oklch(54.39% 0.178 283.3)
XYZ	xyz(20.7650, 14.7891, 62.7207)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AD2 #C6D25A

analogous

#5A8AD2 #665AD2 #A25AD2

triadic

#665AD2 #D2665A #5AD266

tetradic

#665AD2 #D25A8A #C6D25A #5AD2A2

square

#665AD2 #D25A8A #C6D25A #5AD2A2

split-complementary

#665AD2 #D2A25A #8AD25A

monochromatic

#30268C #4133BC #665AD2 #938ADF #BFBAEC

Accessibility & contrast

On white

5.31

#665AD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#665AD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AD2

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AD2	#FFFFFF	#000000	##FFFFFF
##665AD2	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0067CF

Tritanopia (blue-blind)

#3B768D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665ad2;
/* rgb */ color: rgb(102, 90, 210);
/* oklch */ color: oklch(54.4% 0.178 283.3);

Tailwind

colors: {
  custom: {
    50: '#9a89e1',
    500: '#665ad2',
    950: '#000000',
  },
}

SCSS

$custom: #665ad2;
$custom-light: #9a89e1;
$custom-dark: #000000;

JSON

{
  "hex": "#665ad2",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 210
  },
  "hsl": {
    "h": 246,
    "s": 57.143,
    "l": 58.824
  },
  "oklch": {
    "l": 0.54389,
    "c": 0.17828,
    "h": 283.3
  },
  "luminance": 0.1479
}

Semantic roles & 50–950 ramp

primary

#665AD2

secondary

#D7DCAC

accent

#E047D1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #665AD2

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

Preview Lab → · Contrast checker → · Palette generator →