#665FCA#665FCA

#665FCA is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.7% C 0.161 H 282.6°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#665FCA
RGB	rgb(102, 95, 202)
HSL	hsl(244, 50%, 58%)
HSV	hsv(244, 53%, 79%)
CMYK	cmyk(49.5%, 53%, 0%, 20.8%)
CIE-LAB	lab(46.01, 31.26, -54.99)
CIE-LCH	lch(46.01, 63.25, 299.62°)
OKLab	oklab(54.71% 0.0352 -0.1569)
OKLCH	oklch(54.71% 0.161 282.6)
XYZ	xyz(20.2292, 15.2724, 57.7476)
Luminance	0.1527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FCA #C3CA5F

analogous

#5F8DCA #665FCA #9B5FCA

triadic

#665FCA #CA665F #5FCA66

tetradic

#665FCA #CA5F8D #C3CA5F #5FCA9B

square

#665FCA #CA5F8D #C3CA5F #5FCA9B

split-complementary

#665FCA #CA9B5F #8DCA5F

monochromatic

#312B83 #423BB1 #665FCA #928DD9 #BEBBE8

Accessibility & contrast

On white

5.18

#665FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#665FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FCA

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FCA	#FFFFFF	#000000	##FFFFFF
##665FCA	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2671CE

Deuteranopia (green-blind)

#1E69C8

Tritanopia (blue-blind)

#41778B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665fca;
/* rgb */ color: rgb(102, 95, 202);
/* oklch */ color: oklch(54.7% 0.161 282.6);

Tailwind

colors: {
  custom: {
    50: '#988cdb',
    500: '#665fca',
    950: '#000000',
  },
}

SCSS

$custom: #665fca;
$custom-light: #988cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#665fca",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 202
  },
  "hsl": {
    "h": 243.925,
    "s": 50.235,
    "l": 58.235
  },
  "oklch": {
    "l": 0.5471,
    "c": 0.16076,
    "h": 282.6
  },
  "luminance": 0.15273
}

Semantic roles & 50–950 ramp

primary

#665FCA

secondary

#D5D8AD

accent

#DA4ED1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665FCA

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

Preview Lab → · Contrast checker → · Palette generator →