#665FA6#665FA6

#665FA6 is a mid, moderate blue. Relative luminance 0.138; OKLCH L 52.4% C 0.110 H 286.5°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#665FA6
RGB	rgb(102, 95, 166)
HSL	hsl(246, 29%, 51%)
HSV	hsv(246, 43%, 65%)
CMYK	cmyk(38.6%, 42.8%, 0%, 34.9%)
CIE-LAB	lab(43.89, 20.51, -37.38)
CIE-LCH	lch(43.89, 42.64, 298.76°)
OKLab	oklab(52.43% 0.0311 -0.1052)
OKLCH	oklch(52.43% 0.11 286.5)
XYZ	xyz(16.4527, 13.7618, 37.8584)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FA6 #9FA65F

analogous

#5F7BA6 #665FA6 #895FA6

triadic

#665FA6 #A6665F #5FA666

tetradic

#665FA6 #A65F7B #9FA65F #5FA689

square

#665FA6 #A65F7B #9FA65F #5FA689

split-complementary

#665FA6 #A6895F #7BA65F

monochromatic

#353259 #4D4780 #665FA6 #8C86BC #B1AED2

Accessibility & contrast

On white

5.60

#665FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#665FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FA6

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FA6	#FFFFFF	#000000	##FFFFFF
##665FA6	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476AA9

Deuteranopia (green-blind)

#4566A4

Tritanopia (blue-blind)

#556D7A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #665fa6;
/* rgb */ color: rgb(102, 95, 166);
/* oklch */ color: oklch(52.4% 0.110 286.5);

Tailwind

colors: {
  custom: {
    50: '#948cc1',
    500: '#665fa6',
    950: '#000000',
  },
}

SCSS

$custom: #665fa6;
$custom-light: #948cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#665fa6",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 166
  },
  "hsl": {
    "h": 245.915,
    "s": 28.514,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52433,
    "c": 0.10975,
    "h": 286.5
  },
  "luminance": 0.13762
}

Semantic roles & 50–950 ramp

primary

#665FA6

secondary

#BDC0A1

accent

#C563BB

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665FA6

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

Preview Lab → · Contrast checker → · Palette generator →