#665FA3#665FA3

#665FA3 is a mid, moderate blue. Relative luminance 0.137; OKLCH L 52.3% C 0.105 H 286.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#665FA3
RGB	rgb(102, 95, 163)
HSL	hsl(246, 27%, 51%)
HSV	hsv(246, 42%, 64%)
CMYK	cmyk(37.4%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(43.73, 19.65, -35.85)
CIE-LCH	lch(43.73, 40.89, 298.73°)
OKLab	oklab(52.26% 0.0306 -0.1008)
OKLCH	oklch(52.26% 0.105 286.9)
XYZ	xyz(16.1807, 13.6530, 36.4260)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FA3 #9CA35F

analogous

#5F7AA3 #665FA3 #885FA3

triadic

#665FA3 #A3665F #5FA366

tetradic

#665FA3 #A35F7A #9CA35F #5FA388

square

#665FA3 #A35F7A #9CA35F #5FA388

split-complementary

#665FA3 #A3885F #7AA35F

monochromatic

#353256 #4D487D #665FA3 #8B86B9 #B0ADD0

Accessibility & contrast

On white

5.63

#665FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#665FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FA3

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FA3	#FFFFFF	#000000	##FFFFFF
##665FA3	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4869A6

Deuteranopia (green-blind)

#4766A1

Tritanopia (blue-blind)

#566C79

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #665fa3;
/* rgb */ color: rgb(102, 95, 163);
/* oklch */ color: oklch(52.3% 0.105 286.9);

Tailwind

colors: {
  custom: {
    50: '#948cbe',
    500: '#665fa3',
    950: '#000000',
  },
}

SCSS

$custom: #665fa3;
$custom-light: #948cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#665fa3",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 246.176,
    "s": 26.984,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52261,
    "c": 0.10533,
    "h": 286.9
  },
  "luminance": 0.13654
}

Semantic roles & 50–950 ramp

primary

#665FA3

secondary

#BBBEA0

accent

#C364BA

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665FA3

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

Preview Lab → · Contrast checker → · Palette generator →