#665AAA#665AAA

#665AAA is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.7% C 0.123 H 288.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#665AAA
RGB	rgb(102, 90, 170)
HSL	hsl(249, 32%, 51%)
HSV	hsv(249, 47%, 67%)
CMYK	cmyk(40%, 47.1%, 0%, 33.3%)
CIE-LAB	lab(42.82, 24.76, -41.43)
CIE-LCH	lch(42.82, 48.27, 300.86°)
OKLab	oklab(51.7% 0.0385 -0.1171)
OKLCH	oklch(51.7% 0.123 288.2)
XYZ	xyz(16.3893, 13.0389, 39.6756)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AAA #9EAA5A

analogous

#5A76AA #665AAA #8E5AAA

triadic

#665AAA #AA665A #5AAA66

tetradic

#665AAA #AA5A76 #9EAA5A #5AAA8E

square

#665AAA #AA5A76 #9EAA5A #5AAA8E

split-complementary

#665AAA #AA8E5A #76AA5A

monochromatic

#352F5B #4D4483 #665AAA #8B82BF #B1ABD4

Accessibility & contrast

On white

5.82

#665AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#665AAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AAA

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AAA	#FFFFFF	#000000	##FFFFFF
##665AAA	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C67AD

Deuteranopia (green-blind)

#3C63A8

Tritanopia (blue-blind)

#536A7A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #665aaa;
/* rgb */ color: rgb(102, 90, 170);
/* oklch */ color: oklch(51.7% 0.123 288.2);

Tailwind

colors: {
  custom: {
    50: '#9588c4',
    500: '#665aaa',
    950: '#000000',
  },
}

SCSS

$custom: #665aaa;
$custom-light: #9588c4;
$custom-dark: #000000;

JSON

{
  "hex": "#665aaa",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 170
  },
  "hsl": {
    "h": 249,
    "s": 32,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51697,
    "c": 0.12327,
    "h": 288.2
  },
  "luminance": 0.13039
}

Semantic roles & 50–950 ramp

primary

#665AAA

secondary

#BCC29E

accent

#C860B8

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #665AAA

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

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