#665CAA#665CAA

#665CAA is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.1% C 0.120 H 287.3°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#665CAA
RGB	rgb(102, 92, 170)
HSL	hsl(248, 31%, 51%)
HSV	hsv(248, 46%, 67%)
CMYK	cmyk(40%, 45.9%, 0%, 33.3%)
CIE-LAB	lab(43.33, 23.52, -40.62)
CIE-LCH	lch(43.33, 46.94, 300.07°)
OKLab	oklab(52.08% 0.0358 -0.1147)
OKLCH	oklch(52.08% 0.12 287.3)
XYZ	xyz(16.5603, 13.3808, 39.7326)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CAA #A0AA5C

analogous

#5C79AA #665CAA #8D5CAA

triadic

#665CAA #AA665C #5CAA66

tetradic

#665CAA #AA5C79 #A0AA5C #5CAA8D

square

#665CAA #AA5C79 #A0AA5C #5CAA8D

split-complementary

#665CAA #AA8D5C #79AA5C

monochromatic

#35305C #4D4584 #665CAA #8C84BF #B2ACD4

Accessibility & contrast

On white

5.71

#665CAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#665CAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CAA

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CAA	#FFFFFF	#000000	##FFFFFF
##665CAA	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4068AD

Deuteranopia (green-blind)

#3F64A8

Tritanopia (blue-blind)

#536C7B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665caa;
/* rgb */ color: rgb(102, 92, 170);
/* oklch */ color: oklch(52.1% 0.120 287.3);

Tailwind

colors: {
  custom: {
    50: '#958ac4',
    500: '#665caa',
    950: '#000000',
  },
}

SCSS

$custom: #665caa;
$custom-light: #958ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#665caa",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 170
  },
  "hsl": {
    "h": 247.692,
    "s": 31.452,
    "l": 51.373
  },
  "oklch": {
    "l": 0.52082,
    "c": 0.12019,
    "h": 287.3
  },
  "luminance": 0.13381
}

Semantic roles & 50–950 ramp

primary

#665CAA

secondary

#BEC2A0

accent

#C860BA

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #665CAA

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

Preview Lab → · Contrast checker → · Palette generator →