#665CAE#665CAE

#665CAE is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.3% C 0.126 H 286.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#665CAE
RGB	rgb(102, 92, 174)
HSL	hsl(247, 34%, 52%)
HSV	hsv(247, 47%, 68%)
CMYK	cmyk(41.4%, 47.1%, 0%, 31.8%)
CIE-LAB	lab(43.56, 24.69, -42.62)
CIE-LCH	lch(43.56, 49.26, 300.09°)
OKLab	oklab(52.33% 0.0364 -0.1206)
OKLCH	oklch(52.33% 0.126 286.8)
XYZ	xyz(16.9445, 13.5345, 41.7558)
Luminance	0.1353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CAE #A4AE5C

analogous

#5C7BAE #665CAE #8F5CAE

triadic

#665CAE #AE665C #5CAE66

tetradic

#665CAE #AE5C7B #A4AE5C #5CAE8F

square

#665CAE #AE5C7B #A4AE5C #5CAE8F

split-complementary

#665CAE #AE8F5C #7BAE5C

monochromatic

#363060 #4C4489 #665CAE #8C85C2 #B3AED7

Accessibility & contrast

On white

5.66

#665CAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#665CAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CAE

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CAE	#FFFFFF	#000000	##FFFFFF
##665CAE	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D69B1

Deuteranopia (green-blind)

#3B65AC

Tritanopia (blue-blind)

#516D7C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #665cae;
/* rgb */ color: rgb(102, 92, 174);
/* oklch */ color: oklch(52.3% 0.126 286.8);

Tailwind

colors: {
  custom: {
    50: '#958ac6',
    500: '#665cae',
    950: '#000000',
  },
}

SCSS

$custom: #665cae;
$custom-light: #958ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#665cae",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 174
  },
  "hsl": {
    "h": 247.317,
    "s": 33.607,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52326,
    "c": 0.12594,
    "h": 286.8
  },
  "luminance": 0.13535
}

Semantic roles & 50–950 ramp

primary

#665CAE

secondary

#C0C5A1

accent

#CA5EBD

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0B13

muted

#7E7C82

Preview Lab

Preview with #665CAE

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

Preview Lab → · Contrast checker → · Palette generator →