#665CBE#665CBE

#665CBE is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.4% C 0.148 H 284.8°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#665CBE
RGB	rgb(102, 92, 190)
HSL	hsl(246, 43%, 55%)
HSV	hsv(246, 52%, 75%)
CMYK	cmyk(46.3%, 51.6%, 0%, 25.5%)
CIE-LAB	lab(44.51, 29.45, -50.45)
CIE-LCH	lch(44.51, 58.41, 300.27°)
OKLab	oklab(53.35% 0.038 -0.1435)
OKLCH	oklch(53.35% 0.148 284.8)
XYZ	xyz(18.5982, 14.1959, 50.4654)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CBE #B4BE5C

analogous

#5C83BE #665CBE #975CBE

triadic

#665CBE #BE665C #5CBE66

tetradic

#665CBE #BE5C83 #B4BE5C #5CBE97

square

#665CBE #BE5C83 #B4BE5C #5CBE97

split-complementary

#665CBE #BE975C #83BE5C

monochromatic

#342E72 #493F9E #665CBE #8F88CF #B8B4E1

Accessibility & contrast

On white

5.47

#665CBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#665CBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CBE

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CBE	#FFFFFF	#000000	##FFFFFF
##665CBE	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6CC1

Deuteranopia (green-blind)

#2A66BC

Tritanopia (blue-blind)

#497184

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #665cbe;
/* rgb */ color: rgb(102, 92, 190);
/* oklch */ color: oklch(53.4% 0.148 284.8);

Tailwind

colors: {
  custom: {
    50: '#978ad2',
    500: '#665cbe',
    950: '#000000',
  },
}

SCSS

$custom: #665cbe;
$custom-light: #978ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#665cbe",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 190
  },
  "hsl": {
    "h": 246.122,
    "s": 42.982,
    "l": 55.294
  },
  "oklch": {
    "l": 0.53352,
    "c": 0.14847,
    "h": 284.8
  },
  "luminance": 0.14197
}

Semantic roles & 50–950 ramp

primary

#665CBE

secondary

#CBCFA6

accent

#D355C6

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #665CBE

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

Preview Lab → · Contrast checker → · Palette generator →