#665ABF#665ABF

#665ABF is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.1% C 0.153 H 285.3°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#665ABF
RGB	rgb(102, 90, 191)
HSL	hsl(247, 44%, 55%)
HSV	hsv(247, 53%, 75%)
CMYK	cmyk(46.6%, 52.9%, 0%, 25.1%)
CIE-LAB	lab(44.09, 30.97, -51.71)
CIE-LCH	lch(44.09, 60.27, 300.91°)
OKLab	oklab(53.05% 0.0404 -0.1473)
OKLCH	oklch(53.05% 0.153 285.3)
XYZ	xyz(18.5369, 13.8979, 50.9859)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ABF #B3BF5A

analogous

#5A80BF #665ABF #995ABF

triadic

#665ABF #BF665A #5ABF66

tetradic

#665ABF #BF5A80 #B3BF5A #5ABF99

square

#665ABF #BF5A80 #B3BF5A #5ABF99

split-complementary

#665ABF #BF995A #80BF5A

monochromatic

#352C72 #493D9E #665ABF #8F86D0 #B8B2E1

Accessibility & contrast

On white

5.56

#665ABF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#665ABF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ABF

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ABF	#FFFFFF	#000000	##FFFFFF
##665ABF	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286BC3

Deuteranopia (green-blind)

#2465BD

Tritanopia (blue-blind)

#497084

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #665abf;
/* rgb */ color: rgb(102, 90, 191);
/* oklch */ color: oklch(53.1% 0.153 285.3);

Tailwind

colors: {
  custom: {
    50: '#9789d3',
    500: '#665abf',
    950: '#000000',
  },
}

SCSS

$custom: #665abf;
$custom-light: #9789d3;
$custom-dark: #000000;

JSON

{
  "hex": "#665abf",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 191
  },
  "hsl": {
    "h": 247.129,
    "s": 44.105,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53053,
    "c": 0.15271,
    "h": 285.3
  },
  "luminance": 0.13899
}

Semantic roles & 50–950 ramp

primary

#665ABF

secondary

#CBD0A5

accent

#D454C5

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #665ABF

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

Preview Lab → · Contrast checker → · Palette generator →