#665ABB#665ABB

#665ABB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.8% C 0.147 H 285.8°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#665ABB
RGB	rgb(102, 90, 187)
HSL	hsl(247, 42%, 54%)
HSV	hsv(247, 52%, 73%)
CMYK	cmyk(45.5%, 51.9%, 0%, 26.7%)
CIE-LAB	lab(43.83, 29.77, -49.79)
CIE-LCH	lch(43.83, 58.01, 300.88°)
OKLab	oklab(52.79% 0.0402 -0.1416)
OKLCH	oklch(52.79% 0.147 285.8)
XYZ	xyz(18.1027, 13.7242, 48.6993)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ABB #AFBB5A

analogous

#5A7FBB #665ABB #975ABB

triadic

#665ABB #BB665A #5ABB66

tetradic

#665ABB #BB5A7F #AFBB5A #5ABB97

square

#665ABB #BB5A7F #AFBB5A #5ABB97

split-complementary

#665ABB #BB975A #7FBB5A

monochromatic

#352D6D #4A3F99 #665ABB #8E85CD #B6B1DF

Accessibility & contrast

On white

5.61

#665ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#665ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ABB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ABB	#FFFFFF	#000000	##FFFFFF
##665ABB	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6ABE

Deuteranopia (green-blind)

#2A65B9

Tritanopia (blue-blind)

#4B6F82

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #665abb;
/* rgb */ color: rgb(102, 90, 187);
/* oklch */ color: oklch(52.8% 0.147 285.8);

Tailwind

colors: {
  custom: {
    50: '#9789d0',
    500: '#665abb',
    950: '#000000',
  },
}

SCSS

$custom: #665abb;
$custom-light: #9789d0;
$custom-dark: #000000;

JSON

{
  "hex": "#665abb",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 187
  },
  "hsl": {
    "h": 247.423,
    "s": 41.631,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52785,
    "c": 0.14719,
    "h": 285.8
  },
  "luminance": 0.13725
}

Semantic roles & 50–950 ramp

primary

#665ABB

secondary

#C8CDA4

accent

#D156C2

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #665ABB

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

Preview Lab → · Contrast checker → · Palette generator →