#665AE9#665AE9

#665AE9 is a mid, highly saturated blue. Relative luminance 0.160; OKLCH L 56.1% C 0.208 H 281.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#665AE9
RGB	rgb(102, 90, 233)
HSL	hsl(245, 76%, 63%)
HSV	hsv(245, 61%, 91%)
CMYK	cmyk(56.2%, 61.4%, 0%, 8.6%)
CIE-LAB	lab(47.00, 43.77, -71.03)
CIE-LCH	lch(47.00, 83.43, 301.64°)
OKLab	oklab(56.13% 0.0401 -0.2041)
OKLCH	oklch(56.13% 0.208 281.1)
XYZ	xyz(23.8390, 16.0187, 78.9107)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AE9 #DDE95A

analogous

#5A95E9 #665AE9 #AD5AE9

triadic

#665AE9 #E9665A #5AE966

tetradic

#665AE9 #E95A95 #DDE95A #5AE9AD

square

#665AE9 #E95A95 #DDE95A #5AE9AD

split-complementary

#665AE9 #E9AD5A #95E95A

monochromatic

#2418B1 #3424E2 #665AE9 #9890F0 #CAC6F7

Accessibility & contrast

On white

5.00

#665AE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#665AE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AE9

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AE9	#FFFFFF	#000000	##FFFFFF
##665AE9	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075EE

Deuteranopia (green-blind)

#006AE6

Tritanopia (blue-blind)

#1E7D99

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665ae9;
/* rgb */ color: rgb(102, 90, 233);
/* oklch */ color: oklch(56.1% 0.208 281.1);

Tailwind

colors: {
  custom: {
    50: '#9d89f1',
    500: '#665ae9',
    950: '#000000',
  },
}

SCSS

$custom: #665ae9;
$custom-light: #9d89f1;
$custom-dark: #000000;

JSON

{
  "hex": "#665ae9",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 233
  },
  "hsl": {
    "h": 245.035,
    "s": 76.471,
    "l": 63.333
  },
  "oklch": {
    "l": 0.56127,
    "c": 0.20797,
    "h": 281.1
  },
  "luminance": 0.1602
}

Semantic roles & 50–950 ramp

primary

#665AE9

secondary

#E5E9B6

accent

#D90DC8

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #665AE9

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

Preview Lab → · Contrast checker → · Palette generator →