#665BEE#665BEE

#665BEE is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.7% C 0.213 H 280.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#665BEE
RGB	rgb(102, 91, 238)
HSL	hsl(244, 81%, 65%)
HSV	hsv(244, 62%, 93%)
CMYK	cmyk(57.1%, 61.8%, 0%, 6.7%)
CIE-LAB	lab(47.60, 44.73, -72.87)
CIE-LCH	lch(47.60, 85.50, 301.54°)
OKLab	oklab(56.68% 0.0389 -0.2095)
OKLCH	oklch(56.68% 0.213 280.5)
XYZ	xyz(24.6483, 16.4783, 82.7541)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BEE #E3EE5B

analogous

#5B9AEE #665BEE #B05BEE

triadic

#665BEE #EE665B #5BEE66

tetradic

#665BEE #EE5B9A #E3EE5B #5BEEB0

square

#665BEE #EE5B9A #E3EE5B #5BEEB0

split-complementary

#665BEE #EEB05B #9AEE5B

monochromatic

#2013BB #3224E8 #665BEE #9A92F4 #CDCAF9

Accessibility & contrast

On white

4.89

#665BEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#665BEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BEE

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BEE	#FFFFFF	#000000	##FFFFFF
##665BEE	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F3

Deuteranopia (green-blind)

#006BEB

Tritanopia (blue-blind)

#127F9C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #665bee;
/* rgb */ color: rgb(102, 91, 238);
/* oklch */ color: oklch(56.7% 0.213 280.5);

Tailwind

colors: {
  custom: {
    50: '#9e8af5',
    500: '#665bee',
    950: '#000000',
  },
}

SCSS

$custom: #665bee;
$custom-light: #9e8af5;
$custom-dark: #000000;

JSON

{
  "hex": "#665bee",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 238
  },
  "hsl": {
    "h": 244.49,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.56682,
    "c": 0.21306,
    "h": 280.5
  },
  "luminance": 0.1648
}

Semantic roles & 50–950 ramp

primary

#665BEE

secondary

#E8ECB9

accent

#DE08CE

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #665BEE

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

Preview Lab → · Contrast checker → · Palette generator →