#665BEB#665BEB

#665BEB is a mid, highly saturated blue. Relative luminance 0.163; OKLCH L 56.4% C 0.209 H 280.8°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#665BEB
RGB	rgb(102, 91, 235)
HSL	hsl(245, 78%, 64%)
HSV	hsv(245, 61%, 92%)
CMYK	cmyk(56.6%, 61.3%, 0%, 7.8%)
CIE-LAB	lab(47.37, 43.81, -71.55)
CIE-LCH	lch(47.37, 83.90, 301.48°)
OKLab	oklab(56.45% 0.0391 -0.2056)
OKLCH	oklch(56.45% 0.209 280.8)
XYZ	xyz(24.2113, 16.3035, 80.4522)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BEB #E0EB5B

analogous

#5B98EB #665BEB #AE5BEB

triadic

#665BEB #EB665B #5BEB66

tetradic

#665BEB #EB5B98 #E0EB5B #5BEBAE

square

#665BEB #EB5B98 #E0EB5B #5BEBAE

split-complementary

#665BEB #EBAE5B #98EB5B

monochromatic

#2216B5 #3324E4 #665BEB #9992F2 #CCC8F8

Accessibility & contrast

On white

4.93

#665BEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#665BEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BEB

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BEB	#FFFFFF	#000000	##FFFFFF
##665BEB	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F0

Deuteranopia (green-blind)

#006BE8

Tritanopia (blue-blind)

#1A7E9A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #665beb;
/* rgb */ color: rgb(102, 91, 235);
/* oklch */ color: oklch(56.4% 0.209 280.8);

Tailwind

colors: {
  custom: {
    50: '#9d8af2',
    500: '#665beb',
    950: '#000000',
  },
}

SCSS

$custom: #665beb;
$custom-light: #9d8af2;
$custom-dark: #000000;

JSON

{
  "hex": "#665beb",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 235
  },
  "hsl": {
    "h": 244.583,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56446,
    "c": 0.20928,
    "h": 280.8
  },
  "luminance": 0.16305
}

Semantic roles & 50–950 ramp

primary

#665BEB

secondary

#E6EAB8

accent

#DB0BCB

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665BEB

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

Preview Lab → · Contrast checker → · Palette generator →