#665AEB#665AEB

#665AEB is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.3% C 0.210 H 280.9°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#665AEB
RGB	rgb(102, 90, 235)
HSL	hsl(245, 78%, 64%)
HSV	hsv(245, 62%, 92%)
CMYK	cmyk(56.6%, 61.7%, 0%, 7.8%)
CIE-LAB	lab(47.15, 44.39, -71.91)
CIE-LCH	lch(47.15, 84.51, 301.69°)
OKLab	oklab(56.28% 0.04 -0.2067)
OKLCH	oklch(56.28% 0.21 280.9)
XYZ	xyz(24.1264, 16.1337, 80.4239)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AEB #DFEB5A

analogous

#5A96EB #665AEB #AF5AEB

triadic

#665AEB #EB665A #5AEB66

tetradic

#665AEB #EB5A96 #DFEB5A #5AEBAF

square

#665AEB #EB5A96 #DFEB5A #5AEBAF

split-complementary

#665AEB #EBAF5A #96EB5A

monochromatic

#2316B5 #3323E4 #665AEB #9991F2 #CBC7F8

Accessibility & contrast

On white

4.97

#665AEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#665AEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AEB

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AEB	#FFFFFF	#000000	##FFFFFF
##665AEB	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F0

Deuteranopia (green-blind)

#006AE8

Tritanopia (blue-blind)

#1A7E9A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #665aeb;
/* rgb */ color: rgb(102, 90, 235);
/* oklch */ color: oklch(56.3% 0.210 280.9);

Tailwind

colors: {
  custom: {
    50: '#9d89f2',
    500: '#665aeb',
    950: '#000000',
  },
}

SCSS

$custom: #665aeb;
$custom-light: #9d89f2;
$custom-dark: #000000;

JSON

{
  "hex": "#665aeb",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 235
  },
  "hsl": {
    "h": 244.966,
    "s": 78.378,
    "l": 63.725
  },
  "oklch": {
    "l": 0.56284,
    "c": 0.21049,
    "h": 280.9
  },
  "luminance": 0.16135
}

Semantic roles & 50–950 ramp

primary

#665AEB

secondary

#E6EAB7

accent

#DB0BC9

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #665AEB

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

Preview Lab → · Contrast checker → · Palette generator →