#665BC2#665BC2

#665BC2 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.4% C 0.155 H 284.7°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#665BC2
RGB	rgb(102, 91, 194)
HSL	hsl(246, 46%, 56%)
HSV	hsv(246, 53%, 76%)
CMYK	cmyk(47.4%, 53.1%, 0%, 23.9%)
CIE-LAB	lab(44.52, 31.26, -52.75)
CIE-LCH	lch(44.52, 61.32, 300.65°)
OKLab	oklab(53.44% 0.0394 -0.1503)
OKLCH	oklch(53.44% 0.155 284.7)
XYZ	xyz(18.9553, 14.2011, 52.7708)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BC2 #B7C25B

analogous

#5B83C2 #665BC2 #995BC2

triadic

#665BC2 #C2665B #5BC266

tetradic

#665BC2 #C25B83 #B7C25B #5BC299

square

#665BC2 #C25B83 #B7C25B #5BC299

split-complementary

#665BC2 #C2995B #83C25B

monochromatic

#342C77 #483DA3 #665BC2 #9088D3 #B9B4E3

Accessibility & contrast

On white

5.47

#665BC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#665BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BC2

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BC2	#FFFFFF	#000000	##FFFFFF
##665BC2	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266CC6

Deuteranopia (green-blind)

#2266C0

Tritanopia (blue-blind)

#477186

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #665bc2;
/* rgb */ color: rgb(102, 91, 194);
/* oklch */ color: oklch(53.4% 0.155 284.7);

Tailwind

colors: {
  custom: {
    50: '#9889d5',
    500: '#665bc2',
    950: '#000000',
  },
}

SCSS

$custom: #665bc2;
$custom-light: #9889d5;
$custom-dark: #000000;

JSON

{
  "hex": "#665bc2",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 194
  },
  "hsl": {
    "h": 246.408,
    "s": 45.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.53438,
    "c": 0.1554,
    "h": 284.7
  },
  "luminance": 0.14202
}

Semantic roles & 50–950 ramp

primary

#665BC2

secondary

#CDD2A7

accent

#D552C7

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #665BC2

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

Preview Lab → · Contrast checker → · Palette generator →