#665CC1#665CC1

#665CC1 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.6% C 0.153 H 284.5°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#665CC1
RGB	rgb(102, 92, 193)
HSL	hsl(246, 45%, 56%)
HSV	hsv(246, 52%, 76%)
CMYK	cmyk(47.2%, 52.3%, 0%, 24.3%)
CIE-LAB	lab(44.70, 30.35, -51.88)
CIE-LCH	lch(44.70, 60.11, 300.33°)
OKLab	oklab(53.55% 0.0382 -0.1478)
OKLCH	oklch(53.55% 0.153 284.5)
XYZ	xyz(18.9294, 14.3285, 52.2100)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CC1 #B7C15C

analogous

#5C84C1 #665CC1 #985CC1

triadic

#665CC1 #C1665C #5CC166

tetradic

#665CC1 #C15C84 #B7C15C #5CC198

square

#665CC1 #C15C84 #B7C15C #5CC198

split-complementary

#665CC1 #C1985C #84C15C

monochromatic

#342D76 #483EA2 #665CC1 #9088D2 #B9B5E3

Accessibility & contrast

On white

5.43

#665CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#665CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CC1

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CC1	#FFFFFF	#000000	##FFFFFF
##665CC1	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6DC5

Deuteranopia (green-blind)

#2667BF

Tritanopia (blue-blind)

#477286

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665cc1;
/* rgb */ color: rgb(102, 92, 193);
/* oklch */ color: oklch(53.6% 0.153 284.5);

Tailwind

colors: {
  custom: {
    50: '#978ad4',
    500: '#665cc1',
    950: '#000000',
  },
}

SCSS

$custom: #665cc1;
$custom-light: #978ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#665cc1",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 193
  },
  "hsl": {
    "h": 245.941,
    "s": 44.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.53552,
    "c": 0.15261,
    "h": 284.5
  },
  "luminance": 0.14329
}

Semantic roles & 50–950 ramp

primary

#665CC1

secondary

#CDD1A7

accent

#D553C8

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #665CC1

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

Preview Lab → · Contrast checker → · Palette generator →