#665EE1#665EE1

#665EE1 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 56.2% C 0.193 H 280.9°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#665EE1
RGB	rgb(102, 94, 225)
HSL	hsl(244, 69%, 63%)
HSV	hsv(244, 58%, 88%)
CMYK	cmyk(54.7%, 58.2%, 0%, 11.8%)
CIE-LAB	lab(47.32, 38.96, -65.99)
CIE-LCH	lch(47.32, 76.63, 300.56°)
OKLab	oklab(56.18% 0.0366 -0.1892)
OKLCH	oklch(56.18% 0.193 280.9)
XYZ	xyz(23.0686, 16.2650, 73.1434)
Luminance	0.1627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EE1 #D9E15E

analogous

#5E98E1 #665EE1 #A75EE1

triadic

#665EE1 #E1665E #5EE166

tetradic

#665EE1 #E15E98 #D9E15E #5EE1A7

square

#665EE1 #E15E98 #D9E15E #5EE1A7

split-complementary

#665EE1 #E1A75E #98E15E

monochromatic

#271FA6 #352AD7 #665EE1 #9792EB #C8C5F4

Accessibility & contrast

On white

4.94

#665EE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#665EE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EE1

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EE1	#FFFFFF	#000000	##FFFFFF
##665EE1	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E5

Deuteranopia (green-blind)

#006BDE

Tritanopia (blue-blind)

#2A7D96

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #665ee1;
/* rgb */ color: rgb(102, 94, 225);
/* oklch */ color: oklch(56.2% 0.193 280.9);

Tailwind

colors: {
  custom: {
    50: '#9c8ceb',
    500: '#665ee1',
    950: '#000000',
  },
}

SCSS

$custom: #665ee1;
$custom-light: #9c8ceb;
$custom-dark: #000000;

JSON

{
  "hex": "#665ee1",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 225
  },
  "hsl": {
    "h": 243.664,
    "s": 68.586,
    "l": 62.549
  },
  "oklch": {
    "l": 0.5618,
    "c": 0.19274,
    "h": 280.9
  },
  "luminance": 0.16266
}

Semantic roles & 50–950 ramp

primary

#665EE1

secondary

#E2E5B6

accent

#D115C5

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665EE1

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

Preview Lab → · Contrast checker → · Palette generator →