#665FE7#665FE7

#665FE7 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.8% C 0.199 H 280.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#665FE7
RGB	rgb(102, 95, 231)
HSL	hsl(243, 74%, 64%)
HSV	hsv(243, 59%, 91%)
CMYK	cmyk(55.8%, 58.9%, 0%, 9.4%)
CIE-LAB	lab(47.98, 40.22, -68.31)
CIE-LCH	lch(47.98, 79.27, 300.49°)
OKLab	oklab(56.8% 0.0355 -0.196)
OKLCH	oklch(56.8% 0.199 280.3)
XYZ	xyz(23.9910, 16.7771, 77.5599)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FE7 #E0E75F

analogous

#5F9CE7 #665FE7 #AA5FE7

triadic

#665FE7 #E7665F #5FE766

tetradic

#665FE7 #E75F9C #E0E75F #5FE7AA

square

#665FE7 #E75F9C #E0E75F #5FE7AA

split-complementary

#665FE7 #E7AA5F #9CE75F

monochromatic

#221BB1 #332ADF #665FE7 #9994EF #CCC9F7

Accessibility & contrast

On white

4.82

#665FE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#665FE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FE7

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FE7	#FFFFFF	#000000	##FFFFFF
##665FE7	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077EB

Deuteranopia (green-blind)

#006DE4

Tritanopia (blue-blind)

#21809A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #665fe7;
/* rgb */ color: rgb(102, 95, 231);
/* oklch */ color: oklch(56.8% 0.199 280.3);

Tailwind

colors: {
  custom: {
    50: '#9c8df0',
    500: '#665fe7',
    950: '#000000',
  },
}

SCSS

$custom: #665fe7;
$custom-light: #9c8df0;
$custom-dark: #000000;

JSON

{
  "hex": "#665fe7",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 231
  },
  "hsl": {
    "h": 243.088,
    "s": 73.913,
    "l": 63.922
  },
  "oklch": {
    "l": 0.568,
    "c": 0.19924,
    "h": 280.3
  },
  "luminance": 0.16779
}

Semantic roles & 50–950 ramp

primary

#665FE7

secondary

#E6E9B9

accent

#D60FCC

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665FE7

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

Preview Lab → · Contrast checker → · Palette generator →