#665FD9#665FD9

#665FD9 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.8% C 0.181 H 281.4°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#665FD9
RGB	rgb(102, 95, 217)
HSL	hsl(243, 62%, 61%)
HSV	hsv(243, 56%, 85%)
CMYK	cmyk(53%, 56.2%, 0%, 14.9%)
CIE-LAB	lab(47.00, 35.88, -61.97)
CIE-LCH	lch(47.00, 71.61, 300.07°)
OKLab	oklab(55.77% 0.0356 -0.1774)
OKLCH	oklch(55.77% 0.181 281.4)
XYZ	xyz(22.0922, 16.0176, 67.5598)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FD9 #D2D95F

analogous

#5F95D9 #665FD9 #A35FD9

triadic

#665FD9 #D9665F #5FD966

tetradic

#665FD9 #D95F95 #D2D95F #5FD9A3

square

#665FD9 #D95F95 #D2D95F #5FD9A3

split-complementary

#665FD9 #D9A35F #95D95F

monochromatic

#2B2499 #3930CB #665FD9 #9590E5 #C5C2F0

Accessibility & contrast

On white

5.00

#665FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#665FD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FD9

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FD9	#FFFFFF	#000000	##FFFFFF
##665FD9	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DD

Deuteranopia (green-blind)

#006BD6

Tritanopia (blue-blind)

#347B93

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665fd9;
/* rgb */ color: rgb(102, 95, 217);
/* oklch */ color: oklch(55.8% 0.181 281.4);

Tailwind

colors: {
  custom: {
    50: '#9a8ce5',
    500: '#665fd9',
    950: '#000000',
  },
}

SCSS

$custom: #665fd9;
$custom-light: #9a8ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#665fd9",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 217
  },
  "hsl": {
    "h": 243.443,
    "s": 61.616,
    "l": 61.176
  },
  "oklch": {
    "l": 0.55765,
    "c": 0.18094,
    "h": 281.4
  },
  "luminance": 0.16019
}

Semantic roles & 50–950 ramp

primary

#665FD9

secondary

#DEE1B3

accent

#C91CBF

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665FD9

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

Preview Lab → · Contrast checker → · Palette generator →