#665DC9#665DC9

#665DC9 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.3% C 0.162 H 283.3°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#665DC9
RGB	rgb(102, 93, 201)
HSL	hsl(245, 50%, 58%)
HSV	hsv(245, 54%, 79%)
CMYK	cmyk(49.3%, 53.7%, 0%, 21.2%)
CIE-LAB	lab(45.45, 32.17, -55.30)
CIE-LCH	lch(45.45, 63.97, 300.19°)
OKLab	oklab(54.28% 0.0374 -0.1578)
OKLCH	oklch(54.28% 0.162 283.3)
XYZ	xyz(19.9333, 14.8695, 57.0668)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DC9 #C0C95D

analogous

#5D8AC9 #665DC9 #9C5DC9

triadic

#665DC9 #C9665D #5DC966

tetradic

#665DC9 #C95D8A #C0C95D #5DC99C

square

#665DC9 #C95D8A #C0C95D #5DC99C

split-complementary

#665DC9 #C99C5D #8AC95D

monochromatic

#322B81 #443AAF #665DC9 #918BD8 #BDB9E8

Accessibility & contrast

On white

5.28

#665DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#665DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DC9

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DC9	#FFFFFF	#000000	##FFFFFF
##665DC9	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226FCD

Deuteranopia (green-blind)

#1968C7

Tritanopia (blue-blind)

#42758A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665dc9;
/* rgb */ color: rgb(102, 93, 201);
/* oklch */ color: oklch(54.3% 0.162 283.3);

Tailwind

colors: {
  custom: {
    50: '#988bda',
    500: '#665dc9',
    950: '#000000',
  },
}

SCSS

$custom: #665dc9;
$custom-light: #988bda;
$custom-dark: #000000;

JSON

{
  "hex": "#665dc9",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 201
  },
  "hsl": {
    "h": 245,
    "s": 50,
    "l": 57.647
  },
  "oklch": {
    "l": 0.54279,
    "c": 0.16216,
    "h": 283.3
  },
  "luminance": 0.14871
}

Semantic roles & 50–950 ramp

primary

#665DC9

secondary

#D3D7AB

accent

#DA4ECE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665DC9

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

Preview Lab → · Contrast checker → · Palette generator →