#665EC8#665EC8

#665EC8 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.4% C 0.159 H 283.1°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#665EC8
RGB	rgb(102, 94, 200)
HSL	hsl(245, 49%, 58%)
HSV	hsv(245, 53%, 78%)
CMYK	cmyk(49%, 53%, 0%, 21.6%)
CIE-LAB	lab(45.63, 31.26, -54.43)
CIE-LCH	lch(45.63, 62.77, 299.87°)
OKLab	oklab(54.39% 0.0362 -0.1552)
OKLCH	oklch(54.39% 0.159 283.1)
XYZ	xyz(19.9044, 14.9993, 56.4787)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EC8 #C0C85E

analogous

#5E8BC8 #665EC8 #9B5EC8

triadic

#665EC8 #C8665E #5EC866

tetradic

#665EC8 #C85E8B #C0C85E #5EC89B

square

#665EC8 #C85E8B #C0C85E #5EC89B

split-complementary

#665EC8 #C89B5E #8BC85E

monochromatic

#322C80 #443BAE #665EC8 #918CD8 #BDB9E7

Accessibility & contrast

On white

5.25

#665EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#665EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EC8

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EC8	#FFFFFF	#000000	##FFFFFF
##665EC8	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2670CC

Deuteranopia (green-blind)

#1F69C6

Tritanopia (blue-blind)

#42758A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665ec8;
/* rgb */ color: rgb(102, 94, 200);
/* oklch */ color: oklch(54.4% 0.159 283.1);

Tailwind

colors: {
  custom: {
    50: '#988cd9',
    500: '#665ec8',
    950: '#000000',
  },
}

SCSS

$custom: #665ec8;
$custom-light: #988cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#665ec8",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 200
  },
  "hsl": {
    "h": 244.528,
    "s": 49.074,
    "l": 57.647
  },
  "oklch": {
    "l": 0.54392,
    "c": 0.15941,
    "h": 283.1
  },
  "luminance": 0.15
}

Semantic roles & 50–950 ramp

primary

#665EC8

secondary

#D3D6AC

accent

#D94FCE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665EC8

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

Preview Lab → · Contrast checker → · Palette generator →