#665EC0#665EC0

#665EC0 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.9% C 0.148 H 283.9°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#665EC0
RGB	rgb(102, 94, 192)
HSL	hsl(245, 44%, 56%)
HSV	hsv(245, 51%, 75%)
CMYK	cmyk(46.9%, 51%, 0%, 24.7%)
CIE-LAB	lab(45.13, 28.83, -50.62)
CIE-LCH	lch(45.13, 58.25, 299.66°)
OKLab	oklab(53.85% 0.0357 -0.144)
OKLCH	oklch(53.85% 0.148 283.9)
XYZ	xyz(18.9938, 14.6351, 51.6830)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EC0 #B8C05E

analogous

#5E87C0 #665EC0 #975EC0

triadic

#665EC0 #C0665E #5EC066

tetradic

#665EC0 #C05E87 #B8C05E #5EC097

square

#665EC0 #C05E87 #B8C05E #5EC097

split-complementary

#665EC0 #C0975E #87C05E

monochromatic

#342E76 #473FA2 #665EC0 #908AD1 #BAB6E2

Accessibility & contrast

On white

5.35

#665EC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#665EC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EC0

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EC0	#FFFFFF	#000000	##FFFFFF
##665EC0	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306EC3

Deuteranopia (green-blind)

#2C68BE

Tritanopia (blue-blind)

#487386

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665ec0;
/* rgb */ color: rgb(102, 94, 192);
/* oklch */ color: oklch(53.9% 0.148 283.9);

Tailwind

colors: {
  custom: {
    50: '#978bd4',
    500: '#665ec0',
    950: '#000000',
  },
}

SCSS

$custom: #665ec0;
$custom-light: #978bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#665ec0",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 192
  },
  "hsl": {
    "h": 244.898,
    "s": 43.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.53854,
    "c": 0.14838,
    "h": 283.9
  },
  "luminance": 0.14636
}

Semantic roles & 50–950 ramp

primary

#665EC0

secondary

#CED1A9

accent

#D354C9

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665EC0

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

Preview Lab → · Contrast checker → · Palette generator →