#665EC4#665EC4

#665EC4 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.1% C 0.154 H 283.5°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#665EC4
RGB	rgb(102, 94, 196)
HSL	hsl(245, 46%, 57%)
HSV	hsv(245, 52%, 77%)
CMYK	cmyk(48%, 52%, 0%, 23.1%)
CIE-LAB	lab(45.38, 30.04, -52.53)
CIE-LCH	lch(45.38, 60.51, 299.76°)
OKLab	oklab(54.12% 0.036 -0.1496)
OKLCH	oklch(54.12% 0.154 283.5)
XYZ	xyz(19.4430, 14.8148, 54.0489)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EC4 #BCC45E

analogous

#5E89C4 #665EC4 #995EC4

triadic

#665EC4 #C4665E #5EC466

tetradic

#665EC4 #C45E89 #BCC45E #5EC499

square

#665EC4 #C45E89 #BCC45E #5EC499

split-complementary

#665EC4 #C4995E #89C45E

monochromatic

#332D7B #463DA7 #665EC4 #918BD4 #BBB8E5

Accessibility & contrast

On white

5.30

#665EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#665EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EC4

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EC4	#FFFFFF	#000000	##FFFFFF
##665EC4	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6FC8

Deuteranopia (green-blind)

#2668C2

Tritanopia (blue-blind)

#457488

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665ec4;
/* rgb */ color: rgb(102, 94, 196);
/* oklch */ color: oklch(54.1% 0.154 283.5);

Tailwind

colors: {
  custom: {
    50: '#988cd6',
    500: '#665ec4',
    950: '#000000',
  },
}

SCSS

$custom: #665ec4;
$custom-light: #988cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#665ec4",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 196
  },
  "hsl": {
    "h": 244.706,
    "s": 46.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.54121,
    "c": 0.15392,
    "h": 283.5
  },
  "luminance": 0.14816
}

Semantic roles & 50–950 ramp

primary

#665EC4

secondary

#D0D4AA

accent

#D652CC

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665EC4

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

Preview Lab → · Contrast checker → · Palette generator →