#665CA4#665CA4

#665CA4 is a mid, moderate blue. Relative luminance 0.132; OKLCH L 51.7% C 0.111 H 288.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#665CA4
RGB	rgb(102, 92, 164)
HSL	hsl(248, 28%, 50%)
HSV	hsv(248, 44%, 64%)
CMYK	cmyk(37.8%, 43.9%, 0%, 35.7%)
CIE-LAB	lab(43.00, 21.79, -37.60)
CIE-LCH	lch(43.00, 43.46, 300.09°)
OKLab	oklab(51.73% 0.0349 -0.1059)
OKLCH	oklch(51.73% 0.111 288.2)
XYZ	xyz(16.0056, 13.1589, 36.8114)
Luminance	0.1316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CA4 #9AA45C

analogous

#5C76A4 #665CA4 #8A5CA4

triadic

#665CA4 #A4665C #5CA466

tetradic

#665CA4 #A45C76 #9AA45C #5CA48A

square

#665CA4 #A45C76 #9AA45C #5CA48A

split-complementary

#665CA4 #A48A5C #76A45C

monochromatic

#353056 #4D467D #665CA4 #8B83BA #B0ABD0

Accessibility & contrast

On white

5.78

#665CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#665CA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CA4

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CA4	#FFFFFF	#000000	##FFFFFF
##665CA4	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4367A7

Deuteranopia (green-blind)

#4364A2

Tritanopia (blue-blind)

#566A78

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665ca4;
/* rgb */ color: rgb(102, 92, 164);
/* oklch */ color: oklch(51.7% 0.111 288.2);

Tailwind

colors: {
  custom: {
    50: '#948abf',
    500: '#665ca4',
    950: '#000000',
  },
}

SCSS

$custom: #665ca4;
$custom-light: #948abf;
$custom-dark: #000000;

JSON

{
  "hex": "#665ca4",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 164
  },
  "hsl": {
    "h": 248.333,
    "s": 28.346,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51725,
    "c": 0.11149,
    "h": 288.2
  },
  "luminance": 0.13159
}

Semantic roles & 50–950 ramp

primary

#665CA4

secondary

#BABE9E

accent

#C563B7

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #665CA4

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

Preview Lab → · Contrast checker → · Palette generator →