#665CA8#665CA8

#665CA8 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 52.0% C 0.117 H 287.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#665CA8
RGB	rgb(102, 92, 168)
HSL	hsl(248, 30%, 51%)
HSV	hsv(248, 45%, 66%)
CMYK	cmyk(39.3%, 45.2%, 0%, 34.1%)
CIE-LAB	lab(43.22, 22.94, -39.62)
CIE-LCH	lch(43.22, 45.78, 300.07°)
OKLab	oklab(51.96% 0.0355 -0.1118)
OKLCH	oklch(51.96% 0.117 287.6)
XYZ	xyz(16.3726, 13.3057, 38.7438)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CA8 #9EA85C

analogous

#5C78A8 #665CA8 #8C5CA8

triadic

#665CA8 #A8665C #5CA866

tetradic

#665CA8 #A85C78 #9EA85C #5CA88C

square

#665CA8 #A85C78 #9EA85C #5CA88C

split-complementary

#665CA8 #A88C5C #78A85C

monochromatic

#35305A #4D4582 #665CA8 #8B84BD #B1ACD3

Accessibility & contrast

On white

5.74

#665CA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#665CA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CA8

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CA8	#FFFFFF	#000000	##FFFFFF
##665CA8	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4168AB

Deuteranopia (green-blind)

#4064A6

Tritanopia (blue-blind)

#546B7A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665ca8;
/* rgb */ color: rgb(102, 92, 168);
/* oklch */ color: oklch(52.0% 0.117 287.6);

Tailwind

colors: {
  custom: {
    50: '#958ac2',
    500: '#665ca8',
    950: '#000000',
  },
}

SCSS

$custom: #665ca8;
$custom-light: #958ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#665ca8",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 168
  },
  "hsl": {
    "h": 247.895,
    "s": 30.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51962,
    "c": 0.1173,
    "h": 287.6
  },
  "luminance": 0.13306
}

Semantic roles & 50–950 ramp

primary

#665CA8

secondary

#BCC19F

accent

#C761B9

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #665CA8

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

Preview Lab → · Contrast checker → · Palette generator →