#665FA4#665FA4

#665FA4 is a mid, moderate blue. Relative luminance 0.137; OKLCH L 52.3% C 0.107 H 286.7°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#665FA4
RGB	rgb(102, 95, 164)
HSL	hsl(246, 27%, 51%)
HSV	hsv(246, 42%, 64%)
CMYK	cmyk(37.8%, 42.1%, 0%, 35.7%)
CIE-LAB	lab(43.78, 19.94, -36.36)
CIE-LCH	lch(43.78, 41.47, 298.74°)
OKLab	oklab(52.32% 0.0308 -0.1023)
OKLCH	oklch(52.32% 0.107 286.7)
XYZ	xyz(16.2707, 13.6890, 36.8997)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FA4 #9DA45F

analogous

#5F7AA4 #665FA4 #885FA4

triadic

#665FA4 #A4665F #5FA466

tetradic

#665FA4 #A45F7A #9DA45F #5FA488

square

#665FA4 #A45F7A #9DA45F #5FA488

split-complementary

#665FA4 #A4885F #7AA45F

monochromatic

#353257 #4D487E #665FA4 #8B86BA #B1ADD0

Accessibility & contrast

On white

5.62

#665FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#665FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FA4

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FA4	#FFFFFF	#000000	##FFFFFF
##665FA4	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4869A7

Deuteranopia (green-blind)

#4766A2

Tritanopia (blue-blind)

#556C79

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #665fa4;
/* rgb */ color: rgb(102, 95, 164);
/* oklch */ color: oklch(52.3% 0.107 286.7);

Tailwind

colors: {
  custom: {
    50: '#948cbf',
    500: '#665fa4',
    950: '#000000',
  },
}

SCSS

$custom: #665fa4;
$custom-light: #948cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#665fa4",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 164
  },
  "hsl": {
    "h": 246.087,
    "s": 27.49,
    "l": 50.784
  },
  "oklch": {
    "l": 0.52318,
    "c": 0.10681,
    "h": 286.7
  },
  "luminance": 0.1369
}

Semantic roles & 50–950 ramp

primary

#665FA4

secondary

#BCBFA0

accent

#C464BA

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665FA4

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

Preview Lab → · Contrast checker → · Palette generator →