#665FA5#665FA5

#665FA5 is a mid, moderate blue. Relative luminance 0.137; OKLCH L 52.4% C 0.108 H 286.6°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#665FA5
RGB	rgb(102, 95, 165)
HSL	hsl(246, 28%, 51%)
HSV	hsv(246, 42%, 65%)
CMYK	cmyk(38.2%, 42.4%, 0%, 35.3%)
CIE-LAB	lab(43.84, 20.23, -36.87)
CIE-LCH	lch(43.84, 42.05, 298.75°)
OKLab	oklab(52.38% 0.0309 -0.1038)
OKLCH	oklch(52.38% 0.108 286.6)
XYZ	xyz(16.3614, 13.7253, 37.3772)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FA5 #9EA55F

analogous

#5F7BA5 #665FA5 #895FA5

triadic

#665FA5 #A5665F #5FA566

tetradic

#665FA5 #A55F7B #9EA55F #5FA589

square

#665FA5 #A55F7B #9EA55F #5FA589

split-complementary

#665FA5 #A5895F #7BA55F

monochromatic

#353258 #4D487F #665FA5 #8B86BB #B1ADD1

Accessibility & contrast

On white

5.61

#665FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#665FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FA5

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FA5	#FFFFFF	#000000	##FFFFFF
##665FA5	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4769A8

Deuteranopia (green-blind)

#4666A3

Tritanopia (blue-blind)

#556D7A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #665fa5;
/* rgb */ color: rgb(102, 95, 165);
/* oklch */ color: oklch(52.4% 0.108 286.6);

Tailwind

colors: {
  custom: {
    50: '#948cc0',
    500: '#665fa5',
    950: '#000000',
  },
}

SCSS

$custom: #665fa5;
$custom-light: #948cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#665fa5",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 165
  },
  "hsl": {
    "h": 246,
    "s": 28,
    "l": 50.98
  },
  "oklch": {
    "l": 0.52376,
    "c": 0.10827,
    "h": 286.6
  },
  "luminance": 0.13726
}

Semantic roles & 50–950 ramp

primary

#665FA5

secondary

#BCBFA0

accent

#C463BB

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665FA5

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

Preview Lab → · Contrast checker → · Palette generator →