#665DB7#665DB7

#665DB7 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.1% C 0.137 H 285.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#665DB7
RGB	rgb(102, 93, 183)
HSL	hsl(246, 38%, 54%)
HSV	hsv(246, 49%, 72%)
CMYK	cmyk(44.3%, 49.2%, 0%, 28.2%)
CIE-LAB	lab(44.34, 26.74, -46.65)
CIE-LCH	lch(44.34, 53.77, 299.82°)
OKLab	oklab(53.08% 0.0361 -0.1324)
OKLCH	oklch(53.08% 0.137 285.3)
XYZ	xyz(17.9386, 14.0716, 46.5615)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DB7 #AEB75D

analogous

#5D81B7 #665DB7 #935DB7

triadic

#665DB7 #B7665D #5DB766

tetradic

#665DB7 #B75D81 #AEB75D #5DB793

square

#665DB7 #B75D81 #AEB75D #5DB793

split-complementary

#665DB7 #B7935D #81B75D

monochromatic

#352F6A #4A4295 #665DB7 #8E87CA #B6B2DD

Accessibility & contrast

On white

5.51

#665DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#665DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DB7

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DB7	#FFFFFF	#000000	##FFFFFF
##665DB7	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376BBA

Deuteranopia (green-blind)

#3566B5

Tritanopia (blue-blind)

#4D7081

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #665db7;
/* rgb */ color: rgb(102, 93, 183);
/* oklch */ color: oklch(53.1% 0.137 285.3);

Tailwind

colors: {
  custom: {
    50: '#968bcd',
    500: '#665db7',
    950: '#000000',
  },
}

SCSS

$custom: #665db7;
$custom-light: #968bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#665db7",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 183
  },
  "hsl": {
    "h": 246,
    "s": 38.462,
    "l": 54.118
  },
  "oklch": {
    "l": 0.53082,
    "c": 0.13723,
    "h": 285.3
  },
  "luminance": 0.14072
}

Semantic roles & 50–950 ramp

primary

#665DB7

secondary

#C7CBA5

accent

#CE59C3

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C13

muted

#7E7D82

Preview Lab

Preview with #665DB7

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

Preview Lab → · Contrast checker → · Palette generator →