#665D99#665D99

#665D99 is a mid, moderate blue. Relative luminance 0.130; OKLCH L 51.3% C 0.094 H 289.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#665D99
RGB	rgb(102, 93, 153)
HSL	hsl(249, 24%, 48%)
HSV	hsv(249, 39%, 60%)
CMYK	cmyk(33.3%, 39.2%, 0%, 40%)
CIE-LAB	lab(42.69, 18.07, -31.55)
CIE-LCH	lch(42.69, 36.35, 299.80°)
OKLab	oklab(51.3% 0.0314 -0.0883)
OKLCH	oklch(51.3% 0.094 289.6)
XYZ	xyz(15.1421, 12.9530, 31.8332)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665D99 #90995D

analogous

#5D7299 #665D99 #845D99

triadic

#665D99 #99665D #5D9966

tetradic

#665D99 #995D72 #90995D #5D9984

square

#665D99 #995D72 #90995D #5D9984

split-complementary

#665D99 #99845D #72995D

monochromatic

#332F4D #4D4673 #665D99 #8881B2 #ACA7C9

Accessibility & contrast

On white

5.85

#665D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#665D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665D99

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665D99	#FFFFFF	#000000	##FFFFFF
##665D99	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B669B

Deuteranopia (green-blind)

#4B6398

Tritanopia (blue-blind)

#5A6874

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #665d99;
/* rgb */ color: rgb(102, 93, 153);
/* oklch */ color: oklch(51.3% 0.094 289.6);

Tailwind

colors: {
  custom: {
    50: '#938bb7',
    500: '#665d99',
    950: '#000000',
  },
}

SCSS

$custom: #665d99;
$custom-light: #938bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#665d99",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 153
  },
  "hsl": {
    "h": 249,
    "s": 24.39,
    "l": 48.235
  },
  "oklch": {
    "l": 0.51303,
    "c": 0.09368,
    "h": 289.6
  },
  "luminance": 0.12953
}

Semantic roles & 50–950 ramp

primary

#665D99

secondary

#B3B89A

accent

#C167B3

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C11

muted

#7E7D80

Preview Lab

Preview with #665D99

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

Preview Lab → · Contrast checker → · Palette generator →