#665FB6#665FB6

#665FB6 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.4% C 0.133 H 284.6°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#665FB6
RGB	rgb(102, 95, 182)
HSL	hsl(245, 37%, 54%)
HSV	hsv(245, 48%, 71%)
CMYK	cmyk(44%, 47.8%, 0%, 28.6%)
CIE-LAB	lab(44.78, 25.21, -45.36)
CIE-LCH	lch(44.78, 51.89, 299.07°)
OKLab	oklab(53.4% 0.0335 -0.1286)
OKLCH	oklch(53.4% 0.133 284.6)
XYZ	xyz(18.0127, 14.3858, 46.0746)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FB6 #AFB65F

analogous

#5F84B6 #665FB6 #925FB6

triadic

#665FB6 #B6665F #5FB666

tetradic

#665FB6 #B65F84 #AFB65F #5FB692

square

#665FB6 #B65F84 #AFB65F #5FB692

split-complementary

#665FB6 #B6925F #84B65F

monochromatic

#35306A #4A4494 #665FB6 #8E89C9 #B6B3DC

Accessibility & contrast

On white

5.42

#665FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#665FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FB6

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FB6	#FFFFFF	#000000	##FFFFFF
##665FB6	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6DB9

Deuteranopia (green-blind)

#3967B4

Tritanopia (blue-blind)

#4D7182

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665fb6;
/* rgb */ color: rgb(102, 95, 182);
/* oklch */ color: oklch(53.4% 0.133 284.6);

Tailwind

colors: {
  custom: {
    50: '#968ccc',
    500: '#665fb6',
    950: '#000000',
  },
}

SCSS

$custom: #665fb6;
$custom-light: #968ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#665fb6",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 182
  },
  "hsl": {
    "h": 244.828,
    "s": 37.339,
    "l": 54.314
  },
  "oklch": {
    "l": 0.53398,
    "c": 0.13287,
    "h": 284.6
  },
  "luminance": 0.14387
}

Semantic roles & 50–950 ramp

primary

#665FB6

secondary

#C8CBA6

accent

#CD5AC4

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C13

muted

#7E7D82

Preview Lab

Preview with #665FB6

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

Preview Lab → · Contrast checker → · Palette generator →