#665FB7#665FB7

#665FB7 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.5% C 0.134 H 284.5°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#665FB7
RGB	rgb(102, 95, 183)
HSL	hsl(245, 38%, 55%)
HSV	hsv(245, 48%, 72%)
CMYK	cmyk(44.3%, 48.1%, 0%, 28.2%)
CIE-LAB	lab(44.84, 25.51, -45.85)
CIE-LCH	lch(44.84, 52.47, 299.09°)
OKLab	oklab(53.46% 0.0336 -0.13)
OKLCH	oklch(53.46% 0.134 284.5)
XYZ	xyz(18.1165, 14.4273, 46.6208)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FB7 #B0B75F

analogous

#5F84B7 #665FB7 #925FB7

triadic

#665FB7 #B7665F #5FB766

tetradic

#665FB7 #B75F84 #B0B75F #5FB792

square

#665FB7 #B75F84 #B0B75F #5FB792

split-complementary

#665FB7 #B7925F #84B75F

monochromatic

#35306B #4A4396 #665FB7 #8E89CA #B7B3DD

Accessibility & contrast

On white

5.40

#665FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#665FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FB7

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FB7	#FFFFFF	#000000	##FFFFFF
##665FB7	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6DBA

Deuteranopia (green-blind)

#3867B5

Tritanopia (blue-blind)

#4D7182

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665fb7;
/* rgb */ color: rgb(102, 95, 183);
/* oklch */ color: oklch(53.5% 0.134 284.5);

Tailwind

colors: {
  custom: {
    50: '#968ccd',
    500: '#665fb7',
    950: '#000000',
  },
}

SCSS

$custom: #665fb7;
$custom-light: #968ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#665fb7",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 183
  },
  "hsl": {
    "h": 244.773,
    "s": 37.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.53461,
    "c": 0.1343,
    "h": 284.5
  },
  "luminance": 0.14428
}

Semantic roles & 50–950 ramp

primary

#665FB7

secondary

#C9CCA6

accent

#CE5AC5

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C13

muted

#7E7D82

Preview Lab

Preview with #665FB7

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

Preview Lab → · Contrast checker → · Palette generator →