#665FB2#665FB2

#665FB2 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.1% C 0.127 H 285.0°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#665FB2
RGB	rgb(102, 95, 178)
HSL	hsl(245, 35%, 54%)
HSV	hsv(245, 47%, 70%)
CMYK	cmyk(42.7%, 46.6%, 0%, 30.2%)
CIE-LAB	lab(44.55, 24.02, -43.39)
CIE-LCH	lch(44.55, 49.59, 298.97°)
OKLab	oklab(53.15% 0.033 -0.1228)
OKLCH	oklch(53.15% 0.127 285)
XYZ	xyz(17.6053, 14.2229, 43.9285)
Luminance	0.1422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FB2 #ABB25F

analogous

#5F81B2 #665FB2 #8F5FB2

triadic

#665FB2 #B2665F #5FB266

tetradic

#665FB2 #B25F81 #ABB25F #5FB28F

square

#665FB2 #B25F81 #ABB25F #5FB28F

split-complementary

#665FB2 #B28F5F #81B25F

monochromatic

#353166 #4B458F #665FB2 #8E88C6 #B5B2DA

Accessibility & contrast

On white

5.46

#665FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#665FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FB2

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FB2	#FFFFFF	#000000	##FFFFFF
##665FB2	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6CB5

Deuteranopia (green-blind)

#3C67B0

Tritanopia (blue-blind)

#4F7080

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #665fb2;
/* rgb */ color: rgb(102, 95, 178);
/* oklch */ color: oklch(53.1% 0.127 285.0);

Tailwind

colors: {
  custom: {
    50: '#968cc9',
    500: '#665fb2',
    950: '#000000',
  },
}

SCSS

$custom: #665fb2;
$custom-light: #968cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#665fb2",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 178
  },
  "hsl": {
    "h": 245.06,
    "s": 35.021,
    "l": 53.529
  },
  "oklch": {
    "l": 0.5315,
    "c": 0.12716,
    "h": 285
  },
  "luminance": 0.14224
}

Semantic roles & 50–950 ramp

primary

#665FB2

secondary

#C5C8A5

accent

#CB5DC2

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0C13

muted

#7E7D82

Preview Lab

Preview with #665FB2

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

Preview Lab → · Contrast checker → · Palette generator →