#665FBD#665FBD

#665FBD is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.8% C 0.143 H 283.9°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#665FBD
RGB	rgb(102, 95, 189)
HSL	hsl(244, 42%, 56%)
HSV	hsv(244, 50%, 74%)
CMYK	cmyk(46%, 49.7%, 0%, 25.9%)
CIE-LAB	lab(45.20, 27.31, -48.77)
CIE-LCH	lch(45.20, 55.90, 299.25°)
OKLab	oklab(53.84% 0.0343 -0.1386)
OKLCH	oklch(53.84% 0.143 283.9)
XYZ	xyz(18.7543, 14.6825, 49.9801)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FBD #B6BD5F

analogous

#5F87BD #665FBD #955FBD

triadic

#665FBD #BD665F #5FBD66

tetradic

#665FBD #BD5F87 #B6BD5F #5FBD95

square

#665FBD #BD5F87 #B6BD5F #5FBD95

split-complementary

#665FBD #BD955F #87BD5F

monochromatic

#342F72 #48419E #665FBD #8F8ACF #B9B6E1

Accessibility & contrast

On white

5.33

#665FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#665FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FBD

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FBD	#FFFFFF	#000000	##FFFFFF
##665FBD	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366EC0

Deuteranopia (green-blind)

#3168BB

Tritanopia (blue-blind)

#497385

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665fbd;
/* rgb */ color: rgb(102, 95, 189);
/* oklch */ color: oklch(53.8% 0.143 283.9);

Tailwind

colors: {
  custom: {
    50: '#978cd1',
    500: '#665fbd',
    950: '#000000',
  },
}

SCSS

$custom: #665fbd;
$custom-light: #978cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#665fbd",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 189
  },
  "hsl": {
    "h": 244.468,
    "s": 41.593,
    "l": 55.686
  },
  "oklch": {
    "l": 0.53844,
    "c": 0.14276,
    "h": 283.9
  },
  "luminance": 0.14683
}

Semantic roles & 50–950 ramp

primary

#665FBD

secondary

#CDCFA8

accent

#D156C8

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #665FBD

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

Preview Lab → · Contrast checker → · Palette generator →