#665FBF#665FBF

#665FBF is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.0% C 0.146 H 283.7°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#665FBF
RGB	rgb(102, 95, 191)
HSL	hsl(244, 43%, 56%)
HSV	hsv(244, 50%, 75%)
CMYK	cmyk(46.6%, 50.3%, 0%, 25.1%)
CIE-LAB	lab(45.32, 27.92, -49.74)
CIE-LCH	lch(45.32, 57.03, 299.30°)
OKLab	oklab(53.97% 0.0344 -0.1414)
OKLCH	oklch(53.97% 0.146 283.7)
XYZ	xyz(18.9729, 14.7699, 51.1313)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FBF #B8BF5F

analogous

#5F88BF #665FBF #965FBF

triadic

#665FBF #BF665F #5FBF66

tetradic

#665FBF #BF5F88 #B8BF5F #5FBF96

square

#665FBF #BF5F88 #B8BF5F #5FBF96

split-complementary

#665FBF #BF965F #88BF5F

monochromatic

#342F75 #4740A1 #665FBF #908BD0 #BAB6E2

Accessibility & contrast

On white

5.31

#665FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#665FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FBF

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FBF	#FFFFFF	#000000	##FFFFFF
##665FBF	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346EC2

Deuteranopia (green-blind)

#2F68BD

Tritanopia (blue-blind)

#487386

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665fbf;
/* rgb */ color: rgb(102, 95, 191);
/* oklch */ color: oklch(54.0% 0.146 283.7);

Tailwind

colors: {
  custom: {
    50: '#978cd3',
    500: '#665fbf',
    950: '#000000',
  },
}

SCSS

$custom: #665fbf;
$custom-light: #978cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#665fbf",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 191
  },
  "hsl": {
    "h": 244.375,
    "s": 42.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.53975,
    "c": 0.14556,
    "h": 283.7
  },
  "luminance": 0.14771
}

Semantic roles & 50–950 ramp

primary

#665FBF

secondary

#CED1A9

accent

#D355C9

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665FBF

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

Preview Lab → · Contrast checker → · Palette generator →