#665EBE#665EBE

#665EBE is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.7% C 0.146 H 284.1°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#665EBE
RGB	rgb(102, 94, 190)
HSL	hsl(245, 42%, 56%)
HSV	hsv(245, 51%, 75%)
CMYK	cmyk(46.3%, 50.5%, 0%, 25.5%)
CIE-LAB	lab(45.01, 28.23, -49.65)
CIE-LCH	lch(45.01, 57.11, 299.62°)
OKLab	oklab(53.72% 0.0356 -0.1412)
OKLCH	oklch(53.72% 0.146 284.1)
XYZ	xyz(18.7737, 14.5470, 50.5239)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EBE #B6BE5E

analogous

#5E86BE #665EBE #965EBE

triadic

#665EBE #BE665E #5EBE66

tetradic

#665EBE #BE5E86 #B6BE5E #5EBE96

square

#665EBE #BE5E86 #B6BE5E #5EBE96

split-complementary

#665EBE #BE965E #86BE5E

monochromatic

#342E73 #48409F #665EBE #8F8AD0 #B9B5E1

Accessibility & contrast

On white

5.37

#665EBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#665EBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EBE

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EBE	#FFFFFF	#000000	##FFFFFF
##665EBE	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DC1

Deuteranopia (green-blind)

#2E67BC

Tritanopia (blue-blind)

#497285

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665ebe;
/* rgb */ color: rgb(102, 94, 190);
/* oklch */ color: oklch(53.7% 0.146 284.1);

Tailwind

colors: {
  custom: {
    50: '#978bd2',
    500: '#665ebe',
    950: '#000000',
  },
}

SCSS

$custom: #665ebe;
$custom-light: #978bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#665ebe",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 190
  },
  "hsl": {
    "h": 245,
    "s": 42.478,
    "l": 55.686
  },
  "oklch": {
    "l": 0.53722,
    "c": 0.1456,
    "h": 284.1
  },
  "luminance": 0.14548
}

Semantic roles & 50–950 ramp

primary

#665EBE

secondary

#CDD0A8

accent

#D256C8

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665EBE

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

Preview Lab → · Contrast checker → · Palette generator →