#665EBD#665EBD

#665EBD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.7% C 0.144 H 284.2°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#665EBD
RGB	rgb(102, 94, 189)
HSL	hsl(245, 42%, 55%)
HSV	hsv(245, 50%, 74%)
CMYK	cmyk(46%, 50.3%, 0%, 25.9%)
CIE-LAB	lab(44.95, 27.92, -49.17)
CIE-LCH	lch(44.95, 56.54, 299.59°)
OKLab	oklab(53.66% 0.0355 -0.1398)
OKLCH	oklch(53.66% 0.144 284.2)
XYZ	xyz(18.6648, 14.5035, 49.9502)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EBD #B5BD5E

analogous

#5E85BD #665EBD #965EBD

triadic

#665EBD #BD665E #5EBD66

tetradic

#665EBD #BD5E85 #B5BD5E #5EBD96

square

#665EBD #BD5E85 #B5BD5E #5EBD96

split-complementary

#665EBD #BD965E #85BD5E

monochromatic

#342F72 #48409D #665EBD #8F89CF #B8B5E1

Accessibility & contrast

On white

5.38

#665EBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#665EBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EBD

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EBD	#FFFFFF	#000000	##FFFFFF
##665EBD	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346DC0

Deuteranopia (green-blind)

#3067BB

Tritanopia (blue-blind)

#497285

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665ebd;
/* rgb */ color: rgb(102, 94, 189);
/* oklch */ color: oklch(53.7% 0.144 284.2);

Tailwind

colors: {
  custom: {
    50: '#978bd1',
    500: '#665ebd',
    950: '#000000',
  },
}

SCSS

$custom: #665ebd;
$custom-light: #978bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#665ebd",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 189
  },
  "hsl": {
    "h": 245.053,
    "s": 41.85,
    "l": 55.49
  },
  "oklch": {
    "l": 0.53657,
    "c": 0.1442,
    "h": 284.2
  },
  "luminance": 0.14504
}

Semantic roles & 50–950 ramp

primary

#665EBD

secondary

#CCCFA8

accent

#D256C7

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #665EBD

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

Preview Lab → · Contrast checker → · Palette generator →