#665DBA#665DBA

#665DBA is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.3% C 0.141 H 284.9°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#665DBA
RGB	rgb(102, 93, 186)
HSL	hsl(246, 40%, 55%)
HSV	hsv(246, 50%, 73%)
CMYK	cmyk(45.2%, 50%, 0%, 27.1%)
CIE-LAB	lab(44.52, 27.63, -48.11)
CIE-LCH	lch(44.52, 55.49, 299.87°)
OKLab	oklab(53.27% 0.0364 -0.1367)
OKLCH	oklch(53.27% 0.141 284.9)
XYZ	xyz(18.2542, 14.1979, 48.2235)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DBA #B1BA5D

analogous

#5D83BA #665DBA #945DBA

triadic

#665DBA #BA665D #5DBA66

tetradic

#665DBA #BA5D83 #B1BA5D #5DBA94

square

#665DBA #BA5D83 #B1BA5D #5DBA94

split-complementary

#665DBA #BA945D #83BA5D

monochromatic

#352F6E #4A4199 #665DBA #8F88CC #B7B3DF

Accessibility & contrast

On white

5.47

#665DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#665DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DBA

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DBA	#FFFFFF	#000000	##FFFFFF
##665DBA	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346CBD

Deuteranopia (green-blind)

#3166B8

Tritanopia (blue-blind)

#4B7183

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #665dba;
/* rgb */ color: rgb(102, 93, 186);
/* oklch */ color: oklch(53.3% 0.141 284.9);

Tailwind

colors: {
  custom: {
    50: '#968bcf',
    500: '#665dba',
    950: '#000000',
  },
}

SCSS

$custom: #665dba;
$custom-light: #968bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#665dba",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 245.806,
    "s": 40.26,
    "l": 54.706
  },
  "oklch": {
    "l": 0.53275,
    "c": 0.14145,
    "h": 284.9
  },
  "luminance": 0.14199
}

Semantic roles & 50–950 ramp

primary

#665DBA

secondary

#C9CDA6

accent

#D058C4

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #665DBA

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

Preview Lab → · Contrast checker → · Palette generator →