#665FBA#665FBA

#665FBA is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.7% C 0.139 H 284.2°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#665FBA
RGB	rgb(102, 95, 186)
HSL	hsl(245, 40%, 55%)
HSV	hsv(245, 49%, 73%)
CMYK	cmyk(45.2%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(45.02, 26.41, -47.31)
CIE-LCH	lch(45.02, 54.18, 299.17°)
OKLab	oklab(53.65% 0.034 -0.1343)
OKLCH	oklch(53.65% 0.139 284.2)
XYZ	xyz(18.4320, 14.5536, 48.2828)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FBA #B3BA5F

analogous

#5F86BA #665FBA #935FBA

triadic

#665FBA #BA665F #5FBA66

tetradic

#665FBA #BA5F86 #B3BA5F #5FBA93

square

#665FBA #BA5F86 #B3BA5F #5FBA93

split-complementary

#665FBA #BA935F #86BA5F

monochromatic

#35306F #49429A #665FBA #8F8ACC #B8B5DF

Accessibility & contrast

On white

5.37

#665FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#665FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FBA

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FBA	#FFFFFF	#000000	##FFFFFF
##665FBA	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)

#386DBD

Deuteranopia (green-blind)

#3568B8

Tritanopia (blue-blind)

#4B7284

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665fba;
/* rgb */ color: rgb(102, 95, 186);
/* oklch */ color: oklch(53.7% 0.139 284.2);

Tailwind

colors: {
  custom: {
    50: '#968ccf',
    500: '#665fba',
    950: '#000000',
  },
}

SCSS

$custom: #665fba;
$custom-light: #968ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#665fba",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 244.615,
    "s": 39.738,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53651,
    "c": 0.13853,
    "h": 284.2
  },
  "luminance": 0.14554
}

Semantic roles & 50–950 ramp

primary

#665FBA

secondary

#CBCDA7

accent

#D058C6

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #665FBA

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

Preview Lab → · Contrast checker → · Palette generator →