#665BAF#665BAF

#665BAF is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.129 H 287.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#665BAF
RGB	rgb(102, 91, 175)
HSL	hsl(248, 34%, 52%)
HSV	hsv(248, 48%, 69%)
CMYK	cmyk(41.7%, 48%, 0%, 31.4%)
CIE-LAB	lab(43.36, 25.60, -43.52)
CIE-LCH	lch(43.36, 50.49, 300.47°)
OKLab	oklab(52.2% 0.0378 -0.1232)
OKLCH	oklch(52.2% 0.129 287.1)
XYZ	xyz(16.9563, 13.4015, 42.2425)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BAF #A4AF5B

analogous

#5B7AAF #665BAF #905BAF

triadic

#665BAF #AF665B #5BAF66

tetradic

#665BAF #AF5B7A #A4AF5B #5BAF90

square

#665BAF #AF5B7A #A4AF5B #5BAF90

split-complementary

#665BAF #AF905B #7AAF5B

monochromatic

#362F61 #4C438A #665BAF #8C84C3 #B3ADD7

Accessibility & contrast

On white

5.71

#665BAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#665BAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BAF

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BAF	#FFFFFF	#000000	##FFFFFF
##665BAF	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A69B2

Deuteranopia (green-blind)

#3964AD

Tritanopia (blue-blind)

#516C7C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665baf;
/* rgb */ color: rgb(102, 91, 175);
/* oklch */ color: oklch(52.2% 0.129 287.1);

Tailwind

colors: {
  custom: {
    50: '#9589c7',
    500: '#665baf',
    950: '#000000',
  },
}

SCSS

$custom: #665baf;
$custom-light: #9589c7;
$custom-dark: #000000;

JSON

{
  "hex": "#665baf",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 175
  },
  "hsl": {
    "h": 247.857,
    "s": 34.426,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52197,
    "c": 0.12888,
    "h": 287.1
  },
  "luminance": 0.13402
}

Semantic roles & 50–950 ramp

primary

#665BAF

secondary

#C0C5A1

accent

#CB5DBC

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0B13

muted

#7E7C82

Preview Lab

Preview with #665BAF

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

Preview Lab → · Contrast checker → · Palette generator →