#665BAE#665BAE

#665BAE is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.1% C 0.127 H 287.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#665BAE
RGB	rgb(102, 91, 174)
HSL	hsl(248, 34%, 52%)
HSV	hsv(248, 48%, 68%)
CMYK	cmyk(41.4%, 47.7%, 0%, 31.8%)
CIE-LAB	lab(43.30, 25.31, -43.02)
CIE-LCH	lch(43.30, 49.91, 300.46°)
OKLab	oklab(52.14% 0.0377 -0.1218)
OKLCH	oklch(52.14% 0.127 287.2)
XYZ	xyz(16.8584, 13.3624, 41.7271)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BAE #A3AE5B

analogous

#5B7AAE #665BAE #905BAE

triadic

#665BAE #AE665B #5BAE66

tetradic

#665BAE #AE5B7A #A3AE5B #5BAE90

square

#665BAE #AE5B7A #A3AE5B #5BAE90

split-complementary

#665BAE #AE905B #7AAE5B

monochromatic

#362F5F #4D4388 #665BAE #8C84C2 #B2ADD6

Accessibility & contrast

On white

5.72

#665BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#665BAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BAE

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BAE	#FFFFFF	#000000	##FFFFFF
##665BAE	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B68B1

Deuteranopia (green-blind)

#3A64AC

Tritanopia (blue-blind)

#516C7C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665bae;
/* rgb */ color: rgb(102, 91, 174);
/* oklch */ color: oklch(52.1% 0.127 287.2);

Tailwind

colors: {
  custom: {
    50: '#9589c6',
    500: '#665bae',
    950: '#000000',
  },
}

SCSS

$custom: #665bae;
$custom-light: #9589c6;
$custom-dark: #000000;

JSON

{
  "hex": "#665bae",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 174
  },
  "hsl": {
    "h": 247.952,
    "s": 33.878,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52135,
    "c": 0.12745,
    "h": 287.2
  },
  "luminance": 0.13363
}

Semantic roles & 50–950 ramp

primary

#665BAE

secondary

#C0C5A0

accent

#CA5EBC

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0B13

muted

#7E7C82

Preview Lab

Preview with #665BAE

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

Preview Lab → · Contrast checker → · Palette generator →