#665AAE#665AAE

#665AAE is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.129 H 287.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#665AAE
RGB	rgb(102, 90, 174)
HSL	hsl(249, 34%, 52%)
HSV	hsv(249, 48%, 68%)
CMYK	cmyk(41.4%, 48.3%, 0%, 31.8%)
CIE-LAB	lab(43.05, 25.92, -43.43)
CIE-LCH	lch(43.05, 50.57, 300.83°)
OKLab	oklab(51.94% 0.039 -0.1229)
OKLCH	oklch(51.94% 0.129 287.6)
XYZ	xyz(16.7735, 13.1925, 41.6988)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AAE #A2AE5A

analogous

#5A78AE #665AAE #905AAE

triadic

#665AAE #AE665A #5AAE66

tetradic

#665AAE #AE5A78 #A2AE5A #5AAE90

square

#665AAE #AE5A78 #A2AE5A #5AAE90

split-complementary

#665AAE #AE905A #78AE5A

monochromatic

#362F5F #4D4388 #665AAE #8C83C2 #B2ACD6

Accessibility & contrast

On white

5.77

#665AAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#665AAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AAE

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AAE	#FFFFFF	#000000	##FFFFFF
##665AAE	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3968B1

Deuteranopia (green-blind)

#3963AC

Tritanopia (blue-blind)

#516B7C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665aae;
/* rgb */ color: rgb(102, 90, 174);
/* oklch */ color: oklch(51.9% 0.129 287.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#665aae",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 174
  },
  "hsl": {
    "h": 248.571,
    "s": 34.146,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51945,
    "c": 0.12897,
    "h": 287.6
  },
  "luminance": 0.13193
}

Semantic roles & 50–950 ramp

primary

#665AAE

secondary

#BFC49F

accent

#CA5EBB

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0B13

muted

#7E7C82

Preview Lab

Preview with #665AAE

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

Preview Lab → · Contrast checker → · Palette generator →