#665CA9#665CA9

#665CA9 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 52.0% C 0.119 H 287.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#665CA9
RGB	rgb(102, 92, 169)
HSL	hsl(248, 31%, 51%)
HSV	hsv(248, 46%, 66%)
CMYK	cmyk(39.6%, 45.6%, 0%, 33.7%)
CIE-LAB	lab(43.28, 23.23, -40.12)
CIE-LCH	lch(43.28, 46.36, 300.07°)
OKLab	oklab(52.02% 0.0357 -0.1133)
OKLCH	oklch(52.02% 0.119 287.5)
XYZ	xyz(16.4661, 13.3431, 39.2363)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CA9 #9FA95C

analogous

#5C78A9 #665CA9 #8C5CA9

triadic

#665CA9 #A9665C #5CA966

tetradic

#665CA9 #A95C78 #9FA95C #5CA98C

square

#665CA9 #A95C78 #9FA95C #5CA98C

split-complementary

#665CA9 #A98C5C #78A95C

monochromatic

#35305B #4D4583 #665CA9 #8C84BE #B1ACD3

Accessibility & contrast

On white

5.72

#665CA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#665CA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CA9

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CA9	#FFFFFF	#000000	##FFFFFF
##665CA9	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)

#4068AC

Deuteranopia (green-blind)

#3F64A7

Tritanopia (blue-blind)

#546B7A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665ca9;
/* rgb */ color: rgb(102, 92, 169);
/* oklch */ color: oklch(52.0% 0.119 287.5);

Tailwind

colors: {
  custom: {
    50: '#958ac3',
    500: '#665ca9',
    950: '#000000',
  },
}

SCSS

$custom: #665ca9;
$custom-light: #958ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#665ca9",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 169
  },
  "hsl": {
    "h": 247.792,
    "s": 30.924,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52022,
    "c": 0.11874,
    "h": 287.5
  },
  "luminance": 0.13344
}

Semantic roles & 50–950 ramp

primary

#665CA9

secondary

#BDC19F

accent

#C761BA

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #665CA9

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

Preview Lab → · Contrast checker → · Palette generator →