#665DAA#665DAA

#665DAA is a mid, moderate blue. Relative luminance 0.136; OKLCH L 52.3% C 0.119 H 286.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#665DAA
RGB	rgb(102, 93, 170)
HSL	hsl(247, 31%, 52%)
HSV	hsv(247, 45%, 67%)
CMYK	cmyk(40%, 45.3%, 0%, 33.3%)
CIE-LAB	lab(43.59, 22.91, -40.22)
CIE-LCH	lch(43.59, 46.28, 299.67°)
OKLab	oklab(52.28% 0.0345 -0.1135)
OKLCH	oklch(52.28% 0.119 286.9)
XYZ	xyz(16.6475, 13.5552, 39.7617)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DAA #A1AA5D

analogous

#5D7BAA #665DAA #8D5DAA

triadic

#665DAA #AA665D #5DAA66

tetradic

#665DAA #AA5D7B #A1AA5D #5DAA8D

square

#665DAA #AA5D7B #A1AA5D #5DAA8D

split-complementary

#665DAA #AA8D5D #7BAA5D

monochromatic

#36305C #4D4584 #665DAA #8C85BF #B2ADD4

Accessibility & contrast

On white

5.66

#665DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#665DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DAA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DAA	#FFFFFF	#000000	##FFFFFF
##665DAA	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4169AD

Deuteranopia (green-blind)

#4065A8

Tritanopia (blue-blind)

#536C7B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #665daa;
/* rgb */ color: rgb(102, 93, 170);
/* oklch */ color: oklch(52.3% 0.119 286.9);

Tailwind

colors: {
  custom: {
    50: '#958bc4',
    500: '#665daa',
    950: '#000000',
  },
}

SCSS

$custom: #665daa;
$custom-light: #958bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#665daa",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 170
  },
  "hsl": {
    "h": 247.013,
    "s": 31.174,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52276,
    "c": 0.11865,
    "h": 286.9
  },
  "luminance": 0.13556
}

Semantic roles & 50–950 ramp

primary

#665DAA

secondary

#BEC2A0

accent

#C760BB

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665DAA

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

Preview Lab → · Contrast checker → · Palette generator →