#665DA3#665DA3

#665DA3 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.9% C 0.108 H 287.9°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#665DA3
RGB	rgb(102, 93, 163)
HSL	hsl(248, 28%, 50%)
HSV	hsv(248, 43%, 64%)
CMYK	cmyk(37.4%, 42.9%, 0%, 36.1%)
CIE-LAB	lab(43.21, 20.89, -36.68)
CIE-LCH	lch(43.21, 42.21, 299.66°)
OKLab	oklab(51.86% 0.0333 -0.1032)
OKLCH	oklch(51.86% 0.108 287.9)
XYZ	xyz(16.0029, 13.2974, 36.3667)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DA3 #9AA35D

analogous

#5D77A3 #665DA3 #895DA3

triadic

#665DA3 #A3665D #5DA366

tetradic

#665DA3 #A35D77 #9AA35D #5DA389

square

#665DA3 #A35D77 #9AA35D #5DA389

split-complementary

#665DA3 #A3895D #77A35D

monochromatic

#353055 #4D477C #665DA3 #8B84B9 #B0ABCF

Accessibility & contrast

On white

5.74

#665DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#665DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DA3

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DA3	#FFFFFF	#000000	##FFFFFF
##665DA3	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4668A6

Deuteranopia (green-blind)

#4564A1

Tritanopia (blue-blind)

#566A78

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665da3;
/* rgb */ color: rgb(102, 93, 163);
/* oklch */ color: oklch(51.9% 0.108 287.9);

Tailwind

colors: {
  custom: {
    50: '#948bbe',
    500: '#665da3',
    950: '#000000',
  },
}

SCSS

$custom: #665da3;
$custom-light: #948bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#665da3",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 163
  },
  "hsl": {
    "h": 247.714,
    "s": 27.559,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51864,
    "c": 0.10846,
    "h": 287.9
  },
  "luminance": 0.13298
}

Semantic roles & 50–950 ramp

primary

#665DA3

secondary

#BABE9E

accent

#C464B8

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665DA3

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

Preview Lab → · Contrast checker → · Palette generator →