#665DB2#665DB2

#665DB2 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.8% C 0.130 H 285.9°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#665DB2
RGB	rgb(102, 93, 178)
HSL	hsl(246, 36%, 53%)
HSV	hsv(246, 48%, 70%)
CMYK	cmyk(42.7%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(44.04, 25.25, -44.20)
CIE-LCH	lch(44.04, 50.90, 299.74°)
OKLab	oklab(52.77% 0.0356 -0.1252)
OKLCH	oklch(52.77% 0.13 285.9)
XYZ	xyz(17.4274, 13.8672, 43.8692)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DB2 #A9B25D

analogous

#5D7EB2 #665DB2 #905DB2

triadic

#665DB2 #B2665D #5DB266

tetradic

#665DB2 #B25D7E #A9B25D #5DB290

square

#665DB2 #B25D7E #A9B25D #5DB290

split-complementary

#665DB2 #B2905D #7EB25D

monochromatic

#353065 #4B448E #665DB2 #8D86C6 #B4B0D9

Accessibility & contrast

On white

5.56

#665DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#665DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DB2

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DB2	#FFFFFF	#000000	##FFFFFF
##665DB2	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6AB5

Deuteranopia (green-blind)

#3966B0

Tritanopia (blue-blind)

#4F6E7F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #665db2;
/* rgb */ color: rgb(102, 93, 178);
/* oklch */ color: oklch(52.8% 0.130 285.9);

Tailwind

colors: {
  custom: {
    50: '#968bc9',
    500: '#665db2',
    950: '#000000',
  },
}

SCSS

$custom: #665db2;
$custom-light: #968bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#665db2",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 246.353,
    "s": 35.565,
    "l": 53.137
  },
  "oklch": {
    "l": 0.52766,
    "c": 0.13015,
    "h": 285.9
  },
  "luminance": 0.13868
}

Semantic roles & 50–950 ramp

primary

#665DB2

secondary

#C4C8A3

accent

#CC5CC0

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0C13

muted

#7E7D82

Preview Lab

Preview with #665DB2

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

Preview Lab → · Contrast checker → · Palette generator →