#665DF1#665DF1

#665DF1 is a mid, highly saturated blue. Relative luminance 0.170; OKLCH L 57.2% C 0.214 H 279.9°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#665DF1
RGB	rgb(102, 93, 241)
HSL	hsl(244, 84%, 65%)
HSV	hsv(244, 61%, 95%)
CMYK	cmyk(57.7%, 61.4%, 0%, 5.5%)
CIE-LAB	lab(48.26, 44.49, -73.47)
CIE-LCH	lch(48.26, 85.89, 301.20°)
OKLab	oklab(57.24% 0.0369 -0.2112)
OKLCH	oklch(57.24% 0.214 279.9)
XYZ	xyz(25.2660, 17.0026, 85.1525)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DF1 #E8F15D

analogous

#5D9EF1 #665DF1 #B05DF1

triadic

#665DF1 #F1665D #5DF166

tetradic

#665DF1 #F15D9E #E8F15D #5DF1B0

square

#665DF1 #F15D9E #E8F15D #5DF1B0

split-complementary

#665DF1 #F1B05D #9EF15D

monochromatic

#1C11C3 #3125EC #665DF1 #9B95F6 #D0CEFB

Accessibility & contrast

On white

4.77

#665DF1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#665DF1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DF1

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DF1	#FFFFFF	#000000	##FFFFFF
##665DF1	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F6

Deuteranopia (green-blind)

#006DEE

Tritanopia (blue-blind)

#04819E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #665df1;
/* rgb */ color: rgb(102, 93, 241);
/* oklch */ color: oklch(57.2% 0.214 279.9);

Tailwind

colors: {
  custom: {
    50: '#9e8bf7',
    500: '#665df1',
    950: '#000000',
  },
}

SCSS

$custom: #665df1;
$custom-light: #9e8bf7;
$custom-dark: #000000;

JSON

{
  "hex": "#665df1",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 241
  },
  "hsl": {
    "h": 243.649,
    "s": 84.091,
    "l": 65.49
  },
  "oklch": {
    "l": 0.5724,
    "c": 0.21442,
    "h": 279.9
  },
  "luminance": 0.17004
}

Semantic roles & 50–950 ramp

primary

#665DF1

secondary

#EBEEBC

accent

#E105D3

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #665DF1

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

Preview Lab → · Contrast checker → · Palette generator →