#665DF7#665DF7

#665DF7 is a mid, highly saturated blue. Relative luminance 0.174; OKLCH L 57.7% C 0.222 H 279.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#665DF7
RGB	rgb(102, 93, 247)
HSL	hsl(244, 91%, 67%)
HSV	hsv(244, 62%, 97%)
CMYK	cmyk(58.7%, 62.3%, 0%, 3.1%)
CIE-LAB	lab(48.72, 46.35, -76.08)
CIE-LCH	lch(48.72, 89.08, 301.35°)
OKLab	oklab(57.72% 0.0365 -0.2189)
OKLCH	oklch(57.72% 0.222 279.5)
XYZ	xyz(26.1770, 17.3670, 89.9504)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DF7 #EEF75D

analogous

#5DA1F7 #665DF7 #B35DF7

triadic

#665DF7 #F7665D #5DF766

tetradic

#665DF7 #F75DA1 #EEF75D #5DF7B3

square

#665DF7 #F75DA1 #EEF75D #5DF7B3

split-complementary

#665DF7 #F7B35D #A1F75D

monochromatic

#160ACF #2F23F4 #665DF7 #9D97FA #D4D2FD

Accessibility & contrast

On white

4.69

#665DF7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#665DF7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DF7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DF7	#FFFFFF	#000000	##FFFFFF
##665DF7	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AFC

Deuteranopia (green-blind)

#006EF4

Tritanopia (blue-blind)

#0083A2

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #665df7;
/* rgb */ color: rgb(102, 93, 247);
/* oklch */ color: oklch(57.7% 0.222 279.5);

Tailwind

colors: {
  custom: {
    50: '#9f8cfb',
    500: '#665df7',
    950: '#000000',
  },
}

SCSS

$custom: #665df7;
$custom-light: #9f8cfb;
$custom-dark: #000000;

JSON

{
  "hex": "#665df7",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 247
  },
  "hsl": {
    "h": 243.506,
    "s": 90.588,
    "l": 66.667
  },
  "oklch": {
    "l": 0.57716,
    "c": 0.22191,
    "h": 279.5
  },
  "luminance": 0.17369
}

Semantic roles & 50–950 ramp

primary

#665DF7

secondary

#EEF1BF

accent

#E600D8

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #665DF7

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

Preview Lab → · Contrast checker → · Palette generator →