#6664E7#6664E7

#6664E7 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.7% C 0.193 H 279.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#6664E7
RGB	rgb(102, 100, 231)
HSL	hsl(241, 73%, 65%)
HSV	hsv(241, 57%, 91%)
CMYK	cmyk(55.8%, 56.7%, 0%, 9.4%)
CIE-LAB	lab(49.14, 37.25, -66.43)
CIE-LCH	lch(49.14, 76.16, 299.28°)
OKLab	oklab(57.66% 0.0307 -0.1905)
OKLCH	oklch(57.66% 0.193 279.1)
XYZ	xyz(24.4559, 17.7070, 77.7149)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6664E7 #E5E764

analogous

#64A4E7 #6664E7 #A864E7

triadic

#6664E7 #E76664 #64E766

tetradic

#6664E7 #E764A4 #E5E764 #64E7A8

square

#6664E7 #E764A4 #E5E764 #64E7A8

split-complementary

#6664E7 #E7A864 #A4E764

monochromatic

#1E1CB5 #322FDF #6664E7 #9A99EF #CFCEF7

Accessibility & contrast

On white

4.62

#6664E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#6664E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6664E7

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6664E7	#FFFFFF	#000000	##FFFFFF
##6664E7	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AEB

Deuteranopia (green-blind)

#0070E4

Tritanopia (blue-blind)

#20839C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6664e7;
/* rgb */ color: rgb(102, 100, 231);
/* oklch */ color: oklch(57.7% 0.193 279.1);

Tailwind

colors: {
  custom: {
    50: '#9c90ef',
    500: '#6664e7',
    950: '#000000',
  },
}

SCSS

$custom: #6664e7;
$custom-light: #9c90ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6664e7",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 231
  },
  "hsl": {
    "h": 240.916,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.57658,
    "c": 0.19293,
    "h": 279.1
  },
  "luminance": 0.17709
}

Semantic roles & 50–950 ramp

primary

#6664E7

secondary

#E9EABD

accent

#D510D2

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6664E7

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

Preview Lab → · Contrast checker → · Palette generator →