#6664E5#6664E5

#6664E5 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.5% C 0.190 H 279.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#6664E5
RGB	rgb(102, 100, 229)
HSL	hsl(241, 71%, 65%)
HSV	hsv(241, 56%, 90%)
CMYK	cmyk(55.5%, 56.3%, 0%, 10.2%)
CIE-LAB	lab(49.00, 36.62, -65.52)
CIE-LCH	lch(49.00, 75.06, 299.20°)
OKLab	oklab(57.51% 0.0307 -0.1878)
OKLCH	oklch(57.51% 0.19 279.3)
XYZ	xyz(24.1751, 17.5947, 76.2358)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6664E5 #E3E564

analogous

#64A3E5 #6664E5 #A664E5

triadic

#6664E5 #E56664 #64E566

tetradic

#6664E5 #E564A3 #E3E564 #64E5A6

square

#6664E5 #E564A3 #E3E564 #64E5A6

split-complementary

#6664E5 #E5A664 #A3E564

monochromatic

#201EB1 #3230DC #6664E5 #9A98EE #CDCDF7

Accessibility & contrast

On white

4.65

#6664E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#6664E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6664E5

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6664E5	#FFFFFF	#000000	##FFFFFF
##6664E5	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AE9

Deuteranopia (green-blind)

#006FE2

Tritanopia (blue-blind)

#23829B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6664e5;
/* rgb */ color: rgb(102, 100, 229);
/* oklch */ color: oklch(57.5% 0.190 279.3);

Tailwind

colors: {
  custom: {
    50: '#9c90ee',
    500: '#6664e5',
    950: '#000000',
  },
}

SCSS

$custom: #6664e5;
$custom-light: #9c90ee;
$custom-dark: #000000;

JSON

{
  "hex": "#6664e5",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 229
  },
  "hsl": {
    "h": 240.93,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.57512,
    "c": 0.19031,
    "h": 279.3
  },
  "luminance": 0.17596
}

Semantic roles & 50–950 ramp

primary

#6664E5

secondary

#E8E9BC

accent

#D312D0

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6664E5

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

Preview Lab → · Contrast checker → · Palette generator →