#664DE8#664DE8

#664DE8 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 54.1% C 0.222 H 283.4°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#664DE8
RGB	rgb(102, 77, 232)
HSL	hsl(250, 77%, 61%)
HSV	hsv(250, 67%, 91%)
CMYK	cmyk(56%, 66.8%, 0%, 9%)
CIE-LAB	lab(44.17, 50.83, -75.08)
CIE-LCH	lch(44.17, 90.67, 304.10°)
OKLab	oklab(54.05% 0.0516 -0.216)
OKLCH	oklch(54.05% 0.222 283.4)
XYZ	xyz(22.6944, 13.9573, 77.8265)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DE8 #CFE84D

analogous

#4D82E8 #664DE8 #B34DE8

triadic

#664DE8 #E8664D #4DE866

tetradic

#664DE8 #E84D82 #CFE84D #4DE8B3

square

#664DE8 #E84D82 #CFE84D #4DE8B3

split-complementary

#664DE8 #E8B34D #82E84D

monochromatic

#2D15A5 #3B1CDB #664DE8 #9583EF #C3B9F6

Accessibility & contrast

On white

5.54

#664DE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#664DE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DE8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DE8	#FFFFFF	#000000	##FFFFFF
##664DE8	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DED

Deuteranopia (green-blind)

#0063E5

Tritanopia (blue-blind)

#237594

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #664de8;
/* rgb */ color: rgb(102, 77, 232);
/* oklch */ color: oklch(54.1% 0.222 283.4);

Tailwind

colors: {
  custom: {
    50: '#9e81f0',
    500: '#664de8',
    950: '#000000',
  },
}

SCSS

$custom: #664de8;
$custom-light: #9e81f0;
$custom-dark: #000000;

JSON

{
  "hex": "#664de8",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 232
  },
  "hsl": {
    "h": 249.677,
    "s": 77.114,
    "l": 60.588
  },
  "oklch": {
    "l": 0.54051,
    "c": 0.22207,
    "h": 283.4
  },
  "luminance": 0.13959
}

Semantic roles & 50–950 ramp

primary

#664DE8

secondary

#DCE6AB

accent

#D90CB8

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #664DE8

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

Preview Lab → · Contrast checker → · Palette generator →