#664DE5#664DE5

#664DE5 is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.8% C 0.218 H 283.8°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#664DE5
RGB	rgb(102, 77, 229)
HSL	hsl(250, 75%, 60%)
HSV	hsv(250, 66%, 90%)
CMYK	cmyk(55.5%, 66.4%, 0%, 10.2%)
CIE-LAB	lab(43.93, 49.95, -73.78)
CIE-LCH	lch(43.93, 89.09, 304.10°)
OKLab	oklab(53.8% 0.0521 -0.2122)
OKLCH	oklch(53.8% 0.218 283.8)
XYZ	xyz(22.2719, 13.7883, 75.6014)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DE5 #CCE54D

analogous

#4D80E5 #664DE5 #B24DE5

triadic

#664DE5 #E5664D #4DE566

tetradic

#664DE5 #E54D80 #CCE54D #4DE5B2

square

#664DE5 #E54D80 #CCE54D #4DE5B2

split-complementary

#664DE5 #E5B24D #80E54D

monochromatic

#2E17A0 #3D1FD6 #664DE5 #9482ED #C2B8F5

Accessibility & contrast

On white

5.59

#664DE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#664DE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DE5

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DE5	#FFFFFF	#000000	##FFFFFF
##664DE5	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CEA

Deuteranopia (green-blind)

#0063E2

Tritanopia (blue-blind)

#287493

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #664de5;
/* rgb */ color: rgb(102, 77, 229);
/* oklch */ color: oklch(53.8% 0.218 283.8);

Tailwind

colors: {
  custom: {
    50: '#9d81ee',
    500: '#664de5',
    950: '#000000',
  },
}

SCSS

$custom: #664de5;
$custom-light: #9d81ee;
$custom-dark: #000000;

JSON

{
  "hex": "#664de5",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 229
  },
  "hsl": {
    "h": 249.868,
    "s": 74.51,
    "l": 60
  },
  "oklch": {
    "l": 0.538,
    "c": 0.21846,
    "h": 283.8
  },
  "luminance": 0.1379
}

Semantic roles & 50–950 ramp

primary

#664DE5

secondary

#DBE4AA

accent

#F137D2

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #664DE5

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

Preview Lab → · Contrast checker → · Palette generator →