#6655F3#6655F3

#6655F3 is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 56.1% C 0.226 H 281.1°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#6655F3
RGB	rgb(102, 85, 243)
HSL	hsl(246, 87%, 64%)
HSV	hsv(246, 65%, 95%)
CMYK	cmyk(58%, 65%, 0%, 4.7%)
CIE-LAB	lab(46.70, 49.68, -77.14)
CIE-LCH	lch(46.70, 91.75, 302.78°)
OKLab	oklab(56.15% 0.0436 -0.222)
OKLCH	oklch(56.15% 0.226 281.1)
XYZ	xyz(24.9006, 15.7911, 86.5125)
Luminance	0.1579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6655F3 #E2F355

analogous

#5593F3 #6655F3 #B555F3

triadic

#6655F3 #F36655 #55F366

tetradic

#6655F3 #F35593 #E2F355 #55F3B5

square

#6655F3 #F35593 #E2F355 #55F3B5

split-complementary

#6655F3 #F3B555 #93F355

monochromatic

#210EC0 #331CEF #6655F3 #998EF7 #CDC7FB

Accessibility & contrast

On white

5.05

#6655F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#6655F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6655F3

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6655F3	#FFFFFF	#000000	##FFFFFF
##6655F3	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F8

Deuteranopia (green-blind)

#0069F0

Tritanopia (blue-blind)

#007D9D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6655f3;
/* rgb */ color: rgb(102, 85, 243);
/* oklch */ color: oklch(56.1% 0.226 281.1);

Tailwind

colors: {
  custom: {
    50: '#9f86f8',
    500: '#6655f3',
    950: '#000000',
  },
}

SCSS

$custom: #6655f3;
$custom-light: #9f86f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6655f3",
  "rgb": {
    "r": 102,
    "g": 85,
    "b": 243
  },
  "hsl": {
    "h": 246.456,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.5615,
    "c": 0.22627,
    "h": 281.1
  },
  "luminance": 0.15793
}

Semantic roles & 50–950 ramp

primary

#6655F3

secondary

#E7EDB6

accent

#E302CB

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6655F3

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

Preview Lab → · Contrast checker → · Palette generator →