#6555F3#6555F3

#6555F3 is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 56.1% C 0.226 H 280.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#6555F3
RGB	rgb(101, 85, 243)
HSL	hsl(246, 87%, 64%)
HSV	hsv(246, 65%, 95%)
CMYK	cmyk(58.4%, 65%, 0%, 4.7%)
CIE-LAB	lab(46.62, 49.53, -77.27)
CIE-LCH	lch(46.62, 91.78, 302.66°)
OKLab	oklab(56.08% 0.0423 -0.2224)
OKLCH	oklch(56.08% 0.226 280.8)
XYZ	xyz(24.7879, 15.7330, 86.5072)
Luminance	0.1573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6555F3 #E3F355

analogous

#5594F3 #6555F3 #B455F3

triadic

#6555F3 #F36555 #55F365

tetradic

#6555F3 #F35594 #E3F355 #55F3B4

square

#6555F3 #F35594 #E3F355 #55F3B4

split-complementary

#6555F3 #F3B455 #94F355

monochromatic

#200EC0 #311CEF #6555F3 #998EF7 #CDC7FB

Accessibility & contrast

On white

5.06

#6555F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#6555F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6555F3

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6555F3	#FFFFFF	#000000	##FFFFFF
##6555F3	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F8

Deuteranopia (green-blind)

#0069F0

Tritanopia (blue-blind)

#007D9D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #6555f3;
/* rgb */ color: rgb(101, 85, 243);
/* oklch */ color: oklch(56.1% 0.226 280.8);

Tailwind

colors: {
  custom: {
    50: '#9e86f8',
    500: '#6555f3',
    950: '#000000',
  },
}

SCSS

$custom: #6555f3;
$custom-light: #9e86f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6555f3",
  "rgb": {
    "r": 101,
    "g": 85,
    "b": 243
  },
  "hsl": {
    "h": 246.076,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.56075,
    "c": 0.22642,
    "h": 280.8
  },
  "luminance": 0.15735
}

Semantic roles & 50–950 ramp

primary

#6555F3

secondary

#E8EDB6

accent

#E302CD

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6555F3

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

Preview Lab → · Contrast checker → · Palette generator →