#6558CD#6558CD

#6558CD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.6% C 0.174 H 283.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#6558CD
RGB	rgb(101, 88, 205)
HSL	hsl(247, 54%, 57%)
HSV	hsv(247, 57%, 80%)
CMYK	cmyk(50.7%, 57.1%, 0%, 19.6%)
CIE-LAB	lab(44.45, 36.20, -59.22)
CIE-LCH	lch(44.45, 69.41, 301.43°)
OKLab	oklab(53.6% 0.0418 -0.1694)
OKLCH	oklch(53.6% 0.174 283.9)
XYZ	xyz(19.8727, 14.1529, 59.4304)
Luminance	0.1415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6558CD #C0CD58

analogous

#5885CD #6558CD #A058CD

triadic

#6558CD #CD6558 #58CD65

tetradic

#6558CD #CD5885 #C0CD58 #58CDA0

square

#6558CD #CD5885 #C0CD58 #58CDA0

split-complementary

#6558CD #CDA058 #85CD58

monochromatic

#322783 #4335B2 #6558CD #9087DB #BCB6E9

Accessibility & contrast

On white

5.48

#6558CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#6558CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6558CD

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6558CD	#FFFFFF	#000000	##FFFFFF
##6558CD	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD1

Deuteranopia (green-blind)

#0065CB

Tritanopia (blue-blind)

#3D738A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #6558cd;
/* rgb */ color: rgb(101, 88, 205);
/* oklch */ color: oklch(53.6% 0.174 283.9);

Tailwind

colors: {
  custom: {
    50: '#9987dd',
    500: '#6558cd',
    950: '#000000',
  },
}

SCSS

$custom: #6558cd;
$custom-light: #9987dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6558cd",
  "rgb": {
    "r": 101,
    "g": 88,
    "b": 205
  },
  "hsl": {
    "h": 246.667,
    "s": 53.917,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53599,
    "c": 0.17447,
    "h": 283.9
  },
  "luminance": 0.14154
}

Semantic roles & 50–950 ramp

primary

#6558CD

secondary

#D3D8A9

accent

#DD4BCD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6558CD

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

Preview Lab → · Contrast checker → · Palette generator →