#6558CE#6558CE

#6558CE is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.7% C 0.176 H 283.8°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#6558CE
RGB	rgb(101, 88, 206)
HSL	hsl(247, 55%, 58%)
HSV	hsv(247, 57%, 81%)
CMYK	cmyk(51%, 57.3%, 0%, 19.2%)
CIE-LAB	lab(44.52, 36.50, -59.69)
CIE-LCH	lch(44.52, 69.96, 301.45°)
OKLab	oklab(53.67% 0.0418 -0.1708)
OKLCH	oklch(53.67% 0.176 283.8)
XYZ	xyz(19.9938, 14.2013, 60.0682)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6558CE #C1CE58

analogous

#5886CE #6558CE #A058CE

triadic

#6558CE #CE6558 #58CE65

tetradic

#6558CE #CE5886 #C1CE58 #58CEA0

square

#6558CE #CE5886 #C1CE58 #58CEA0

split-complementary

#6558CE #CEA058 #86CE58

monochromatic

#312785 #4335B4 #6558CE #9187DC #BCB7EA

Accessibility & contrast

On white

5.47

#6558CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#6558CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6558CE

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6558CE	#FFFFFF	#000000	##FFFFFF
##6558CE	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD2

Deuteranopia (green-blind)

#0065CC

Tritanopia (blue-blind)

#3C738A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #6558ce;
/* rgb */ color: rgb(101, 88, 206);
/* oklch */ color: oklch(53.7% 0.176 283.8);

Tailwind

colors: {
  custom: {
    50: '#9987de',
    500: '#6558ce',
    950: '#000000',
  },
}

SCSS

$custom: #6558ce;
$custom-light: #9987de;
$custom-dark: #000000;

JSON

{
  "hex": "#6558ce",
  "rgb": {
    "r": 101,
    "g": 88,
    "b": 206
  },
  "hsl": {
    "h": 246.61,
    "s": 54.63,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53672,
    "c": 0.17579,
    "h": 283.8
  },
  "luminance": 0.14202
}

Semantic roles & 50–950 ramp

primary

#6558CE

secondary

#D3D9A9

accent

#DE4ACE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #6558CE

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

Preview Lab → · Contrast checker → · Palette generator →