#6558BC#6558BC

#6558BC is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.4% C 0.152 H 285.9°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#6558BC
RGB	rgb(101, 88, 188)
HSL	hsl(248, 43%, 54%)
HSV	hsv(248, 53%, 74%)
CMYK	cmyk(46.3%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(43.32, 31.05, -51.19)
CIE-LCH	lch(43.32, 59.88, 301.24°)
OKLab	oklab(52.4% 0.0414 -0.1458)
OKLCH	oklch(52.4% 0.152 285.9)
XYZ	xyz(17.9310, 13.3762, 49.2043)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6558BC #AFBC58

analogous

#587DBC #6558BC #9758BC

triadic

#6558BC #BC6558 #58BC65

tetradic

#6558BC #BC587D #AFBC58 #58BC97

square

#6558BC #BC587D #AFBC58 #58BC97

split-complementary

#6558BC #BC9758 #7DBC58

monochromatic

#352C6E #493E99 #6558BC #8D84CE #B6AFDF

Accessibility & contrast

On white

5.71

#6558BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#6558BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6558BC

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6558BC	#FFFFFF	#000000	##FFFFFF
##6558BC	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2669BF

Deuteranopia (green-blind)

#2363BA

Tritanopia (blue-blind)

#496E81

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #6558bc;
/* rgb */ color: rgb(101, 88, 188);
/* oklch */ color: oklch(52.4% 0.152 285.9);

Tailwind

colors: {
  custom: {
    50: '#9687d1',
    500: '#6558bc',
    950: '#000000',
  },
}

SCSS

$custom: #6558bc;
$custom-light: #9687d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6558bc",
  "rgb": {
    "r": 101,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 247.8,
    "s": 42.735,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52403,
    "c": 0.15154,
    "h": 285.9
  },
  "luminance": 0.13377
}

Semantic roles & 50–950 ramp

primary

#6558BC

secondary

#C8CDA3

accent

#D355C2

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #6558BC

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

Preview Lab → · Contrast checker → · Palette generator →