#6558BF#6558BF

#6558BF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.6% C 0.156 H 285.5°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#6558BF
RGB	rgb(101, 88, 191)
HSL	hsl(248, 45%, 55%)
HSV	hsv(248, 54%, 75%)
CMYK	cmyk(47.1%, 53.9%, 0%, 25.1%)
CIE-LAB	lab(43.52, 31.96, -52.63)
CIE-LCH	lch(43.52, 61.57, 301.27°)
OKLab	oklab(52.61% 0.0415 -0.15)
OKLCH	oklch(52.61% 0.156 285.5)
XYZ	xyz(18.2578, 13.5069, 50.9252)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6558BF #B2BF58

analogous

#587EBF #6558BF #9958BF

triadic

#6558BF #BF6558 #58BF65

tetradic

#6558BF #BF587E #B2BF58 #58BF99

square

#6558BF #BF587E #B2BF58 #58BF99

split-complementary

#6558BF #BF9958 #7EBF58

monochromatic

#342B71 #493C9D #6558BF #8E84D0 #B7B0E1

Accessibility & contrast

On white

5.67

#6558BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#6558BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6558BF

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6558BF	#FFFFFF	#000000	##FFFFFF
##6558BF	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226AC3

Deuteranopia (green-blind)

#1E64BD

Tritanopia (blue-blind)

#476F83

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6558bf;
/* rgb */ color: rgb(101, 88, 191);
/* oklch */ color: oklch(52.6% 0.156 285.5);

Tailwind

colors: {
  custom: {
    50: '#9787d3',
    500: '#6558bf',
    950: '#000000',
  },
}

SCSS

$custom: #6558bf;
$custom-light: #9787d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6558bf",
  "rgb": {
    "r": 101,
    "g": 88,
    "b": 191
  },
  "hsl": {
    "h": 247.573,
    "s": 44.589,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52608,
    "c": 0.15564,
    "h": 285.5
  },
  "luminance": 0.13508
}

Semantic roles & 50–950 ramp

primary

#6558BF

secondary

#CACFA4

accent

#D454C4

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #6558BF

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

Preview Lab → · Contrast checker → · Palette generator →