#558ADF#558ADF

#558ADF is a light, vivid blue. Relative luminance 0.254; OKLCH L 63.6% C 0.140 H 259.4°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#558ADF
RGB	rgb(85, 138, 223)
HSL	hsl(217, 68%, 60%)
HSV	hsv(217, 62%, 87%)
CMYK	cmyk(61.9%, 38.1%, 0%, 12.5%)
CIE-LAB	lab(57.50, 8.40, -48.59)
CIE-LCH	lch(57.50, 49.31, 279.81°)
OKLab	oklab(63.6% -0.0257 -0.138)
OKLCH	oklch(63.6% 0.14 259.4)
XYZ	xyz(26.1494, 25.4336, 73.3289)
Luminance	0.2544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ADF #DFAA55

analogous

#55CFDF #558ADF #6555DF

triadic

#558ADF #DF558A #8ADF55

tetradic

#558ADF #DF55CF #DFAA55 #55DF65

square

#558ADF #DF55CF #DFAA55 #55DF65

split-complementary

#558ADF #DF6555 #CFDF55

monochromatic

#1D4E9C #2768D0 #558ADF #89ADE9 #BCD1F2

Accessibility & contrast

On white

3.45

#558ADF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#558ADF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ADF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ADF	#FFFFFF	#000000	##000000
##558ADF	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6591E2

Deuteranopia (green-blind)

#5284DD

Tritanopia (blue-blind)

#009DAA

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558adf;
/* rgb */ color: rgb(85, 138, 223);
/* oklch */ color: oklch(63.6% 0.140 259.4);

Tailwind

colors: {
  custom: {
    50: '#91abe9',
    500: '#558adf',
    950: '#000000',
  },
}

SCSS

$custom: #558adf;
$custom-light: #91abe9;
$custom-dark: #000000;

JSON

{
  "hex": "#558adf",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 223
  },
  "hsl": {
    "h": 216.957,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.636,
    "c": 0.14042,
    "h": 259.4
  },
  "luminance": 0.25436
}

Semantic roles & 50–950 ramp

primary

#558ADF

secondary

#E2CEAE

accent

#8815D0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558ADF

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

Preview Lab → · Contrast checker → · Palette generator →