#558AF0#558AF0

#558AF0 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.6% C 0.163 H 262.1°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#558AF0
RGB	rgb(85, 138, 240)
HSL	hsl(219, 84%, 64%)
HSV	hsv(219, 65%, 94%)
CMYK	cmyk(64.6%, 42.5%, 0%, 5.9%)
CIE-LAB	lab(58.41, 14.15, -56.59)
CIE-LCH	lch(58.41, 58.33, 284.04°)
OKLab	oklab(64.61% -0.0223 -0.1615)
OKLCH	oklch(64.61% 0.163 262.1)
XYZ	xyz(28.5574, 26.3968, 86.0113)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AF0 #F0BB55

analogous

#55D7F0 #558AF0 #6D55F0

triadic

#558AF0 #F0558A #8AF055

tetradic

#558AF0 #F055D7 #F0BB55 #55F06D

square

#558AF0 #F055D7 #F0BB55 #55F06D

split-complementary

#558AF0 #F06D55 #D7F055

monochromatic

#104ABA #1D63EB #558AF0 #8DB1F5 #C5D7FA

Accessibility & contrast

On white

3.34

#558AF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#558AF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AF0

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AF0	#FFFFFF	#000000	##000000
##558AF0	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A94F4

Deuteranopia (green-blind)

#4186EE

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558af0;
/* rgb */ color: rgb(85, 138, 240);
/* oklch */ color: oklch(64.6% 0.163 262.1);

Tailwind

colors: {
  custom: {
    50: '#93abf5',
    500: '#558af0',
    950: '#000000',
  },
}

SCSS

$custom: #558af0;
$custom-light: #93abf5;
$custom-dark: #000000;

JSON

{
  "hex": "#558af0",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 240
  },
  "hsl": {
    "h": 219.484,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64606,
    "c": 0.16301,
    "h": 262.1
  },
  "luminance": 0.264
}

Semantic roles & 50–950 ramp

primary

#558AF0

secondary

#ECD9B5

accent

#9505E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558AF0

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

Preview Lab → · Contrast checker → · Palette generator →