#558AE4#558AE4

#558AE4 is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.9% C 0.147 H 260.4°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#558AE4
RGB	rgb(85, 138, 228)
HSL	hsl(218, 73%, 61%)
HSV	hsv(218, 63%, 89%)
CMYK	cmyk(62.7%, 39.5%, 0%, 10.6%)
CIE-LAB	lab(57.76, 10.08, -50.96)
CIE-LCH	lch(57.76, 51.95, 281.19°)
OKLab	oklab(63.89% -0.0246 -0.145)
OKLCH	oklch(63.89% 0.147 260.4)
XYZ	xyz(26.8334, 25.7072, 76.9316)
Luminance	0.2571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AE4 #E4AF55

analogous

#55D2E4 #558AE4 #6855E4

triadic

#558AE4 #E4558A #8AE455

tetradic

#558AE4 #E455D2 #E4AF55 #55E468

square

#558AE4 #E455D2 #E4AF55 #55E468

split-complementary

#558AE4 #E46855 #D2E455

monochromatic

#1A4DA4 #2366D9 #558AE4 #8AAEEC #BFD3F5

Accessibility & contrast

On white

3.42

#558AE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#558AE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AE4

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AE4	#FFFFFF	#000000	##000000
##558AE4	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6292E8

Deuteranopia (green-blind)

#4E85E2

Tritanopia (blue-blind)

#009EAC

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558ae4;
/* rgb */ color: rgb(85, 138, 228);
/* oklch */ color: oklch(63.9% 0.147 260.4);

Tailwind

colors: {
  custom: {
    50: '#91abed',
    500: '#558ae4',
    950: '#000000',
  },
}

SCSS

$custom: #558ae4;
$custom-light: #91abed;
$custom-dark: #000000;

JSON

{
  "hex": "#558ae4",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 228
  },
  "hsl": {
    "h": 217.762,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.63889,
    "c": 0.14707,
    "h": 260.4
  },
  "luminance": 0.2571
}

Semantic roles & 50–950 ramp

primary

#558AE4

secondary

#E5D1B0

accent

#8C11D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558AE4

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

Preview Lab → · Contrast checker → · Palette generator →