#558BE4#558BE4

#558BE4 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.1% C 0.146 H 259.9°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#558BE4
RGB	rgb(85, 139, 228)
HSL	hsl(217, 73%, 61%)
HSV	hsv(217, 63%, 89%)
CMYK	cmyk(62.7%, 39%, 0%, 10.6%)
CIE-LAB	lab(58.03, 9.49, -50.53)
CIE-LCH	lch(58.03, 51.41, 280.63°)
OKLab	oklab(64.1% -0.0256 -0.1437)
OKLCH	oklch(64.1% 0.146 259.9)
XYZ	xyz(26.9776, 25.9955, 76.9797)
Luminance	0.2600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BE4 #E4AE55

analogous

#55D2E4 #558BE4 #6755E4

triadic

#558BE4 #E4558B #8BE455

tetradic

#558BE4 #E455D2 #E4AE55 #55E467

square

#558BE4 #E455D2 #E4AE55 #55E467

split-complementary

#558BE4 #E46755 #D2E455

monochromatic

#1A4EA4 #2368D9 #558BE4 #8AAFEC #BFD3F5

Accessibility & contrast

On white

3.39

#558BE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#558BE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BE4

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BE4	#FFFFFF	#000000	##000000
##558BE4	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6493E8

Deuteranopia (green-blind)

#4F85E2

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558be4;
/* rgb */ color: rgb(85, 139, 228);
/* oklch */ color: oklch(64.1% 0.146 259.9);

Tailwind

colors: {
  custom: {
    50: '#91aced',
    500: '#558be4',
    950: '#000000',
  },
}

SCSS

$custom: #558be4;
$custom-light: #91aced;
$custom-dark: #000000;

JSON

{
  "hex": "#558be4",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 228
  },
  "hsl": {
    "h": 217.343,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.64102,
    "c": 0.14597,
    "h": 259.9
  },
  "luminance": 0.25998
}

Semantic roles & 50–950 ramp

primary

#558BE4

secondary

#E5D1B0

accent

#8B11D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558BE4

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

Preview Lab → · Contrast checker → · Palette generator →