#558EE4#558EE4

#558EE4 is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.7% C 0.143 H 258.4°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#558EE4
RGB	rgb(85, 142, 228)
HSL	hsl(216, 73%, 61%)
HSV	hsv(216, 63%, 89%)
CMYK	cmyk(62.7%, 37.7%, 0%, 10.6%)
CIE-LAB	lab(58.86, 7.70, -49.22)
CIE-LCH	lch(58.86, 49.81, 278.89°)
OKLab	oklab(64.74% -0.0287 -0.1398)
OKLCH	oklch(64.74% 0.143 258.4)
XYZ	xyz(27.4179, 26.8762, 77.1265)
Luminance	0.2688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EE4 #E4AB55

analogous

#55D6E4 #558EE4 #6455E4

triadic

#558EE4 #E4558E #8EE455

tetradic

#558EE4 #E455D6 #E4AB55 #55E464

square

#558EE4 #E455D6 #E4AB55 #55E464

split-complementary

#558EE4 #E46455 #D6E455

monochromatic

#1A51A4 #236BD9 #558EE4 #8AB1EC #BFD4F5

Accessibility & contrast

On white

3.29

#558EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#558EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EE4

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EE4	#FFFFFF	#000000	##000000
##558EE4	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6895E7

Deuteranopia (green-blind)

#5487E2

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558ee4;
/* rgb */ color: rgb(85, 142, 228);
/* oklch */ color: oklch(64.7% 0.143 258.4);

Tailwind

colors: {
  custom: {
    50: '#91aeed',
    500: '#558ee4',
    950: '#000000',
  },
}

SCSS

$custom: #558ee4;
$custom-light: #91aeed;
$custom-dark: #000000;

JSON

{
  "hex": "#558ee4",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 228
  },
  "hsl": {
    "h": 216.084,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.64744,
    "c": 0.14273,
    "h": 258.4
  },
  "luminance": 0.26879
}

Semantic roles & 50–950 ramp

primary

#558EE4

secondary

#E5D0B0

accent

#8711D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558EE4

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

Preview Lab → · Contrast checker → · Palette generator →