#558CE4#558CE4

#558CE4 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.3% C 0.145 H 259.4°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#558CE4
RGB	rgb(85, 140, 228)
HSL	hsl(217, 73%, 61%)
HSV	hsv(217, 63%, 89%)
CMYK	cmyk(62.7%, 38.6%, 0%, 10.6%)
CIE-LAB	lab(58.31, 8.89, -50.09)
CIE-LCH	lch(58.31, 50.87, 280.06°)
OKLab	oklab(64.32% -0.0266 -0.1424)
OKLCH	oklch(64.32% 0.145 259.4)
XYZ	xyz(27.1230, 26.2864, 77.0282)
Luminance	0.2629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CE4 #E4AD55

analogous

#55D4E4 #558CE4 #6655E4

triadic

#558CE4 #E4558C #8CE455

tetradic

#558CE4 #E455D4 #E4AD55 #55E466

square

#558CE4 #E455D4 #E4AD55 #55E466

split-complementary

#558CE4 #E46655 #D4E455

monochromatic

#1A4FA4 #2369D9 #558CE4 #8AB0EC #BFD3F5

Accessibility & contrast

On white

3.36

#558CE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#558CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CE4

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CE4	#FFFFFF	#000000	##000000
##558CE4	1.00	3.36	6.26	6.26
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6593E8

Deuteranopia (green-blind)

#5186E2

Tritanopia (blue-blind)

#00A0AD

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558ce4;
/* rgb */ color: rgb(85, 140, 228);
/* oklch */ color: oklch(64.3% 0.145 259.4);

Tailwind

colors: {
  custom: {
    50: '#91aded',
    500: '#558ce4',
    950: '#000000',
  },
}

SCSS

$custom: #558ce4;
$custom-light: #91aded;
$custom-dark: #000000;

JSON

{
  "hex": "#558ce4",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 228
  },
  "hsl": {
    "h": 216.923,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.64315,
    "c": 0.14488,
    "h": 259.4
  },
  "luminance": 0.26289
}

Semantic roles & 50–950 ramp

primary

#558CE4

secondary

#E5D1B0

accent

#8911D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558CE4

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

Preview Lab → · Contrast checker → · Palette generator →