#558DE4#558DE4

#558DE4 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.5% C 0.144 H 258.9°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#558DE4
RGB	rgb(85, 141, 228)
HSL	hsl(217, 73%, 61%)
HSV	hsv(217, 63%, 89%)
CMYK	cmyk(62.7%, 38.2%, 0%, 10.6%)
CIE-LAB	lab(58.58, 8.29, -49.65)
CIE-LCH	lch(58.58, 50.34, 279.48°)
OKLab	oklab(64.53% -0.0276 -0.1411)
OKLCH	oklch(64.53% 0.144 258.9)
XYZ	xyz(27.2698, 26.5799, 77.0771)
Luminance	0.2658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DE4 #E4AC55

analogous

#55D5E4 #558DE4 #6555E4

triadic

#558DE4 #E4558D #8DE455

tetradic

#558DE4 #E455D5 #E4AC55 #55E465

square

#558DE4 #E455D5 #E4AC55 #55E465

split-complementary

#558DE4 #E46555 #D5E455

monochromatic

#1A50A4 #236AD9 #558DE4 #8AB0EC #BFD4F5

Accessibility & contrast

On white

3.32

#558DE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#558DE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DE4

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DE4	#FFFFFF	#000000	##000000
##558DE4	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6794E7

Deuteranopia (green-blind)

#5387E2

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #558de4;
/* rgb */ color: rgb(85, 141, 228);
/* oklch */ color: oklch(64.5% 0.144 258.9);

Tailwind

colors: {
  custom: {
    50: '#91aded',
    500: '#558de4',
    950: '#000000',
  },
}

SCSS

$custom: #558de4;
$custom-light: #91aded;
$custom-dark: #000000;

JSON

{
  "hex": "#558de4",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 228
  },
  "hsl": {
    "h": 216.503,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.64529,
    "c": 0.14379,
    "h": 258.9
  },
  "luminance": 0.26582
}

Semantic roles & 50–950 ramp

primary

#558DE4

secondary

#E5D0B0

accent

#8811D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558DE4

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

Preview Lab → · Contrast checker → · Palette generator →