#558AE3#558AE3

#558AE3 is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.8% C 0.146 H 260.2°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#558AE3
RGB	rgb(85, 138, 227)
HSL	hsl(218, 72%, 61%)
HSV	hsv(218, 63%, 89%)
CMYK	cmyk(62.6%, 39.2%, 0%, 11%)
CIE-LAB	lab(57.71, 9.75, -50.49)
CIE-LCH	lch(57.71, 51.42, 280.93°)
OKLab	oklab(63.83% -0.0248 -0.1436)
OKLCH	oklch(63.83% 0.146 260.2)
XYZ	xyz(26.6950, 25.6518, 76.2026)
Luminance	0.2565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AE3 #E3AE55

analogous

#55D1E3 #558AE3 #6755E3

triadic

#558AE3 #E3558A #8AE355

tetradic

#558AE3 #E355D1 #E3AE55 #55E367

square

#558AE3 #E355D1 #E3AE55 #55E367

split-complementary

#558AE3 #E36755 #D1E355

monochromatic

#1B4EA3 #2367D7 #558AE3 #8AAEEC #BED2F4

Accessibility & contrast

On white

3.43

#558AE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#558AE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AE3

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AE3	#FFFFFF	#000000	##000000
##558AE3	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6392E7

Deuteranopia (green-blind)

#4E85E1

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558ae3;
/* rgb */ color: rgb(85, 138, 227);
/* oklch */ color: oklch(63.8% 0.146 260.2);

Tailwind

colors: {
  custom: {
    50: '#91abec',
    500: '#558ae3',
    950: '#000000',
  },
}

SCSS

$custom: #558ae3;
$custom-light: #91abec;
$custom-dark: #000000;

JSON

{
  "hex": "#558ae3",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 227
  },
  "hsl": {
    "h": 217.606,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.6383,
    "c": 0.14573,
    "h": 260.2
  },
  "luminance": 0.25654
}

Semantic roles & 50–950 ramp

primary

#558AE3

secondary

#E5D1AF

accent

#8B12D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558AE3

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

Preview Lab → · Contrast checker → · Palette generator →