#558AEE#558AEE

#558AEE is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.5% C 0.160 H 261.9°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#558AEE
RGB	rgb(85, 138, 238)
HSL	hsl(219, 82%, 63%)
HSV	hsv(219, 64%, 93%)
CMYK	cmyk(64.3%, 42%, 0%, 6.7%)
CIE-LAB	lab(58.30, 13.47, -55.66)
CIE-LCH	lch(58.30, 57.26, 283.60°)
OKLab	oklab(64.48% -0.0226 -0.1587)
OKLCH	oklch(64.48% 0.16 261.9)
XYZ	xyz(28.2620, 26.2786, 84.4552)
Luminance	0.2628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AEE #EEB955

analogous

#55D6EE #558AEE #6C55EE

triadic

#558AEE #EE558A #8AEE55

tetradic

#558AEE #EE55D6 #EEB955 #55EE6C

square

#558AEE #EE55D6 #EEB955 #55EE6C

split-complementary

#558AEE #EE6C55 #D6EE55

monochromatic

#124BB6 #1D64E8 #558AEE #8DB0F4 #C4D7F9

Accessibility & contrast

On white

3.36

#558AEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#558AEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AEE

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AEE	#FFFFFF	#000000	##000000
##558AEE	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)

#5C94F2

Deuteranopia (green-blind)

#4486EC

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558aee;
/* rgb */ color: rgb(85, 138, 238);
/* oklch */ color: oklch(64.5% 0.160 261.9);

Tailwind

colors: {
  custom: {
    50: '#93abf4',
    500: '#558aee',
    950: '#000000',
  },
}

SCSS

$custom: #558aee;
$custom-light: #93abf4;
$custom-dark: #000000;

JSON

{
  "hex": "#558aee",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 238
  },
  "hsl": {
    "h": 219.216,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64484,
    "c": 0.16036,
    "h": 261.9
  },
  "luminance": 0.26281
}

Semantic roles & 50–950 ramp

primary

#558AEE

secondary

#EBD8B4

accent

#9407DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558AEE

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

Preview Lab → · Contrast checker → · Palette generator →