#558AEF#558AEF

#558AEF is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.5% C 0.162 H 262.0°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#558AEF
RGB	rgb(85, 138, 239)
HSL	hsl(219, 83%, 64%)
HSV	hsv(219, 64%, 94%)
CMYK	cmyk(64.4%, 42.3%, 0%, 6.3%)
CIE-LAB	lab(58.36, 13.81, -56.12)
CIE-LCH	lch(58.36, 57.79, 283.82°)
OKLab	oklab(64.55% -0.0225 -0.1601)
OKLCH	oklch(64.55% 0.162 262)
XYZ	xyz(28.4093, 26.3375, 85.2311)
Luminance	0.2634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AEF #EFBA55

analogous

#55D7EF #558AEF #6D55EF

triadic

#558AEF #EF558A #8AEF55

tetradic

#558AEF #EF55D7 #EFBA55 #55EF6D

square

#558AEF #EF55D7 #EFBA55 #55EF6D

split-complementary

#558AEF #EF6D55 #D7EF55

monochromatic

#114BB8 #1D64EA #558AEF #8DB0F4 #C5D7FA

Accessibility & contrast

On white

3.35

#558AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#558AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AEF

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AEF	#FFFFFF	#000000	##000000
##558AEF	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B94F3

Deuteranopia (green-blind)

#4386ED

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558aef;
/* rgb */ color: rgb(85, 138, 239);
/* oklch */ color: oklch(64.5% 0.162 262.0);

Tailwind

colors: {
  custom: {
    50: '#93abf5',
    500: '#558aef',
    950: '#000000',
  },
}

SCSS

$custom: #558aef;
$custom-light: #93abf5;
$custom-dark: #000000;

JSON

{
  "hex": "#558aef",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 239
  },
  "hsl": {
    "h": 219.351,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.64545,
    "c": 0.16169,
    "h": 262
  },
  "luminance": 0.2634
}

Semantic roles & 50–950 ramp

primary

#558AEF

secondary

#EBD8B5

accent

#9506DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558AEF

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

Preview Lab → · Contrast checker → · Palette generator →