#558AEC#558AEC

#558AEC is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.4% C 0.158 H 261.6°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#558AEC
RGB	rgb(85, 138, 236)
HSL	hsl(219, 80%, 63%)
HSV	hsv(219, 64%, 93%)
CMYK	cmyk(64%, 41.5%, 0%, 7.5%)
CIE-LAB	lab(58.19, 12.79, -54.72)
CIE-LCH	lch(58.19, 56.20, 283.15°)
OKLab	oklab(64.36% -0.023 -0.156)
OKLCH	oklch(64.36% 0.158 261.6)
XYZ	xyz(27.9698, 26.1617, 82.9163)
Luminance	0.2616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AEC #ECB755

analogous

#55D6EC #558AEC #6B55EC

triadic

#558AEC #EC558A #8AEC55

tetradic

#558AEC #EC55D6 #ECB755 #55EC6B

square

#558AEC #EC55D6 #ECB755 #55EC6B

split-complementary

#558AEC #EC6B55 #D6EC55

monochromatic

#144CB3 #1E64E6 #558AEC #8CB0F2 #C3D6F8

Accessibility & contrast

On white

3.37

#558AEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#558AEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AEC

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AEC	#FFFFFF	#000000	##000000
##558AEC	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D93F0

Deuteranopia (green-blind)

#4685EA

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558aec;
/* rgb */ color: rgb(85, 138, 236);
/* oklch */ color: oklch(64.4% 0.158 261.6);

Tailwind

colors: {
  custom: {
    50: '#93abf3',
    500: '#558aec',
    950: '#000000',
  },
}

SCSS

$custom: #558aec;
$custom-light: #93abf3;
$custom-dark: #000000;

JSON

{
  "hex": "#558aec",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 236
  },
  "hsl": {
    "h": 218.94,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64363,
    "c": 0.15771,
    "h": 261.6
  },
  "luminance": 0.26164
}

Semantic roles & 50–950 ramp

primary

#558AEC

secondary

#EAD6B3

accent

#9209DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558AEC

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

Preview Lab → · Contrast checker → · Palette generator →