#558AEB#558AEB

#558AEB is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.3% C 0.156 H 261.5°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#558AEB
RGB	rgb(85, 138, 235)
HSL	hsl(219, 79%, 63%)
HSV	hsv(219, 64%, 92%)
CMYK	cmyk(63.8%, 41.3%, 0%, 7.8%)
CIE-LAB	lab(58.14, 12.45, -54.26)
CIE-LCH	lch(58.14, 55.67, 282.92°)
OKLab	oklab(64.3% -0.0232 -0.1546)
OKLCH	oklch(64.3% 0.156 261.5)
XYZ	xyz(27.8249, 26.1038, 82.1533)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AEB #EBB655

analogous

#55D5EB #558AEB #6B55EB

triadic

#558AEB #EB558A #8AEB55

tetradic

#558AEB #EB55D5 #EBB655 #55EB6B

square

#558AEB #EB55D5 #EBB655 #55EB6B

split-complementary

#558AEB #EB6B55 #D5EB55

monochromatic

#154CB1 #1E64E5 #558AEB #8CB0F1 #C3D5F8

Accessibility & contrast

On white

3.38

#558AEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#558AEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AEB

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AEB	#FFFFFF	#000000	##000000
##558AEB	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E93EF

Deuteranopia (green-blind)

#4785E9

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558aeb;
/* rgb */ color: rgb(85, 138, 235);
/* oklch */ color: oklch(64.3% 0.156 261.5);

Tailwind

colors: {
  custom: {
    50: '#92abf2',
    500: '#558aeb',
    950: '#000000',
  },
}

SCSS

$custom: #558aeb;
$custom-light: #92abf2;
$custom-dark: #000000;

JSON

{
  "hex": "#558aeb",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 235
  },
  "hsl": {
    "h": 218.8,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64303,
    "c": 0.15637,
    "h": 261.5
  },
  "luminance": 0.26106
}

Semantic roles & 50–950 ramp

primary

#558AEB

secondary

#E9D6B3

accent

#910ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558AEB

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

Preview Lab → · Contrast checker → · Palette generator →