#558ADB#558ADB

#558ADB is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.4% C 0.135 H 258.6°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#558ADB
RGB	rgb(85, 138, 219)
HSL	hsl(216, 65%, 60%)
HSV	hsv(216, 61%, 86%)
CMYK	cmyk(61.2%, 37%, 0%, 14.1%)
CIE-LAB	lab(57.29, 7.07, -46.68)
CIE-LCH	lch(57.29, 47.21, 278.61°)
OKLab	oklab(63.37% -0.0266 -0.1325)
OKLCH	oklch(63.37% 0.135 258.6)
XYZ	xyz(25.6165, 25.2204, 70.5222)
Luminance	0.2522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ADB #DBA655

analogous

#55CDDB #558ADB #6355DB

triadic

#558ADB #DB558A #8ADB55

tetradic

#558ADB #DB55CD #DBA655 #55DB63

square

#558ADB #DB55CD #DBA655 #55DB63

split-complementary

#558ADB #DB6355 #CDDB55

monochromatic

#204E96 #2A69C8 #558ADB #88ADE6 #BAD0F0

Accessibility & contrast

On white

3.47

#558ADB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#558ADB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ADB

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ADB	#FFFFFF	#000000	##000000
##558ADB	1.00	3.47	6.04	6.04
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6790DE

Deuteranopia (green-blind)

#5584D9

Tritanopia (blue-blind)

#009CA8

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558adb;
/* rgb */ color: rgb(85, 138, 219);
/* oklch */ color: oklch(63.4% 0.135 258.6);

Tailwind

colors: {
  custom: {
    50: '#90abe6',
    500: '#558adb',
    950: '#000000',
  },
}

SCSS

$custom: #558adb;
$custom-light: #90abe6;
$custom-dark: #000000;

JSON

{
  "hex": "#558adb",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 219
  },
  "hsl": {
    "h": 216.269,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63372,
    "c": 0.1351,
    "h": 258.6
  },
  "luminance": 0.25223
}

Semantic roles & 50–950 ramp

primary

#558ADB

secondary

#E0CBAC

accent

#A540E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558ADB

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

Preview Lab → · Contrast checker → · Palette generator →