#558ADE#558ADE

#558ADE is a light, vivid blue. Relative luminance 0.254; OKLCH L 63.5% C 0.139 H 259.2°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#558ADE
RGB	rgb(85, 138, 222)
HSL	hsl(217, 67%, 60%)
HSV	hsv(217, 62%, 87%)
CMYK	cmyk(61.7%, 37.8%, 0%, 12.9%)
CIE-LAB	lab(57.44, 8.07, -48.12)
CIE-LCH	lch(57.44, 48.79, 279.52°)
OKLab	oklab(63.54% -0.0259 -0.1366)
OKLCH	oklch(63.54% 0.139 259.2)
XYZ	xyz(26.0149, 25.3798, 72.6209)
Luminance	0.2538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ADE #DEA955

analogous

#55CFDE #558ADE #6455DE

triadic

#558ADE #DE558A #8ADE55

tetradic

#558ADE #DE55CF #DEA955 #55DE64

square

#558ADE #DE55CF #DEA955 #55DE64

split-complementary

#558ADE #DE6455 #CFDE55

monochromatic

#1E4E9B #2868CE #558ADE #88ADE8 #BCD1F2

Accessibility & contrast

On white

3.46

#558ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#558ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ADE

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ADE	#FFFFFF	#000000	##000000
##558ADE	1.00	3.46	6.08	6.08
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6691E1

Deuteranopia (green-blind)

#5384DC

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558ade;
/* rgb */ color: rgb(85, 138, 222);
/* oklch */ color: oklch(63.5% 0.139 259.2);

Tailwind

colors: {
  custom: {
    50: '#90abe9',
    500: '#558ade',
    950: '#000000',
  },
}

SCSS

$custom: #558ade;
$custom-light: #90abe9;
$custom-dark: #000000;

JSON

{
  "hex": "#558ade",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 222
  },
  "hsl": {
    "h": 216.788,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.63542,
    "c": 0.13909,
    "h": 259.2
  },
  "luminance": 0.25382
}

Semantic roles & 50–950 ramp

primary

#558ADE

secondary

#E2CDAD

accent

#8816CF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558ADE

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

Preview Lab → · Contrast checker → · Palette generator →