#558ADD#558ADD

#558ADD is a light, vivid blue. Relative luminance 0.253; OKLCH L 63.5% C 0.138 H 259.0°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#558ADD
RGB	rgb(85, 138, 221)
HSL	hsl(217, 67%, 60%)
HSV	hsv(217, 62%, 87%)
CMYK	cmyk(61.5%, 37.6%, 0%, 13.3%)
CIE-LAB	lab(57.39, 7.74, -47.64)
CIE-LCH	lch(57.39, 48.26, 279.22°)
OKLab	oklab(63.49% -0.0262 -0.1352)
OKLCH	oklch(63.49% 0.138 259)
XYZ	xyz(25.8813, 25.3264, 71.9171)
Luminance	0.2533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ADD #DDA855

analogous

#55CEDD #558ADD #6455DD

triadic

#558ADD #DD558A #8ADD55

tetradic

#558ADD #DD55CE #DDA855 #55DD64

square

#558ADD #DD55CE #DDA855 #55DD64

split-complementary

#558ADD #DD6455 #CEDD55

monochromatic

#1F4E99 #2968CC #558ADD #88ADE7 #BBD0F1

Accessibility & contrast

On white

3.46

#558ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#558ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ADD

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ADD	#FFFFFF	#000000	##000000
##558ADD	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6691E0

Deuteranopia (green-blind)

#5384DB

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558add;
/* rgb */ color: rgb(85, 138, 221);
/* oklch */ color: oklch(63.5% 0.138 259.0);

Tailwind

colors: {
  custom: {
    50: '#90abe8',
    500: '#558add',
    950: '#000000',
  },
}

SCSS

$custom: #558add;
$custom-light: #90abe8;
$custom-dark: #000000;

JSON

{
  "hex": "#558add",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 221
  },
  "hsl": {
    "h": 216.618,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.63485,
    "c": 0.13776,
    "h": 259
  },
  "luminance": 0.25329
}

Semantic roles & 50–950 ramp

primary

#558ADD

secondary

#E1CDAD

accent

#A73EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558ADD

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

Preview Lab → · Contrast checker → · Palette generator →