#558ADA#558ADA

#558ADA is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.3% C 0.134 H 258.4°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#558ADA
RGB	rgb(85, 138, 218)
HSL	hsl(216, 64%, 59%)
HSV	hsv(216, 61%, 85%)
CMYK	cmyk(61%, 36.7%, 0%, 14.5%)
CIE-LAB	lab(57.24, 6.73, -46.20)
CIE-LCH	lch(57.24, 46.69, 278.29°)
OKLab	oklab(63.32% -0.0269 -0.131)
OKLCH	oklch(63.32% 0.134 258.4)
XYZ	xyz(25.4852, 25.1679, 69.8309)
Luminance	0.2517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ADA #DAA555

analogous

#55CDDA #558ADA #6355DA

triadic

#558ADA #DA558A #8ADA55

tetradic

#558ADA #DA55CD #DAA555 #55DA63

square

#558ADA #DA55CD #DAA555 #55DA63

split-complementary

#558ADA #DA6355 #CDDA55

monochromatic

#204F94 #2B69C7 #558ADA #87ADE5 #BACFF0

Accessibility & contrast

On white

3.48

#558ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#558ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ADA

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ADA	#FFFFFF	#000000	##000000
##558ADA	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6890DD

Deuteranopia (green-blind)

#5684D8

Tritanopia (blue-blind)

#009CA8

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558ada;
/* rgb */ color: rgb(85, 138, 218);
/* oklch */ color: oklch(63.3% 0.134 258.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#558ada",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 218
  },
  "hsl": {
    "h": 216.09,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63316,
    "c": 0.13378,
    "h": 258.4
  },
  "luminance": 0.2517
}

Semantic roles & 50–950 ramp

primary

#558ADA

secondary

#DFCBAB

accent

#A541E7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558ADA

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

Preview Lab → · Contrast checker → · Palette generator →