#558BDA#558BDA

#558BDA is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.5% C 0.133 H 257.9°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#558BDA
RGB	rgb(85, 139, 218)
HSL	hsl(216, 64%, 59%)
HSV	hsv(216, 61%, 85%)
CMYK	cmyk(61%, 36.2%, 0%, 14.5%)
CIE-LAB	lab(57.52, 6.14, -45.76)
CIE-LCH	lch(57.52, 46.17, 277.64°)
OKLab	oklab(63.53% -0.0279 -0.1297)
OKLCH	oklch(63.53% 0.133 257.9)
XYZ	xyz(25.6293, 25.4562, 69.8790)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BDA #DAA455

analogous

#55CEDA #558BDA #6255DA

triadic

#558BDA #DA558B #8BDA55

tetradic

#558BDA #DA55CE #DAA455 #55DA62

square

#558BDA #DA55CE #DAA455 #55DA62

split-complementary

#558BDA #DA6255 #CEDA55

monochromatic

#204F94 #2B6AC7 #558BDA #87ADE5 #BAD0F0

Accessibility & contrast

On white

3.45

#558BDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#558BDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BDA

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BDA	#FFFFFF	#000000	##000000
##558BDA	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6991DD

Deuteranopia (green-blind)

#5784D8

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558bda;
/* rgb */ color: rgb(85, 139, 218);
/* oklch */ color: oklch(63.5% 0.133 257.9);

Tailwind

colors: {
  custom: {
    50: '#90ace6',
    500: '#558bda',
    950: '#000000',
  },
}

SCSS

$custom: #558bda;
$custom-light: #90ace6;
$custom-dark: #000000;

JSON

{
  "hex": "#558bda",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 218
  },
  "hsl": {
    "h": 215.639,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63533,
    "c": 0.13272,
    "h": 257.9
  },
  "luminance": 0.25458
}

Semantic roles & 50–950 ramp

primary

#558BDA

secondary

#DFCAAB

accent

#A441E7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558BDA

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

Preview Lab → · Contrast checker → · Palette generator →