#558BD8#558BD8

#558BD8 is a light, vivid blue. Relative luminance 0.254; OKLCH L 63.4% C 0.130 H 257.4°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#558BD8
RGB	rgb(85, 139, 216)
HSL	hsl(215, 63%, 59%)
HSV	hsv(215, 61%, 85%)
CMYK	cmyk(60.6%, 35.6%, 0%, 15.3%)
CIE-LAB	lab(57.42, 5.48, -44.80)
CIE-LCH	lch(57.42, 45.13, 276.97°)
OKLab	oklab(63.42% -0.0284 -0.1269)
OKLCH	oklch(63.42% 0.13 257.4)
XYZ	xyz(25.3692, 25.3521, 68.5090)
Luminance	0.2535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BD8 #D8A255

analogous

#55CDD8 #558BD8 #6155D8

triadic

#558BD8 #D8558B #8BD855

tetradic

#558BD8 #D855CD #D8A255 #55D861

square

#558BD8 #D855CD #D8A255 #55D861

split-complementary

#558BD8 #D86155 #CDD855

monochromatic

#214F91 #2D6BC3 #558BD8 #87ADE3 #B9CFEF

Accessibility & contrast

On white

3.46

#558BD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#558BD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BD8

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BD8	#FFFFFF	#000000	##000000
##558BD8	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)

#6A91DB

Deuteranopia (green-blind)

#5984D6

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558bd8;
/* rgb */ color: rgb(85, 139, 216);
/* oklch */ color: oklch(63.4% 0.130 257.4);

Tailwind

colors: {
  custom: {
    50: '#90ace4',
    500: '#558bd8',
    950: '#000000',
  },
}

SCSS

$custom: #558bd8;
$custom-light: #90ace4;
$custom-dark: #000000;

JSON

{
  "hex": "#558bd8",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 216
  },
  "hsl": {
    "h": 215.267,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63422,
    "c": 0.13008,
    "h": 257.4
  },
  "luminance": 0.25354
}

Semantic roles & 50–950 ramp

primary

#558BD8

secondary

#DEC9AB

accent

#A242E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #558BD8

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

Preview Lab → · Contrast checker → · Palette generator →