#558BDC#558BDC

#558BDC is a light, vivid blue. Relative luminance 0.256; OKLCH L 63.6% C 0.135 H 258.3°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#558BDC
RGBrgb(85, 139, 220)
HSLhsl(216, 66%, 60%)
HSVhsv(216, 61%, 86%)
CMYKcmyk(61.4%, 36.8%, 0%, 13.7%)
CIE-LABlab(57.62, 6.81, -46.72)
CIE-LCHlch(57.62, 47.21, 278.29°)
OKLaboklab(63.65% -0.0274 -0.1325)
OKLCHoklch(63.65% 0.135 258.3)
XYZxyz(25.8926, 25.5615, 71.2656)
Luminance0.2556 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558BDC #DCA655
analogous
#55CFDC #558BDC #6355DC
triadic
#558BDC #DC558B #8BDC55
tetradic
#558BDC #DC55CF #DCA655 #55DC63
square
#558BDC #DC55CF #DCA655 #55DC63
split-complementary
#558BDC #DC6355 #CFDC55
monochromatic
#1F4F97 #2A6ACA #558BDC #88AEE6 #BBD0F1

Accessibility & contrast

On white

3.44
#558BDC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.11
#558BDC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BDC
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558BDC#FFFFFF#000000##000000
##558BDC1.003.446.116.11
#FFFFFF3.441.0021.0021.00
#0000006.1121.001.001.00
##0000006.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6891DF
Deuteranopia (green-blind)
#5685DA
Tritanopia (blue-blind)
#009DA9
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #558bdc;
/* rgb */ color: rgb(85, 139, 220);
/* oklch */ color: oklch(63.6% 0.135 258.3);
Tailwind
colors: {
  custom: {
    50: '#90ace7',
    500: '#558bdc',
    950: '#000000',
  },
}
SCSS
$custom: #558bdc;
$custom-light: #90ace7;
$custom-dark: #000000;
JSON
{
  "hex": "#558bdc",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 220
  },
  "hsl": {
    "h": 216,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63645,
    "c": 0.13536,
    "h": 258.3
  },
  "luminance": 0.25564
}

Semantic roles & 50–950 ramp

primary
#558BDC
secondary
#E0CCAC
accent
#A53FE9
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #558BDC

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

Preview Lab → · Contrast checker → · Palette generator →

#558BDC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva