#558BD3#558BD3

#558BD3 is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.1% C 0.124 H 256.1°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#558BD3
RGBrgb(85, 139, 211)
HSLhsl(214, 59%, 58%)
HSVhsv(214, 60%, 83%)
CMYKcmyk(59.7%, 34.1%, 0%, 17.3%)
CIE-LABlab(57.17, 3.82, -42.38)
CIE-LCHlch(57.17, 42.55, 275.16°)
OKLaboklab(63.15% -0.0297 -0.1199)
OKLCHoklch(63.15% 0.124 256.1)
XYZxyz(24.7326, 25.0975, 65.1563)
Luminance0.2510 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558BD3 #D39D55
analogous
#55CAD3 #558BD3 #5E55D3
triadic
#558BD3 #D3558B #8BD355
tetradic
#558BD3 #D355CA #D39D55 #55D35E
square
#558BD3 #D355CA #D39D55 #55D35E
split-complementary
#558BD3 #D35E55 #CAD355
monochromatic
#244F8A #306CBB #558BD3 #86ACE0 #B6CDEC

Accessibility & contrast

On white

3.49
#558BD3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.02
#558BD3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BD3
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558BD3#FFFFFF#000000##000000
##558BD31.003.496.026.02
#FFFFFF3.491.0021.0021.00
#0000006.0221.001.001.00
##0000006.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D90D6
Deuteranopia (green-blind)
#5C84D2
Tritanopia (blue-blind)
#009BA5
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #558bd3;
/* rgb */ color: rgb(85, 139, 211);
/* oklch */ color: oklch(63.1% 0.124 256.1);
Tailwind
colors: {
  custom: {
    50: '#8face1',
    500: '#558bd3',
    950: '#000000',
  },
}
SCSS
$custom: #558bd3;
$custom-light: #8face1;
$custom-dark: #000000;
JSON
{
  "hex": "#558bd3",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 211
  },
  "hsl": {
    "h": 214.286,
    "s": 58.879,
    "l": 58.039
  },
  "oklch": {
    "l": 0.63149,
    "c": 0.12351,
    "h": 256.1
  },
  "luminance": 0.251
}

Semantic roles & 50–950 ramp

primary
#558BD3
secondary
#DBC5A9
accent
#9F46E2
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #558BD3

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

Preview Lab → · Contrast checker → · Palette generator →

#558BD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva