#558FD8#558FD8

#558FD8 is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.3% C 0.126 H 255.0°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#558FD8
RGBrgb(85, 143, 216)
HSLhsl(213, 63%, 59%)
HSVhsv(213, 61%, 85%)
CMYKcmyk(60.6%, 33.8%, 0%, 15.3%)
CIE-LABlab(58.54, 3.12, -43.03)
CIE-LCHlch(58.54, 43.14, 274.14°)
OKLaboklab(64.3% -0.0326 -0.1217)
OKLCHoklch(64.3% 0.126 255)
XYZxyz(25.9590, 26.5317, 68.7056)
Luminance0.2653 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558FD8 #D89E55
analogous
#55D1D8 #558FD8 #5D55D8
triadic
#558FD8 #D8558F #8FD855
tetradic
#558FD8 #D855D1 #D89E55 #55D85D
square
#558FD8 #D855D1 #D89E55 #55D85D
split-complementary
#558FD8 #D85D55 #D1D855
monochromatic
#215391 #2D6FC3 #558FD8 #87B0E3 #B9D1EF

Accessibility & contrast

On white

3.33
#558FD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.31
#558FD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FD8
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558FD8#FFFFFF#000000##000000
##558FD81.003.336.316.31
#FFFFFF3.331.0021.0021.00
#0000006.3121.001.001.00
##0000006.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7094DB
Deuteranopia (green-blind)
#5F87D7
Tritanopia (blue-blind)
#00A0A9
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #558fd8;
/* rgb */ color: rgb(85, 143, 216);
/* oklch */ color: oklch(64.3% 0.126 255.0);
Tailwind
colors: {
  custom: {
    50: '#90afe4',
    500: '#558fd8',
    950: '#000000',
  },
}
SCSS
$custom: #558fd8;
$custom-light: #90afe4;
$custom-dark: #000000;
JSON
{
  "hex": "#558fd8",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 216
  },
  "hsl": {
    "h": 213.435,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.64297,
    "c": 0.12604,
    "h": 255
  },
  "luminance": 0.26534
}

Semantic roles & 50–950 ramp

primary
#558FD8
secondary
#DEC7AB
accent
#9D42E6
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1015
muted
#7E7F84

Preview Lab

Preview with #558FD8

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

Preview Lab → · Contrast checker → · Palette generator →

#558FD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva