#558DD8#558DD8

#558DD8 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.9% C 0.128 H 256.2°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#558DD8
RGBrgb(85, 141, 216)
HSLhsl(214, 63%, 59%)
HSVhsv(214, 61%, 85%)
CMYKcmyk(60.6%, 34.7%, 0%, 15.3%)
CIE-LABlab(57.98, 4.29, -43.91)
CIE-LCHlch(57.98, 44.12, 275.58°)
OKLaboklab(63.86% -0.0305 -0.1243)
OKLCHoklch(63.86% 0.128 256.2)
XYZxyz(25.6614, 25.9366, 68.6064)
Luminance0.2594 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558DD8 #D8A055
analogous
#55CFD8 #558DD8 #5F55D8
triadic
#558DD8 #D8558D #8DD855
tetradic
#558DD8 #D855CF #D8A055 #55D85F
square
#558DD8 #D855CF #D8A055 #55D85F
split-complementary
#558DD8 #D85F55 #CFD855
monochromatic
#215191 #2D6DC3 #558DD8 #87AEE3 #B9D0EF

Accessibility & contrast

On white

3.39
#558DD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.19
#558DD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DD8
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558DD8#FFFFFF#000000##000000
##558DD81.003.396.196.19
#FFFFFF3.391.0021.0021.00
#0000006.1921.001.001.00
##0000006.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D92DB
Deuteranopia (green-blind)
#5C86D6
Tritanopia (blue-blind)
#009EA8
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #558dd8;
/* rgb */ color: rgb(85, 141, 216);
/* oklch */ color: oklch(63.9% 0.128 256.2);
Tailwind
colors: {
  custom: {
    50: '#90aee4',
    500: '#558dd8',
    950: '#000000',
  },
}
SCSS
$custom: #558dd8;
$custom-light: #90aee4;
$custom-dark: #000000;
JSON
{
  "hex": "#558dd8",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 216
  },
  "hsl": {
    "h": 214.351,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63859,
    "c": 0.12803,
    "h": 256.2
  },
  "luminance": 0.25939
}

Semantic roles & 50–950 ramp

primary
#558DD8
secondary
#DEC8AB
accent
#A042E6
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1015
muted
#7E7F84

Preview Lab

Preview with #558DD8

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

Preview Lab → · Contrast checker → · Palette generator →

#558DD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva