#558CB8#558CB8

#558CB8 is a light, moderate cyan. Relative luminance 0.241; OKLCH L 62.0% C 0.089 H 244.1°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#558CB8
RGBrgb(85, 140, 184)
HSLhsl(207, 41%, 53%)
HSVhsv(207, 54%, 72%)
CMYKcmyk(53.8%, 23.9%, 0%, 27.8%)
CIE-LABlab(56.23, -5.42, -28.57)
CIE-LCHlch(56.23, 29.08, 259.26°)
OKLaboklab(62.01% -0.0389 -0.0799)
OKLCHoklch(62.01% 0.089 244.1)
XYZxyz(21.7730, 24.1464, 48.8514)
Luminance0.2415 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558CB8 #B88155
analogous
#55B8B3 #558CB8 #555AB8
triadic
#558CB8 #B8558C #8CB855
tetradic
#558CB8 #B355B8 #B88155 #5AB855
square
#558CB8 #B355B8 #B88155 #5AB855
split-complementary
#558CB8 #B8555A #B8B355
monochromatic
#2B4D67 #3D6D93 #558CB8 #80A9CA #ABC6DC

Accessibility & contrast

On white

3.60
#558CB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.83
#558CB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CB8
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558CB8#FFFFFF#000000##000000
##558CB81.003.605.835.83
#FFFFFF3.601.0021.0021.00
#0000005.8321.001.001.00
##0000005.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#798CBA
Deuteranopia (green-blind)
#6C82B7
Tritanopia (blue-blind)
#16979B
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #558cb8;
/* rgb */ color: rgb(85, 140, 184);
/* oklch */ color: oklch(62.0% 0.089 244.1);
Tailwind
colors: {
  custom: {
    50: '#8cadcd',
    500: '#558cb8',
    950: '#000000',
  },
}
SCSS
$custom: #558cb8;
$custom-light: #8cadcd;
$custom-dark: #000000;
JSON
{
  "hex": "#558cb8",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 184
  },
  "hsl": {
    "h": 206.667,
    "s": 41.079,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62012,
    "c": 0.08883,
    "h": 244.1
  },
  "luminance": 0.24148
}

Semantic roles & 50–950 ramp

primary
#558CB8
secondary
#CAB29F
accent
#8D57D1
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #558CB8

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

Preview Lab → · Contrast checker → · Palette generator →

#558CB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva