#558BB8#558BB8

#558BB8 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.8% C 0.089 H 245.1°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX#558BB8
RGBrgb(85, 139, 184)
HSLhsl(207, 41%, 53%)
HSVhsv(207, 54%, 72%)
CMYKcmyk(53.8%, 24.5%, 0%, 27.8%)
CIE-LABlab(55.94, -4.85, -29.02)
CIE-LCHlch(55.94, 29.42, 260.52°)
OKLaboklab(61.78% -0.0377 -0.0812)
OKLCHoklch(61.78% 0.09 245.1)
XYZxyz(21.6276, 23.8555, 48.8030)
Luminance0.2386 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558BB8 #B88255
analogous
#55B8B4 #558BB8 #5559B8
triadic
#558BB8 #B8558B #8BB855
tetradic
#558BB8 #B455B8 #B88255 #59B855
square
#558BB8 #B455B8 #B88255 #59B855
split-complementary
#558BB8 #B85559 #B8B455
monochromatic
#2B4C67 #3D6C93 #558BB8 #80A8CA #ABC6DC

Accessibility & contrast

On white

3.64
#558BB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.77
#558BB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BB8
5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558BB8#FFFFFF#000000##000000
##558BB81.003.645.775.77
#FFFFFF3.641.0021.0021.00
#0000005.7721.001.001.00
##0000005.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#788CBA
Deuteranopia (green-blind)
#6B82B7
Tritanopia (blue-blind)
#17969A
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #558bb8;
/* rgb */ color: rgb(85, 139, 184);
/* oklch */ color: oklch(61.8% 0.089 245.1);
Tailwind
colors: {
  custom: {
    50: '#8baccd',
    500: '#558bb8',
    950: '#000000',
  },
}
SCSS
$custom: #558bb8;
$custom-light: #8baccd;
$custom-dark: #000000;
JSON
{
  "hex": "#558bb8",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 184
  },
  "hsl": {
    "h": 207.273,
    "s": 41.079,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61782,
    "c": 0.0895,
    "h": 245.1
  },
  "luminance": 0.23857
}

Semantic roles & 50–950 ramp

primary
#558BB8
secondary
#CAB29F
accent
#8E57D1
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #558BB8

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

Preview Lab → · Contrast checker → · Palette generator →

#558BB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva