#558FBF#558FBF

#558FBF is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.0% C 0.095 H 245.1°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX#558FBF
RGBrgb(85, 143, 191)
HSLhsl(207, 45%, 54%)
HSVhsv(207, 55%, 75%)
CMYKcmyk(55.5%, 25.1%, 0%, 25.1%)
CIE-LABlab(57.40, -4.95, -30.73)
CIE-LCHlch(57.40, 31.13, 260.86°)
OKLaboklab(63.03% -0.04 -0.0861)
OKLCHoklch(63.03% 0.095 245.1)
XYZxyz(22.9693, 25.3359, 52.9600)
Luminance0.2534 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558FBF #BF8555
analogous
#55BFBA #558FBF #555ABF
triadic
#558FBF #BF558F #8FBF55
tetradic
#558FBF #BA55BF #BF8555 #5ABF55
square
#558FBF #BA55BF #BF8555 #5ABF55
split-complementary
#558FBF #BF555A #BFBA55
monochromatic
#2A5070 #3B709C #558FBF #81ACD0 #AECAE0

Accessibility & contrast

On white

3.46
#558FBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.07
#558FBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FBF
6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558FBF#FFFFFF#000000##000000
##558FBF1.003.466.076.07
#FFFFFF3.461.0021.0021.00
#0000006.0721.001.001.00
##0000006.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A90C1
Deuteranopia (green-blind)
#6C85BE
Tritanopia (blue-blind)
#009A9F
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #558fbf;
/* rgb */ color: rgb(85, 143, 191);
/* oklch */ color: oklch(63.0% 0.095 245.1);
Tailwind
colors: {
  custom: {
    50: '#8cafd2',
    500: '#558fbf',
    950: '#000000',
  },
}
SCSS
$custom: #558fbf;
$custom-light: #8cafd2;
$custom-dark: #000000;
JSON
{
  "hex": "#558fbf",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 191
  },
  "hsl": {
    "h": 207.17,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.6303,
    "c": 0.09494,
    "h": 245.1
  },
  "luminance": 0.25338
}

Semantic roles & 50–950 ramp

primary
#558FBF
secondary
#CEB6A1
accent
#8E53D5
background
#F9FAFC
surface
#F1F4F9
border
#CBCED2
text
#0D1014
muted
#7E7F82

Preview Lab

Preview with #558FBF

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

Preview Lab → · Contrast checker → · Palette generator →

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