#558BB6#558BB6

#558BB6 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.087 H 243.9°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX#558BB6
RGBrgb(85, 139, 182)
HSLhsl(207, 40%, 52%)
HSVhsv(207, 53%, 71%)
CMYKcmyk(53.3%, 23.6%, 0%, 28.6%)
CIE-LABlab(55.86, -5.47, -28.01)
CIE-LCHlch(55.86, 28.54, 258.96°)
OKLaboklab(61.69% -0.0384 -0.0783)
OKLCHoklch(61.69% 0.087 243.9)
XYZxyz(21.4194, 23.7722, 47.7067)
Luminance0.2377 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558BB6 #B68055
analogous
#55B6B1 #558BB6 #555AB6
triadic
#558BB6 #B6558B #8BB655
tetradic
#558BB6 #B155B6 #B68055 #5AB655
square
#558BB6 #B155B6 #B68055 #5AB655
split-complementary
#558BB6 #B6555A #B6B155
monochromatic
#2B4C65 #3E6C90 #558BB6 #80A8C8 #ABC5DB

Accessibility & contrast

On white

3.65
#558BB6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.75
#558BB6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BB6
5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558BB6#FFFFFF#000000##000000
##558BB61.003.655.755.75
#FFFFFF3.651.0021.0021.00
#0000005.7521.001.001.00
##0000005.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#798BB8
Deuteranopia (green-blind)
#6C81B5
Tritanopia (blue-blind)
#1A959A
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #558bb6;
/* rgb */ color: rgb(85, 139, 182);
/* oklch */ color: oklch(61.7% 0.087 243.9);
Tailwind
colors: {
  custom: {
    50: '#8baccc',
    500: '#558bb6',
    950: '#000000',
  },
}
SCSS
$custom: #558bb6;
$custom-light: #8baccc;
$custom-dark: #000000;
JSON
{
  "hex": "#558bb6",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 182
  },
  "hsl": {
    "h": 206.598,
    "s": 39.918,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61688,
    "c": 0.08717,
    "h": 243.9
  },
  "luminance": 0.23774
}

Semantic roles & 50–950 ramp

primary
#558BB6
secondary
#C9B19E
accent
#8D58D0
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #558BB6

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

Preview Lab → · Contrast checker → · Palette generator →

#558BB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva