#218BAE#218BAE

#218BAE is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.105 H 225.8°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#218BAE
RGBrgb(33, 139, 174)
HSLhsl(195, 68%, 41%)
HSVhsv(195, 81%, 68%)
CMYKcmyk(81%, 20.1%, 0%, 31.8%)
CIE-LABlab(53.86, -16.69, -26.66)
CIE-LCHlch(53.86, 31.45, 237.96°)
OKLaboklab(59.52% -0.0729 -0.0749)
OKLCHoklch(59.52% 0.105 225.8)
XYZxyz(17.4966, 21.8424, 43.3300)
Luminance0.2185 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#218BAE #AE4421
analogous
#21AE8B #218BAE #2144AE
triadic
#218BAE #AE218B #8BAE21
tetradic
#218BAE #8B21AE #AE4421 #44AE21
square
#218BAE #8B21AE #AE4421 #44AE21
split-complementary
#218BAE #AE2144 #AE8B21
monochromatic
#0D3947 #17627B #218BAE #34B0D8 #67C4E2

Accessibility & contrast

On white

3.91
#218BAE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.37
#218BAE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218BAE
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##218BAE#FFFFFF#000000##000000
##218BAE1.003.915.375.37
#FFFFFF3.911.0021.0021.00
#0000005.3721.001.001.00
##0000005.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7888B0
Deuteranopia (green-blind)
#657BAE
Tritanopia (blue-blind)
#009596
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #218bae;
/* rgb */ color: rgb(33, 139, 174);
/* oklch */ color: oklch(59.5% 0.105 225.8);
Tailwind
colors: {
  custom: {
    50: '#75adc6',
    500: '#218bae',
    950: '#000000',
  },
}
SCSS
$custom: #218bae;
$custom-light: #75adc6;
$custom-dark: #000000;
JSON
{
  "hex": "#218bae",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 174
  },
  "hsl": {
    "h": 194.894,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.59522,
    "c": 0.10453,
    "h": 225.8
  },
  "luminance": 0.21845
}

Semantic roles & 50–950 ramp

primary
#218BAE
secondary
#C87C63
accent
#683DEB
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #218BAE

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

Preview Lab → · Contrast checker → · Palette generator →

#218BAE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva