#218AA8#218AA8

#218AA8 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.0% C 0.100 H 222.2°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX#218AA8
RGBrgb(33, 138, 168)
HSLhsl(193, 67%, 39%)
HSVhsv(193, 80%, 66%)
CMYKcmyk(80.4%, 17.9%, 0%, 34.1%)
CIE-LABlab(53.30, -18.23, -24.07)
CIE-LCHlch(53.30, 30.19, 232.87°)
OKLaboklab(59% -0.0743 -0.0675)
OKLCHoklch(59% 0.1 222.2)
XYZxyz(16.7806, 21.3254, 40.2700)
Luminance0.2133 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#218AA8 #A83F21
analogous
#21A882 #218AA8 #2147A8
triadic
#218AA8 #A8218A #8AA821
tetradic
#218AA8 #8221A8 #A83F21 #47A821
square
#218AA8 #8221A8 #A83F21 #47A821
split-complementary
#218AA8 #A82147 #A88221
monochromatic
#0D3642 #176075 #218AA8 #30B1D6 #63C5E0

Accessibility & contrast

On white

3.99
#218AA8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.27
#218AA8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218AA8
5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##218AA8#FFFFFF#000000##000000
##218AA81.003.995.275.27
#FFFFFF3.991.0021.0021.00
#0000005.2721.001.001.00
##0000005.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7987AA
Deuteranopia (green-blind)
#677AA8
Tritanopia (blue-blind)
#009394
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #218aa8;
/* rgb */ color: rgb(33, 138, 168);
/* oklch */ color: oklch(59.0% 0.100 222.2);
Tailwind
colors: {
  custom: {
    50: '#74acc2',
    500: '#218aa8',
    950: '#000000',
  },
}
SCSS
$custom: #218aa8;
$custom-light: #74acc2;
$custom-dark: #000000;
JSON
{
  "hex": "#218aa8",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 168
  },
  "hsl": {
    "h": 193.333,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.58995,
    "c": 0.10036,
    "h": 222.2
  },
  "luminance": 0.21327
}

Semantic roles & 50–950 ramp

primary
#218AA8
secondary
#C5765F
accent
#643EEA
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #218AA8

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

Preview Lab → · Contrast checker → · Palette generator →

#218AA8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva