#218FA7#218FA7

#218FA7 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.2% C 0.099 H 216.6°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX#218FA7
RGBrgb(33, 143, 167)
HSLhsl(191, 67%, 39%)
HSVhsv(191, 80%, 65%)
CMYKcmyk(80.2%, 14.4%, 0%, 34.5%)
CIE-LABlab(54.82, -21.24, -21.17)
CIE-LCHlch(54.82, 29.98, 224.91°)
OKLaboklab(60.2% -0.0796 -0.0591)
OKLCHoklch(60.2% 0.099 216.6)
XYZxyz(17.4217, 22.7561, 40.0259)
Luminance0.2276 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#218FA7 #A73921
analogous
#21A77C #218FA7 #214CA7
triadic
#218FA7 #A7218F #8FA721
tetradic
#218FA7 #7C21A7 #A73921 #4CA721
square
#218FA7 #7C21A7 #A73921 #4CA721
split-complementary
#218FA7 #A7214C #A77C21
monochromatic
#0D3741 #176374 #218FA7 #2FB8D6 #62CAE0

Accessibility & contrast

On white

3.78
#218FA7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.55
#218FA7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218FA7
5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##218FA7#FFFFFF#000000##000000
##218FA71.003.785.555.55
#FFFFFF3.781.0021.0021.00
#0000005.5521.001.001.00
##0000005.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F8AA8
Deuteranopia (green-blind)
#6D7EA7
Tritanopia (blue-blind)
#009797
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #218fa7;
/* rgb */ color: rgb(33, 143, 167);
/* oklch */ color: oklch(60.2% 0.099 216.6);
Tailwind
colors: {
  custom: {
    50: '#74b0c1',
    500: '#218fa7',
    950: '#000000',
  },
}
SCSS
$custom: #218fa7;
$custom-light: #74b0c1;
$custom-dark: #000000;
JSON
{
  "hex": "#218fa7",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 167
  },
  "hsl": {
    "h": 190.746,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.60202,
    "c": 0.09916,
    "h": 216.6
  },
  "luminance": 0.22758
}

Semantic roles & 50–950 ramp

primary
#218FA7
secondary
#C5715F
accent
#5D3EEA
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #218FA7

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

Preview Lab → · Contrast checker → · Palette generator →

#218FA7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva