#2189A8#2189A8

#2189A8 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.7% C 0.101 H 223.2°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#2189A8
RGBrgb(33, 137, 168)
HSLhsl(194, 67%, 39%)
HSVhsv(194, 80%, 66%)
CMYKcmyk(80.4%, 18.5%, 0%, 34.1%)
CIE-LABlab(52.99, -17.69, -24.55)
CIE-LCHlch(52.99, 30.26, 234.23°)
OKLaboklab(58.75% -0.0733 -0.0688)
OKLCHoklch(58.75% 0.101 223.2)
XYZxyz(16.6378, 21.0397, 40.2224)
Luminance0.2104 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2189A8 #A84021
analogous
#21A884 #2189A8 #2145A8
triadic
#2189A8 #A82189 #89A821
tetradic
#2189A8 #8421A8 #A84021 #45A821
square
#2189A8 #8421A8 #A84021 #45A821
split-complementary
#2189A8 #A82145 #A88421
monochromatic
#0D3642 #175F75 #2189A8 #30B0D6 #63C4E0

Accessibility & contrast

On white

4.03
#2189A8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#2189A8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2189A8
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2189A8#FFFFFF#000000##000000
##2189A81.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7786AA
Deuteranopia (green-blind)
#6679A8
Tritanopia (blue-blind)
#009293
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #2189a8;
/* rgb */ color: rgb(33, 137, 168);
/* oklch */ color: oklch(58.7% 0.101 223.2);
Tailwind
colors: {
  custom: {
    50: '#74abc2',
    500: '#2189a8',
    950: '#000000',
  },
}
SCSS
$custom: #2189a8;
$custom-light: #74abc2;
$custom-dark: #000000;
JSON
{
  "hex": "#2189a8",
  "rgb": {
    "r": 33,
    "g": 137,
    "b": 168
  },
  "hsl": {
    "h": 193.778,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.58746,
    "c": 0.10057,
    "h": 223.2
  },
  "luminance": 0.21042
}

Semantic roles & 50–950 ramp

primary
#2189A8
secondary
#C5775F
accent
#653EEA
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2189A8

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

Preview Lab → · Contrast checker → · Palette generator →

#2189A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva