#2189B4#2189B4

#2189B4 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.110 H 231.5°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX#2189B4
RGBrgb(33, 137, 180)
HSLhsl(198, 69%, 42%)
HSVhsv(198, 82%, 71%)
CMYKcmyk(81.7%, 23.9%, 0%, 29.4%)
CIE-LABlab(53.50, -13.47, -30.66)
CIE-LCHlch(53.50, 33.49, 246.29°)
OKLaboklab(59.32% -0.0688 -0.0864)
OKLCHoklch(59.32% 0.11 231.5)
XYZxyz(17.8077, 21.5077, 46.3840)
Luminance0.2151 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2189B4 #B44C21
analogous
#21B496 #2189B4 #2140B4
triadic
#2189B4 #B42189 #89B421
tetradic
#2189B4 #9621B4 #B44C21 #40B421
square
#2189B4 #9621B4 #B44C21 #40B421
split-complementary
#2189B4 #B42140 #B49621
monochromatic
#0E3A4D #186280 #2189B4 #38ABDA #6BC1E4

Accessibility & contrast

On white

3.96
#2189B4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.30
#2189B4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2189B4
5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2189B4#FFFFFF#000000##000000
##2189B41.003.965.305.30
#FFFFFF3.961.0021.0021.00
#0000005.3021.001.001.00
##0000005.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7387B6
Deuteranopia (green-blind)
#607AB3
Tritanopia (blue-blind)
#009598
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #2189b4;
/* rgb */ color: rgb(33, 137, 180);
/* oklch */ color: oklch(59.3% 0.110 231.5);
Tailwind
colors: {
  custom: {
    50: '#76abca',
    500: '#2189b4',
    950: '#000000',
  },
}
SCSS
$custom: #2189b4;
$custom-light: #76abca;
$custom-dark: #000000;
JSON
{
  "hex": "#2189b4",
  "rgb": {
    "r": 33,
    "g": 137,
    "b": 180
  },
  "hsl": {
    "h": 197.551,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5932,
    "c": 0.11046,
    "h": 231.5
  },
  "luminance": 0.2151
}

Semantic roles & 50–950 ramp

primary
#2189B4
secondary
#CA8467
accent
#6F3CEC
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2189B4

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

Preview Lab → · Contrast checker → · Palette generator →

#2189B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva