#2180AF#2180AF

#2180AF is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.111 H 235.9°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#2180AF
RGBrgb(33, 128, 175)
HSLhsl(200, 68%, 41%)
HSVhsv(200, 81%, 69%)
CMYKcmyk(81.1%, 26.9%, 0%, 31.4%)
CIE-LABlab(50.52, -10.17, -32.44)
CIE-LCHlch(50.52, 33.99, 252.60°)
OKLaboklab(56.87% -0.0621 -0.0916)
OKLCHoklch(56.87% 0.111 235.9)
XYZxyz(16.0811, 18.8548, 43.3409)
Luminance0.1886 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2180AF #AF5021
analogous
#21AF97 #2180AF #2139AF
triadic
#2180AF #AF2180 #80AF21
tetradic
#2180AF #9721AF #AF5021 #39AF21
square
#2180AF #9721AF #AF5021 #39AF21
split-complementary
#2180AF #AF2139 #AF9721
monochromatic
#0E3548 #175A7C #2180AF #34A2D9 #68BAE3

Accessibility & contrast

On white

4.40
#2180AF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.77
#2180AF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2180AF
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2180AF#FFFFFF#000000##000000
##2180AF1.004.404.774.77
#FFFFFF4.401.0021.0021.00
#0000004.7721.001.001.00
##0000004.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#697FB1
Deuteranopia (green-blind)
#5672AE
Tritanopia (blue-blind)
#008C90
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #2180af;
/* rgb */ color: rgb(33, 128, 175);
/* oklch */ color: oklch(56.9% 0.111 235.9);
Tailwind
colors: {
  custom: {
    50: '#74a4c7',
    500: '#2180af',
    950: '#000000',
  },
}
SCSS
$custom: #2180af;
$custom-light: #74a4c7;
$custom-dark: #000000;
JSON
{
  "hex": "#2180af",
  "rgb": {
    "r": 33,
    "g": 128,
    "b": 175
  },
  "hsl": {
    "h": 199.859,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.56867,
    "c": 0.11072,
    "h": 235.9
  },
  "luminance": 0.18857
}

Semantic roles & 50–950 ramp

primary
#2180AF
secondary
#C88564
accent
#763DEB
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #2180AF

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

Preview Lab → · Contrast checker → · Palette generator →

#2180AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva