#2183A2#2183A2

#2183A2 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.0% C 0.098 H 224.4°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX#2183A2
RGBrgb(33, 131, 162)
HSLhsl(194, 66%, 38%)
HSVhsv(194, 80%, 64%)
CMYKcmyk(79.6%, 19.1%, 0%, 36.5%)
CIE-LABlab(50.88, -16.50, -24.35)
CIE-LCHlch(50.88, 29.41, 235.88°)
OKLaboklab(56.97% -0.0698 -0.0683)
OKLCHoklch(56.97% 0.098 224.4)
XYZxyz(15.2624, 19.1627, 37.0698)
Luminance0.1916 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2183A2 #A24021
analogous
#21A280 #2183A2 #2142A2
triadic
#2183A2 #A22183 #83A221
tetradic
#2183A2 #8021A2 #A24021 #42A221
square
#2183A2 #8021A2 #A24021 #42A221
split-complementary
#2183A2 #A22142 #A28021
monochromatic
#0C313C #175A6F #2183A2 #2CACD4 #5FC0DE

Accessibility & contrast

On white

4.35
#2183A2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.83
#2183A2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2183A2
4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2183A2#FFFFFF#000000##000000
##2183A21.004.354.834.83
#FFFFFF4.351.0021.0021.00
#0000004.8321.001.001.00
##0000004.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7280A4
Deuteranopia (green-blind)
#6174A2
Tritanopia (blue-blind)
#008C8D
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #2183a2;
/* rgb */ color: rgb(33, 131, 162);
/* oklch */ color: oklch(57.0% 0.098 224.4);
Tailwind
colors: {
  custom: {
    50: '#72a7bd',
    500: '#2183a2',
    950: '#000000',
  },
}
SCSS
$custom: #2183a2;
$custom-light: #72a7bd;
$custom-dark: #000000;
JSON
{
  "hex": "#2183a2",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 162
  },
  "hsl": {
    "h": 194.419,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.56967,
    "c": 0.09764,
    "h": 224.4
  },
  "luminance": 0.19165
}

Semantic roles & 50–950 ramp

primary
#2183A2
secondary
#C3755C
accent
#683FE9
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F12
muted
#7B7F81

Preview Lab

Preview with #2183A2

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

Preview Lab → · Contrast checker → · Palette generator →

#2183A2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva