#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
RGB	rgb(33, 131, 162)
HSL	hsl(194, 66%, 38%)
HSV	hsv(194, 80%, 64%)
CMYK	cmyk(79.6%, 19.1%, 0%, 36.5%)
CIE-LAB	lab(50.88, -16.50, -24.35)
CIE-LCH	lch(50.88, 29.41, 235.88°)
OKLab	oklab(56.97% -0.0698 -0.0683)
OKLCH	oklch(56.97% 0.098 224.4)
XYZ	xyz(15.2624, 19.1627, 37.0698)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

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
##2183A2	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

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 →