#2183A6#2183A6

#2183A6 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.2% C 0.101 H 227.4°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#2183A6
RGB	rgb(33, 131, 166)
HSL	hsl(196, 67%, 39%)
HSV	hsv(196, 80%, 65%)
CMYK	cmyk(80.1%, 21.1%, 0%, 34.9%)
CIE-LAB	lab(51.04, -15.09, -26.41)
CIE-LCH	lch(51.04, 30.42, 240.25°)
OKLab	oklab(57.16% -0.0682 -0.0742)
OKLCH	oklch(57.16% 0.101 227.4)
XYZ	xyz(15.6236, 19.3072, 38.9722)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2183A6 #A64421

analogous

#21A687 #2183A6 #2141A6

triadic

#2183A6 #A62183 #83A621

tetradic

#2183A6 #8721A6 #A64421 #41A621

square

#2183A6 #8721A6 #A64421 #41A621

split-complementary

#2183A6 #A62141 #A68721

monochromatic

#0D3240 #175B73 #2183A6 #2FAAD6 #62BFE0

Accessibility & contrast

On white

4.32

#2183A6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#2183A6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2183A6

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2183A6	#FFFFFF	#000000	##000000
##2183A6	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081A8

Deuteranopia (green-blind)

#5F74A6

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2183a6;
/* rgb */ color: rgb(33, 131, 166);
/* oklch */ color: oklch(57.2% 0.101 227.4);

Tailwind

colors: {
  custom: {
    50: '#73a7c0',
    500: '#2183a6',
    950: '#000000',
  },
}

SCSS

$custom: #2183a6;
$custom-light: #73a7c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2183a6",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 166
  },
  "hsl": {
    "h": 195.789,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.57156,
    "c": 0.10082,
    "h": 227.4
  },
  "luminance": 0.19309
}

Semantic roles & 50–950 ramp

primary

#2183A6

secondary

#C5795E

accent

#6B3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2183A6

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

Preview Lab → · Contrast checker → · Palette generator →