#2188A6#2188A6

#2188A6 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.4% C 0.099 H 222.6°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#2188A6
RGB	rgb(33, 136, 166)
HSL	hsl(194, 67%, 39%)
HSV	hsv(194, 80%, 65%)
CMYK	cmyk(80.1%, 18.1%, 0%, 34.9%)
CIE-LAB	lab(52.60, -17.84, -24.00)
CIE-LCH	lch(52.60, 29.90, 233.39°)
OKLab	oklab(58.4% -0.0731 -0.0673)
OKLCH	oklch(58.4% 0.099 222.6)
XYZ	xyz(16.3114, 20.6828, 39.2015)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2188A6 #A63F21

analogous

#21A682 #2188A6 #2146A6

triadic

#2188A6 #A62188 #88A621

tetradic

#2188A6 #8221A6 #A63F21 #46A621

square

#2188A6 #8221A6 #A63F21 #46A621

split-complementary

#2188A6 #A62146 #A68221

monochromatic

#0D3440 #175E73 #2188A6 #2FB0D6 #62C3E0

Accessibility & contrast

On white

4.09

#2188A6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#2188A6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2188A6

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2188A6	#FFFFFF	#000000	##000000
##2188A6	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7785A8

Deuteranopia (green-blind)

#6578A6

Tritanopia (blue-blind)

#009192

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2188a6;
/* rgb */ color: rgb(33, 136, 166);
/* oklch */ color: oklch(58.4% 0.099 222.6);

Tailwind

colors: {
  custom: {
    50: '#73aac0',
    500: '#2188a6',
    950: '#000000',
  },
}

SCSS

$custom: #2188a6;
$custom-light: #73aac0;
$custom-dark: #000000;

JSON

{
  "hex": "#2188a6",
  "rgb": {
    "r": 33,
    "g": 136,
    "b": 166
  },
  "hsl": {
    "h": 193.534,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.58404,
    "c": 0.09936,
    "h": 222.6
  },
  "luminance": 0.20685
}

Semantic roles & 50–950 ramp

primary

#2188A6

secondary

#C5755E

accent

#653EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2188A6

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

Preview Lab → · Contrast checker → · Palette generator →