#2188A0#2188A0

#2188A0 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.1% C 0.096 H 217.7°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#2188A0
RGB	rgb(33, 136, 160)
HSL	hsl(191, 66%, 38%)
HSV	hsv(191, 79%, 63%)
CMYK	cmyk(79.4%, 15%, 0%, 37.3%)
CIE-LAB	lab(52.36, -19.89, -20.90)
CIE-LCH	lch(52.36, 28.86, 226.42°)
OKLab	oklab(58.13% -0.0755 -0.0584)
OKLCH	oklch(58.13% 0.096 217.7)
XYZ	xyz(15.7738, 20.4678, 36.3702)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2188A0 #A03921

analogous

#21A079 #2188A0 #2148A0

triadic

#2188A0 #A02188 #88A021

tetradic

#2188A0 #7921A0 #A03921 #48A021

square

#2188A0 #7921A0 #A03921 #48A021

split-complementary

#2188A0 #A02148 #A07921

monochromatic

#0C323B #175D6D #2188A0 #2BB3D3 #5EC6DE

Accessibility & contrast

On white

4.12

#2188A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#2188A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2188A0

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2188A0	#FFFFFF	#000000	##000000
##2188A0	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7884A1

Deuteranopia (green-blind)

#6878A0

Tritanopia (blue-blind)

#009090

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2188a0;
/* rgb */ color: rgb(33, 136, 160);
/* oklch */ color: oklch(58.1% 0.096 217.7);

Tailwind

colors: {
  custom: {
    50: '#72abbc',
    500: '#2188a0',
    950: '#000000',
  },
}

SCSS

$custom: #2188a0;
$custom-light: #72abbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2188a0",
  "rgb": {
    "r": 33,
    "g": 136,
    "b": 160
  },
  "hsl": {
    "h": 191.339,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.58133,
    "c": 0.0955,
    "h": 217.7
  },
  "luminance": 0.2047
}

Semantic roles & 50–950 ramp

primary

#2188A0

secondary

#C26E5B

accent

#5F3FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2188A0

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

Preview Lab → · Contrast checker → · Palette generator →