#2188A5#2188A5

#2188A5 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.4% C 0.099 H 221.8°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#2188A5
RGB	rgb(33, 136, 165)
HSL	hsl(193, 67%, 39%)
HSV	hsv(193, 80%, 65%)
CMYK	cmyk(80%, 17.6%, 0%, 35.3%)
CIE-LAB	lab(52.56, -18.18, -23.49)
CIE-LCH	lch(52.56, 29.70, 232.26°)
OKLab	oklab(58.36% -0.0735 -0.0658)
OKLCH	oklch(58.36% 0.099 221.8)
XYZ	xyz(16.2200, 20.6463, 38.7203)
Luminance	0.2065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2188A5 #A53E21

analogous

#21A580 #2188A5 #2146A5

triadic

#2188A5 #A52188 #88A521

tetradic

#2188A5 #8021A5 #A53E21 #46A521

square

#2188A5 #8021A5 #A53E21 #46A521

split-complementary

#2188A5 #A52146 #A58021

monochromatic

#0D343F #175E72 #2188A5 #2EB0D5 #61C4DF

Accessibility & contrast

On white

4.09

#2188A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#2188A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2188A5

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2188A5	#FFFFFF	#000000	##000000
##2188A5	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7785A7

Deuteranopia (green-blind)

#6678A5

Tritanopia (blue-blind)

#009191

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2188a5;
/* rgb */ color: rgb(33, 136, 165);
/* oklch */ color: oklch(58.4% 0.099 221.8);

Tailwind

colors: {
  custom: {
    50: '#73aabf',
    500: '#2188a5',
    950: '#000000',
  },
}

SCSS

$custom: #2188a5;
$custom-light: #73aabf;
$custom-dark: #000000;

JSON

{
  "hex": "#2188a5",
  "rgb": {
    "r": 33,
    "g": 136,
    "b": 165
  },
  "hsl": {
    "h": 193.182,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.58358,
    "c": 0.09867,
    "h": 221.8
  },
  "luminance": 0.20648
}

Semantic roles & 50–950 ramp

primary

#2188A5

secondary

#C4745E

accent

#643EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2188A5

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

Preview Lab → · Contrast checker → · Palette generator →