#2188A1#2188A1

#2188A1 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.2% C 0.096 H 218.6°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#2188A1
RGB	rgb(33, 136, 161)
HSL	hsl(192, 66%, 38%)
HSV	hsv(192, 80%, 63%)
CMYK	cmyk(79.5%, 15.5%, 0%, 36.9%)
CIE-LAB	lab(52.40, -19.55, -21.42)
CIE-LCH	lch(52.40, 29.00, 227.61°)
OKLab	oklab(58.18% -0.0751 -0.0599)
OKLCH	oklch(58.18% 0.096 218.6)
XYZ	xyz(15.8617, 20.5029, 36.8328)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2188A1 #A13A21

analogous

#21A17A #2188A1 #2148A1

triadic

#2188A1 #A12188 #88A121

tetradic

#2188A1 #7A21A1 #A13A21 #48A121

square

#2188A1 #7A21A1 #A13A21 #48A121

split-complementary

#2188A1 #A12148 #A17A21

monochromatic

#0C323B #175D6E #2188A1 #2CB3D4 #5EC5DE

Accessibility & contrast

On white

4.12

#2188A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#2188A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2188A1

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2188A1	#FFFFFF	#000000	##000000
##2188A1	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7884A2

Deuteranopia (green-blind)

#6778A1

Tritanopia (blue-blind)

#009090

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2188a1;
/* rgb */ color: rgb(33, 136, 161);
/* oklch */ color: oklch(58.2% 0.096 218.6);

Tailwind

colors: {
  custom: {
    50: '#72abbc',
    500: '#2188a1',
    950: '#000000',
  },
}

SCSS

$custom: #2188a1;
$custom-light: #72abbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2188a1",
  "rgb": {
    "r": 33,
    "g": 136,
    "b": 161
  },
  "hsl": {
    "h": 191.719,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.58177,
    "c": 0.09609,
    "h": 218.6
  },
  "luminance": 0.20505
}

Semantic roles & 50–950 ramp

primary

#2188A1

secondary

#C36F5B

accent

#603FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2188A1

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

Preview Lab → · Contrast checker → · Palette generator →