#228CA9#228CA9

#228CA9 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.6% C 0.100 H 221.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#228CA9
RGB	rgb(34, 140, 169)
HSL	hsl(193, 67%, 40%)
HSV	hsv(193, 80%, 66%)
CMYK	cmyk(79.9%, 17.2%, 0%, 33.7%)
CIE-LAB	lab(53.98, -18.86, -23.60)
CIE-LCH	lch(53.98, 30.21, 231.37°)
OKLab	oklab(59.56% -0.0755 -0.0661)
OKLCH	oklch(59.56% 0.1 221.2)
XYZ	xyz(17.1962, 21.9587, 40.8606)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228CA9 #A93F22

analogous

#22A983 #228CA9 #2249A9

triadic

#228CA9 #A9228C #8CA922

tetradic

#228CA9 #8322A9 #A93F22 #49A922

square

#228CA9 #8322A9 #A93F22 #49A922

split-complementary

#228CA9 #A92249 #A98322

monochromatic

#0D3843 #186276 #228CA9 #32B3D6 #65C6E0

Accessibility & contrast

On white

3.89

#228CA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#228CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228CA9

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228CA9	#FFFFFF	#000000	##000000
##228CA9	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88AB

Deuteranopia (green-blind)

#697BA9

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228ca9;
/* rgb */ color: rgb(34, 140, 169);
/* oklch */ color: oklch(59.6% 0.100 221.2);

Tailwind

colors: {
  custom: {
    50: '#74adc2',
    500: '#228ca9',
    950: '#000000',
  },
}

SCSS

$custom: #228ca9;
$custom-light: #74adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#228ca9",
  "rgb": {
    "r": 34,
    "g": 140,
    "b": 169
  },
  "hsl": {
    "h": 192.889,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.59559,
    "c": 0.10033,
    "h": 221.2
  },
  "luminance": 0.21961
}

Semantic roles & 50–950 ramp

primary

#228CA9

secondary

#C57761

accent

#633EE9

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #228CA9

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

Preview Lab → · Contrast checker → · Palette generator →