#228CA8#228CA8

#228CA8 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.5% C 0.100 H 220.4°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#228CA8
RGB	rgb(34, 140, 168)
HSL	hsl(193, 66%, 40%)
HSV	hsv(193, 80%, 66%)
CMYK	cmyk(79.8%, 16.7%, 0%, 34.1%)
CIE-LAB	lab(53.94, -19.20, -23.09)
CIE-LCH	lch(53.94, 30.03, 230.25°)
OKLab	oklab(59.51% -0.0759 -0.0646)
OKLCH	oklch(59.51% 0.1 220.4)
XYZ	xyz(17.1027, 21.9213, 40.3680)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228CA8 #A83E22

analogous

#22A881 #228CA8 #2249A8

triadic

#228CA8 #A8228C #8CA822

tetradic

#228CA8 #8122A8 #A83E22 #49A822

square

#228CA8 #8122A8 #A83E22 #49A822

split-complementary

#228CA8 #A82249 #A88122

monochromatic

#0D3742 #186275 #228CA8 #32B3D5 #65C6E0

Accessibility & contrast

On white

3.90

#228CA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#228CA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228CA8

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228CA8	#FFFFFF	#000000	##000000
##228CA8	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88A9

Deuteranopia (green-blind)

#697BA8

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228ca8;
/* rgb */ color: rgb(34, 140, 168);
/* oklch */ color: oklch(59.5% 0.100 220.4);

Tailwind

colors: {
  custom: {
    50: '#74adc2',
    500: '#228ca8',
    950: '#000000',
  },
}

SCSS

$custom: #228ca8;
$custom-light: #74adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#228ca8",
  "rgb": {
    "r": 34,
    "g": 140,
    "b": 168
  },
  "hsl": {
    "h": 192.537,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.59514,
    "c": 0.09968,
    "h": 220.4
  },
  "luminance": 0.21923
}

Semantic roles & 50–950 ramp

primary

#228CA8

secondary

#C57661

accent

#623FE9

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #228CA8

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

Preview Lab → · Contrast checker → · Palette generator →