#228FA8#228FA8

#228FA8 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.3% C 0.099 H 217.5°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#228FA8
RGB	rgb(34, 143, 168)
HSL	hsl(191, 66%, 40%)
HSV	hsv(191, 80%, 66%)
CMYK	cmyk(79.8%, 14.9%, 0%, 34.1%)
CIE-LAB	lab(54.88, -20.80, -21.65)
CIE-LCH	lch(54.88, 30.02, 226.15°)
OKLab	oklab(60.26% -0.0788 -0.0605)
OKLCH	oklch(60.26% 0.099 217.5)
XYZ	xyz(17.5470, 22.8100, 40.5162)
Luminance	0.2281 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228FA8 #A83B22

analogous

#22A87E #228FA8 #224CA8

triadic

#228FA8 #A8228F #8FA822

tetradic

#228FA8 #7E22A8 #A83B22 #4CA822

square

#228FA8 #7E22A8 #A83B22 #4CA822

split-complementary

#228FA8 #A8224C #A87E22

monochromatic

#0D3842 #186475 #228FA8 #32B7D5 #65C9E0

Accessibility & contrast

On white

3.78

#228FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#228FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228FA8

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228FA8	#FFFFFF	#000000	##000000
##228FA8	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8BA9

Deuteranopia (green-blind)

#6D7EA8

Tritanopia (blue-blind)

#009897

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #228fa8;
/* rgb */ color: rgb(34, 143, 168);
/* oklch */ color: oklch(60.3% 0.099 217.5);

Tailwind

colors: {
  custom: {
    50: '#74b0c2',
    500: '#228fa8',
    950: '#000000',
  },
}

SCSS

$custom: #228fa8;
$custom-light: #74b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#228fa8",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 168
  },
  "hsl": {
    "h": 191.194,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.60264,
    "c": 0.09939,
    "h": 217.5
  },
  "luminance": 0.22812
}

Semantic roles & 50–950 ramp

primary

#228FA8

secondary

#C57361

accent

#5E3FE9

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #228FA8

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

Preview Lab → · Contrast checker → · Palette generator →