#228DA3#228DA3

#228DA3 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.5% C 0.097 H 215.3°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#228DA3
RGB	rgb(34, 141, 163)
HSL	hsl(190, 65%, 39%)
HSV	hsv(190, 79%, 64%)
CMYK	cmyk(79.1%, 13.5%, 0%, 36.1%)
CIE-LAB	lab(54.06, -21.42, -20.03)
CIE-LCH	lch(54.06, 29.33, 223.07°)
OKLab	oklab(59.55% -0.0789 -0.0559)
OKLCH	oklch(59.55% 0.097 215.3)
XYZ	xyz(16.7926, 22.0321, 38.0108)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228DA3 #A33822

analogous

#22A378 #228DA3 #224CA3

triadic

#228DA3 #A3228D #8DA322

tetradic

#228DA3 #7822A3 #A33822 #4CA322

square

#228DA3 #7822A3 #A33822 #4CA322

split-complementary

#228DA3 #A3224C #A37822

monochromatic

#0D353E #176170 #228DA3 #2FB7D4 #61C9DE

Accessibility & contrast

On white

3.88

#228DA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#228DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228DA3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228DA3	#FFFFFF	#000000	##000000
##228DA3	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E88A4

Deuteranopia (green-blind)

#6D7CA3

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228da3;
/* rgb */ color: rgb(34, 141, 163);
/* oklch */ color: oklch(59.5% 0.097 215.3);

Tailwind

colors: {
  custom: {
    50: '#74aebe',
    500: '#228da3',
    950: '#000000',
  },
}

SCSS

$custom: #228da3;
$custom-light: #74aebe;
$custom-dark: #000000;

JSON

{
  "hex": "#228da3",
  "rgb": {
    "r": 34,
    "g": 141,
    "b": 163
  },
  "hsl": {
    "h": 190.233,
    "s": 65.482,
    "l": 38.627
  },
  "oklch": {
    "l": 0.59545,
    "c": 0.09672,
    "h": 215.3
  },
  "luminance": 0.22034
}

Semantic roles & 50–950 ramp

primary

#228DA3

secondary

#C36F5E

accent

#5C3FE8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #228DA3

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

Preview Lab → · Contrast checker → · Palette generator →