#228FA5#228FA5

#228FA5 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.1% C 0.098 H 215.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#228FA5
RGB	rgb(34, 143, 165)
HSL	hsl(190, 66%, 39%)
HSV	hsv(190, 79%, 65%)
CMYK	cmyk(79.4%, 13.3%, 0%, 35.3%)
CIE-LAB	lab(54.76, -21.81, -20.11)
CIE-LCH	lch(54.76, 29.66, 222.68°)
OKLab	oklab(60.13% -0.0801 -0.0561)
OKLCH	oklch(60.13% 0.098 215)
XYZ	xyz(17.2708, 22.6995, 39.0612)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228FA5 #A53822

analogous

#22A57A #228FA5 #224EA5

triadic

#228FA5 #A5228F #8FA522

tetradic

#228FA5 #7A22A5 #A53822 #4EA522

square

#228FA5 #7A22A5 #A53822 #4EA522

split-complementary

#228FA5 #A5224E #A57A22

monochromatic

#0D3740 #186372 #228FA5 #30B9D4 #63CADF

Accessibility & contrast

On white

3.79

#228FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#228FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228FA5

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228FA5	#FFFFFF	#000000	##000000
##228FA5	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808AA6

Deuteranopia (green-blind)

#6E7EA5

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #228fa5;
/* rgb */ color: rgb(34, 143, 165);
/* oklch */ color: oklch(60.1% 0.098 215.0);

Tailwind

colors: {
  custom: {
    50: '#74b0bf',
    500: '#228fa5',
    950: '#000000',
  },
}

SCSS

$custom: #228fa5;
$custom-light: #74b0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#228fa5",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 165
  },
  "hsl": {
    "h": 190.076,
    "s": 65.829,
    "l": 39.02
  },
  "oklch": {
    "l": 0.60134,
    "c": 0.09778,
    "h": 215
  },
  "luminance": 0.22702
}

Semantic roles & 50–950 ramp

primary

#228FA5

secondary

#C4705F

accent

#5C3FE9

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #228FA5

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

Preview Lab → · Contrast checker → · Palette generator →