#228EA5#228EA5

#228EA5 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 59.9% C 0.098 H 216.0°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#228EA5
RGB	rgb(34, 142, 165)
HSL	hsl(191, 66%, 39%)
HSV	hsv(191, 79%, 65%)
CMYK	cmyk(79.4%, 13.9%, 0%, 35.3%)
CIE-LAB	lab(54.45, -21.28, -20.59)
CIE-LCH	lch(54.45, 29.61, 224.05°)
OKLab	oklab(59.88% -0.0791 -0.0575)
OKLCH	oklch(59.88% 0.098 216)
XYZ	xyz(17.1213, 22.4006, 39.0114)
Luminance	0.2240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228EA5 #A53922

analogous

#22A57B #228EA5 #224DA5

triadic

#228EA5 #A5228E #8EA522

tetradic

#228EA5 #7B22A5 #A53922 #4DA522

square

#228EA5 #7B22A5 #A53922 #4DA522

split-complementary

#228EA5 #A5224D #A57B22

monochromatic

#0D3740 #186272 #228EA5 #30B7D4 #63C9DF

Accessibility & contrast

On white

3.83

#228EA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#228EA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228EA5

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228EA5	#FFFFFF	#000000	##000000
##228EA5	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E89A6

Deuteranopia (green-blind)

#6D7DA5

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #228ea5;
/* rgb */ color: rgb(34, 142, 165);
/* oklch */ color: oklch(59.9% 0.098 216.0);

Tailwind

colors: {
  custom: {
    50: '#74afbf',
    500: '#228ea5',
    950: '#000000',
  },
}

SCSS

$custom: #228ea5;
$custom-light: #74afbf;
$custom-dark: #000000;

JSON

{
  "hex": "#228ea5",
  "rgb": {
    "r": 34,
    "g": 142,
    "b": 165
  },
  "hsl": {
    "h": 190.534,
    "s": 65.829,
    "l": 39.02
  },
  "oklch": {
    "l": 0.59883,
    "c": 0.09777,
    "h": 216
  },
  "luminance": 0.22403
}

Semantic roles & 50–950 ramp

primary

#228EA5

secondary

#C4715F

accent

#5D3FE9

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #228EA5

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

Preview Lab → · Contrast checker → · Palette generator →