#228FAA#228FAA

#228FAA is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.4% C 0.101 H 219.1°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#228FAA
RGB	rgb(34, 143, 170)
HSL	hsl(192, 67%, 40%)
HSV	hsv(192, 80%, 67%)
CMYK	cmyk(80%, 15.9%, 0%, 33.3%)
CIE-LAB	lab(54.95, -20.12, -22.68)
CIE-LCH	lch(54.95, 30.32, 228.42°)
OKLab	oklab(60.35% -0.078 -0.0635)
OKLCH	oklch(60.35% 0.101 219.1)
XYZ	xyz(17.7348, 22.8851, 41.5050)
Luminance	0.2289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228FAA #AA3D22

analogous

#22AA81 #228FAA #224BAA

triadic

#228FAA #AA228F #8FAA22

tetradic

#228FAA #8122AA #AA3D22 #4BAA22

square

#228FAA #8122AA #AA3D22 #4BAA22

split-complementary

#228FAA #AA224B #AA8122

monochromatic

#0E3944 #186477 #228FAA #33B6D6 #66C8E0

Accessibility & contrast

On white

3.77

#228FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#228FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228FAA

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228FAA	#FFFFFF	#000000	##000000
##228FAA	1.00	3.77	5.58	5.58
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8BAB

Deuteranopia (green-blind)

#6C7EAA

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #228faa;
/* rgb */ color: rgb(34, 143, 170);
/* oklch */ color: oklch(60.4% 0.101 219.1);

Tailwind

colors: {
  custom: {
    50: '#75b0c3',
    500: '#228faa',
    950: '#000000',
  },
}

SCSS

$custom: #228faa;
$custom-light: #75b0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#228faa",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 170
  },
  "hsl": {
    "h": 191.912,
    "s": 66.667,
    "l": 40
  },
  "oklch": {
    "l": 0.60353,
    "c": 0.10056,
    "h": 219.1
  },
  "luminance": 0.22887
}

Semantic roles & 50–950 ramp

primary

#228FAA

secondary

#C67662

accent

#603EEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #228FAA

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

Preview Lab → · Contrast checker → · Palette generator →