#228FB3#228FB3

#228FB3 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.8% C 0.107 H 225.8°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#228FB3
RGB	rgb(34, 143, 179)
HSL	hsl(195, 68%, 42%)
HSV	hsv(195, 81%, 70%)
CMYK	cmyk(81%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(55.32, -17.03, -27.27)
CIE-LCH	lch(55.32, 32.15, 238.01°)
OKLab	oklab(60.76% -0.0745 -0.0766)
OKLCH	oklch(60.76% 0.107 225.8)
XYZ	xyz(18.6154, 23.2374, 46.1432)
Luminance	0.2324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228FB3 #B34622

analogous

#22B38F #228FB3 #2246B3

triadic

#228FB3 #B3228F #8FB322

tetradic

#228FB3 #8F22B3 #B34622 #46B322

square

#228FB3 #8F22B3 #B34622 #46B322

split-complementary

#228FB3 #B32246 #B38F22

monochromatic

#0E3D4C #186680 #228FB3 #39B2D9 #6CC6E3

Accessibility & contrast

On white

3.72

#228FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#228FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228FB3

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228FB3	#FFFFFF	#000000	##000000
##228FB3	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB5

Deuteranopia (green-blind)

#687FB3

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #228fb3;
/* rgb */ color: rgb(34, 143, 179);
/* oklch */ color: oklch(60.8% 0.107 225.8);

Tailwind

colors: {
  custom: {
    50: '#76b0ca',
    500: '#228fb3',
    950: '#000000',
  },
}

SCSS

$custom: #228fb3;
$custom-light: #76b0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#228fb3",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 194.897,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60763,
    "c": 0.10685,
    "h": 225.8
  },
  "luminance": 0.2324
}

Semantic roles & 50–950 ramp

primary

#228FB3

secondary

#C98068

accent

#683DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228FB3

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

Preview Lab → · Contrast checker → · Palette generator →