#228EB3#228EB3

#228EB3 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.5% C 0.107 H 226.7°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#228EB3
RGB	rgb(34, 142, 179)
HSL	hsl(195, 68%, 42%)
HSV	hsv(195, 81%, 70%)
CMYK	cmyk(81%, 20.7%, 0%, 29.8%)
CIE-LAB	lab(55.01, -16.48, -27.74)
CIE-LCH	lch(55.01, 32.27, 239.28°)
OKLab	oklab(60.52% -0.0735 -0.078)
OKLCH	oklch(60.52% 0.107 226.7)
XYZ	xyz(18.4660, 22.9385, 46.0934)
Luminance	0.2294 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228EB3 #B34722

analogous

#22B390 #228EB3 #2246B3

triadic

#228EB3 #B3228E #8EB322

tetradic

#228EB3 #9022B3 #B34722 #46B322

square

#228EB3 #9022B3 #B34722 #46B322

split-complementary

#228EB3 #B32246 #B39022

monochromatic

#0E3C4C #186580 #228EB3 #39B0D9 #6CC5E3

Accessibility & contrast

On white

3.76

#228EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#228EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228EB3

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228EB3	#FFFFFF	#000000	##000000
##228EB3	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB5

Deuteranopia (green-blind)

#677EB3

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #228eb3;
/* rgb */ color: rgb(34, 142, 179);
/* oklch */ color: oklch(60.5% 0.107 226.7);

Tailwind

colors: {
  custom: {
    50: '#76afca',
    500: '#228eb3',
    950: '#000000',
  },
}

SCSS

$custom: #228eb3;
$custom-light: #76afca;
$custom-dark: #000000;

JSON

{
  "hex": "#228eb3",
  "rgb": {
    "r": 34,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 195.31,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60517,
    "c": 0.10718,
    "h": 226.7
  },
  "luminance": 0.22941
}

Semantic roles & 50–950 ramp

primary

#228EB3

secondary

#C98068

accent

#693DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228EB3

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

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