#228DB3#228DB3

#228DB3 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.3% C 0.108 H 227.5°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#228DB3
RGB	rgb(34, 141, 179)
HSL	hsl(196, 68%, 42%)
HSV	hsv(196, 81%, 70%)
CMYK	cmyk(81%, 21.2%, 0%, 29.8%)
CIE-LAB	lab(54.70, -15.94, -28.22)
CIE-LCH	lch(54.70, 32.41, 240.54°)
OKLab	oklab(60.27% -0.0726 -0.0793)
OKLCH	oklch(60.27% 0.108 227.5)
XYZ	xyz(18.3179, 22.6422, 46.0440)
Luminance	0.2265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228DB3 #B34822

analogous

#22B391 #228DB3 #2245B3

triadic

#228DB3 #B3228D #8DB322

tetradic

#228DB3 #9122B3 #B34822 #45B322

square

#228DB3 #9122B3 #B34822 #45B322

split-complementary

#228DB3 #B32245 #B39122

monochromatic

#0E3C4C #186480 #228DB3 #39AFD9 #6CC4E3

Accessibility & contrast

On white

3.80

#228DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#228DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228DB3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228DB3	#FFFFFF	#000000	##000000
##228DB3	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB5

Deuteranopia (green-blind)

#667DB3

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #228db3;
/* rgb */ color: rgb(34, 141, 179);
/* oklch */ color: oklch(60.3% 0.108 227.5);

Tailwind

colors: {
  custom: {
    50: '#76aeca',
    500: '#228db3',
    950: '#000000',
  },
}

SCSS

$custom: #228db3;
$custom-light: #76aeca;
$custom-dark: #000000;

JSON

{
  "hex": "#228db3",
  "rgb": {
    "r": 34,
    "g": 141,
    "b": 179
  },
  "hsl": {
    "h": 195.724,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60271,
    "c": 0.10754,
    "h": 227.5
  },
  "luminance": 0.22645
}

Semantic roles & 50–950 ramp

primary

#228DB3

secondary

#C98168

accent

#6A3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228DB3

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

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