#228AB3#228AB3

#228AB3 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.109 H 230.1°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#228AB3
RGB	rgb(34, 138, 179)
HSL	hsl(197, 68%, 42%)
HSV	hsv(197, 81%, 70%)
CMYK	cmyk(81%, 22.9%, 0%, 29.8%)
CIE-LAB	lab(53.78, -14.28, -29.65)
CIE-LCH	lch(53.78, 32.91, 244.28°)
OKLab	oklab(59.54% -0.0698 -0.0835)
OKLCH	oklch(59.54% 0.109 230.1)
XYZ	xyz(17.8815, 21.7695, 45.8986)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228AB3 #B34B22

analogous

#22B394 #228AB3 #2241B3

triadic

#228AB3 #B3228A #8AB322

tetradic

#228AB3 #9422B3 #B34B22 #41B322

square

#228AB3 #9422B3 #B34B22 #41B322

split-complementary

#228AB3 #B32241 #B39422

monochromatic

#0E3B4C #186280 #228AB3 #39ACD9 #6CC2E3

Accessibility & contrast

On white

3.92

#228AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#228AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228AB3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228AB3	#FFFFFF	#000000	##000000
##228AB3	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B5

Deuteranopia (green-blind)

#627BB2

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228ab3;
/* rgb */ color: rgb(34, 138, 179);
/* oklch */ color: oklch(59.5% 0.109 230.1);

Tailwind

colors: {
  custom: {
    50: '#76acca',
    500: '#228ab3',
    950: '#000000',
  },
}

SCSS

$custom: #228ab3;
$custom-light: #76acca;
$custom-dark: #000000;

JSON

{
  "hex": "#228ab3",
  "rgb": {
    "r": 34,
    "g": 138,
    "b": 179
  },
  "hsl": {
    "h": 196.966,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59535,
    "c": 0.10878,
    "h": 230.1
  },
  "luminance": 0.21772
}

Semantic roles & 50–950 ramp

primary

#228AB3

secondary

#C98368

accent

#6E3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228AB3

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

Preview Lab → · Contrast checker → · Palette generator →