#228BB3#228BB3

#228BB3 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.108 H 229.3°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#228BB3
RGB	rgb(34, 139, 179)
HSL	hsl(197, 68%, 42%)
HSV	hsv(197, 81%, 70%)
CMYK	cmyk(81%, 22.3%, 0%, 29.8%)
CIE-LAB	lab(54.09, -14.84, -29.17)
CIE-LCH	lch(54.09, 32.73, 243.04°)
OKLab	oklab(59.78% -0.0707 -0.0821)
OKLCH	oklch(59.78% 0.108 229.3)
XYZ	xyz(18.0256, 22.0577, 45.9466)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228BB3 #B34A22

analogous

#22B393 #228BB3 #2242B3

triadic

#228BB3 #B3228B #8BB322

tetradic

#228BB3 #9322B3 #B34A22 #42B322

square

#228BB3 #9322B3 #B34A22 #42B322

split-complementary

#228BB3 #B32242 #B39322

monochromatic

#0E3B4C #186380 #228BB3 #39ADD9 #6CC2E3

Accessibility & contrast

On white

3.88

#228BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#228BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228BB3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228BB3	#FFFFFF	#000000	##000000
##228BB3	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7689B5

Deuteranopia (green-blind)

#637BB2

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228bb3;
/* rgb */ color: rgb(34, 139, 179);
/* oklch */ color: oklch(59.8% 0.108 229.3);

Tailwind

colors: {
  custom: {
    50: '#76adca',
    500: '#228bb3',
    950: '#000000',
  },
}

SCSS

$custom: #228bb3;
$custom-light: #76adca;
$custom-dark: #000000;

JSON

{
  "hex": "#228bb3",
  "rgb": {
    "r": 34,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 196.552,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5978,
    "c": 0.10834,
    "h": 229.3
  },
  "luminance": 0.2206
}

Semantic roles & 50–950 ramp

primary

#228BB3

secondary

#C98268

accent

#6D3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228BB3

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

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