#228CB4#228CB4

#228CB4 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.1% C 0.109 H 229.1°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#228CB4
RGB	rgb(34, 140, 180)
HSL	hsl(196, 68%, 42%)
HSV	hsv(196, 81%, 71%)
CMYK	cmyk(81.1%, 22.2%, 0%, 29.4%)
CIE-LAB	lab(54.44, -15.04, -29.20)
CIE-LCH	lch(54.44, 32.84, 242.75°)
OKLab	oklab(60.07% -0.0713 -0.0822)
OKLCH	oklch(60.07% 0.109 229.1)
XYZ	xyz(18.2726, 22.3893, 46.5297)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228CB4 #B44A22

analogous

#22B493 #228CB4 #2243B4

triadic

#228CB4 #B4228C #8CB422

tetradic

#228CB4 #9322B4 #B44A22 #43B422

square

#228CB4 #9322B4 #B44A22 #43B422

split-complementary

#228CB4 #B42243 #B49322

monochromatic

#0F3C4D #186481 #228CB4 #3AAEDA #6DC3E3

Accessibility & contrast

On white

3.83

#228CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#228CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228CB4

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228CB4	#FFFFFF	#000000	##000000
##228CB4	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778AB6

Deuteranopia (green-blind)

#647CB3

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #228cb4;
/* rgb */ color: rgb(34, 140, 180);
/* oklch */ color: oklch(60.1% 0.109 229.1);

Tailwind

colors: {
  custom: {
    50: '#76adca',
    500: '#228cb4',
    950: '#000000',
  },
}

SCSS

$custom: #228cb4;
$custom-light: #76adca;
$custom-dark: #000000;

JSON

{
  "hex": "#228cb4",
  "rgb": {
    "r": 34,
    "g": 140,
    "b": 180
  },
  "hsl": {
    "h": 196.438,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60074,
    "c": 0.10878,
    "h": 229.1
  },
  "luminance": 0.22392
}

Semantic roles & 50–950 ramp

primary

#228CB4

secondary

#CA8368

accent

#6C3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228CB4

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

Preview Lab → · Contrast checker → · Palette generator →