#228BB4#228BB4

#228BB4 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.109 H 229.9°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#228BB4
RGB	rgb(34, 139, 180)
HSL	hsl(197, 68%, 42%)
HSV	hsv(197, 81%, 71%)
CMYK	cmyk(81.1%, 22.8%, 0%, 29.4%)
CIE-LAB	lab(54.13, -14.48, -29.68)
CIE-LCH	lch(54.13, 33.02, 243.99°)
OKLab	oklab(59.83% -0.0703 -0.0835)
OKLCH	oklch(59.83% 0.109 229.9)
XYZ	xyz(18.1271, 22.0983, 46.4812)
Luminance	0.2210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228BB4 #B44B22

analogous

#22B494 #228BB4 #2242B4

triadic

#228BB4 #B4228B #8BB422

tetradic

#228BB4 #9422B4 #B44B22 #42B422

square

#228BB4 #9422B4 #B44B22 #42B422

split-complementary

#228BB4 #B42242 #B49422

monochromatic

#0F3B4D #186381 #228BB4 #3AADDA #6DC2E3

Accessibility & contrast

On white

3.87

#228BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#228BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228BB4

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228BB4	#FFFFFF	#000000	##000000
##228BB4	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7689B6

Deuteranopia (green-blind)

#637BB3

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228bb4;
/* rgb */ color: rgb(34, 139, 180);
/* oklch */ color: oklch(59.8% 0.109 229.9);

Tailwind

colors: {
  custom: {
    50: '#76adca',
    500: '#228bb4',
    950: '#000000',
  },
}

SCSS

$custom: #228bb4;
$custom-light: #76adca;
$custom-dark: #000000;

JSON

{
  "hex": "#228bb4",
  "rgb": {
    "r": 34,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 196.849,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.59829,
    "c": 0.10921,
    "h": 229.9
  },
  "luminance": 0.22101
}

Semantic roles & 50–950 ramp

primary

#228BB4

secondary

#CA8468

accent

#6E3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228BB4

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

Preview Lab → · Contrast checker → · Palette generator →