#228CBC#228CBC

#228CBC is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.5% C 0.116 H 233.9°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#228CBC
RGB	rgb(34, 140, 188)
HSL	hsl(199, 69%, 44%)
HSV	hsv(199, 82%, 74%)
CMYK	cmyk(81.9%, 25.5%, 0%, 26.3%)
CIE-LAB	lab(54.79, -12.20, -33.22)
CIE-LCH	lch(54.79, 35.39, 249.84°)
OKLab	oklab(60.47% -0.0684 -0.0938)
OKLCH	oklch(60.47% 0.116 233.9)
XYZ	xyz(19.1112, 22.7247, 50.9463)
Luminance	0.2273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228CBC #BC5222

analogous

#22BC9F #228CBC #223FBC

triadic

#228CBC #BC228C #8CBC22

tetradic

#228CBC #9F22BC #BC5222 #3FBC22

square

#228CBC #9F22BC #BC5222 #3FBC22

split-complementary

#228CBC #BC223F #BC9F22

monochromatic

#0F3F54 #196588 #228CBC #3FABDC #73C2E6

Accessibility & contrast

On white

3.79

#228CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#228CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228CBC

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228CBC	#FFFFFF	#000000	##000000
##228CBC	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748BBE

Deuteranopia (green-blind)

#607DBB

Tritanopia (blue-blind)

#00999C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #228cbc;
/* rgb */ color: rgb(34, 140, 188);
/* oklch */ color: oklch(60.5% 0.116 233.9);

Tailwind

colors: {
  custom: {
    50: '#77add0',
    500: '#228cbc',
    950: '#000000',
  },
}

SCSS

$custom: #228cbc;
$custom-light: #77add0;
$custom-dark: #000000;

JSON

{
  "hex": "#228cbc",
  "rgb": {
    "r": 34,
    "g": 140,
    "b": 188
  },
  "hsl": {
    "h": 198.701,
    "s": 69.369,
    "l": 43.529
  },
  "oklch": {
    "l": 0.60469,
    "c": 0.11609,
    "h": 233.9
  },
  "luminance": 0.22727
}

Semantic roles & 50–950 ramp

primary

#228CBC

secondary

#CD8B6D

accent

#733CEC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1014

muted

#7C7F82

Preview Lab

Preview with #228CBC

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

Preview Lab → · Contrast checker → · Palette generator →