#228FBC#228FBC

#228FBC is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.2% C 0.114 H 231.5°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#228FBC
RGB	rgb(34, 143, 188)
HSL	hsl(198, 69%, 44%)
HSV	hsv(198, 82%, 74%)
CMYK	cmyk(81.9%, 23.9%, 0%, 26.3%)
CIE-LAB	lab(55.70, -13.87, -31.80)
CIE-LCH	lch(55.70, 34.69, 246.43°)
OKLab	oklab(61.2% -0.0712 -0.0896)
OKLCH	oklch(61.2% 0.114 231.5)
XYZ	xyz(19.5555, 23.6134, 51.0944)
Luminance	0.2362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228FBC #BC4F22

analogous

#22BC9C #228FBC #2242BC

triadic

#228FBC #BC228F #8FBC22

tetradic

#228FBC #9C22BC #BC4F22 #42BC22

square

#228FBC #9C22BC #BC4F22 #42BC22

split-complementary

#228FBC #BC2242 #BC9C22

monochromatic

#0F4054 #196888 #228FBC #3FAEDC #73C4E6

Accessibility & contrast

On white

3.67

#228FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#228FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228FBC

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228FBC	#FFFFFF	#000000	##000000
##228FBC	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBE

Deuteranopia (green-blind)

#647FBB

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #228fbc;
/* rgb */ color: rgb(34, 143, 188);
/* oklch */ color: oklch(61.2% 0.114 231.5);

Tailwind

colors: {
  custom: {
    50: '#78afd0',
    500: '#228fbc',
    950: '#000000',
  },
}

SCSS

$custom: #228fbc;
$custom-light: #78afd0;
$custom-dark: #000000;

JSON

{
  "hex": "#228fbc",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 197.532,
    "s": 69.369,
    "l": 43.529
  },
  "oklch": {
    "l": 0.61196,
    "c": 0.11447,
    "h": 231.5
  },
  "luminance": 0.23616
}

Semantic roles & 50–950 ramp

primary

#228FBC

secondary

#CD896D

accent

#6F3CEC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1014

muted

#7C7F82

Preview Lab

Preview with #228FBC

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

Preview Lab → · Contrast checker → · Palette generator →