#227BD4#227BD4

#227BD4 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.9% C 0.159 H 252.7°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#227BD4
RGB	rgb(34, 123, 212)
HSL	hsl(210, 72%, 48%)
HSV	hsv(210, 84%, 83%)
CMYK	cmyk(84%, 42%, 0%, 16.9%)
CIE-LAB	lab(50.99, 6.77, -52.87)
CIE-LCH	lch(50.99, 53.30, 277.30°)
OKLab	oklab(57.87% -0.047 -0.1515)
OKLCH	oklch(57.87% 0.159 252.7)
XYZ	xyz(19.6218, 19.2570, 64.9574)
Luminance	0.1926 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#227BD4 #D47B22

analogous

#22D4D4 #227BD4 #2222D4

triadic

#227BD4 #D4227B #7BD422

tetradic

#227BD4 #D422D4 #D47B22 #22D422

square

#227BD4 #D422D4 #D47B22 #22D422

split-complementary

#227BD4 #D42222 #D4D422

monochromatic

#113E6B #1A5C9F #227BD4 #509AE3 #85B8EB

Accessibility & contrast

On white

4.33

#227BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#227BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #227BD4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##227BD4	#FFFFFF	#000000	##000000
##227BD4	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E82D7

Deuteranopia (green-blind)

#2D72D2

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #227bd4;
/* rgb */ color: rgb(34, 123, 212);
/* oklch */ color: oklch(57.9% 0.159 252.7);

Tailwind

colors: {
  custom: {
    50: '#7ca0e2',
    500: '#227bd4',
    950: '#000000',
  },
}

SCSS

$custom: #227bd4;
$custom-light: #7ca0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#227bd4",
  "rgb": {
    "r": 34,
    "g": 123,
    "b": 212
  },
  "hsl": {
    "h": 210,
    "s": 72.358,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57874,
    "c": 0.15862,
    "h": 252.7
  },
  "luminance": 0.19259
}

Semantic roles & 50–950 ramp

primary

#227BD4

secondary

#D5A97D

accent

#9439EF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #227BD4

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

Preview Lab → · Contrast checker → · Palette generator →