#227DA4#227DA4

#227DA4 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.101 H 231.7°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#227DA4
RGB	rgb(34, 125, 164)
HSL	hsl(198, 66%, 39%)
HSV	hsv(198, 79%, 64%)
CMYK	cmyk(79.3%, 23.8%, 0%, 35.7%)
CIE-LAB	lab(49.11, -12.32, -28.24)
CIE-LCH	lch(49.11, 30.82, 246.43°)
OKLab	oklab(55.59% -0.0627 -0.0795)
OKLCH	oklch(55.59% 0.101 231.7)
XYZ	xyz(14.6914, 17.6859, 37.7542)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#227DA4 #A44922

analogous

#22A48A #227DA4 #223CA4

triadic

#227DA4 #A4227D #7DA422

tetradic

#227DA4 #8A22A4 #A44922 #3CA422

square

#227DA4 #8A22A4 #A44922 #3CA422

split-complementary

#227DA4 #A4223C #A48A22

monochromatic

#0D303F #175671 #227DA4 #2FA3D4 #62B9DE

Accessibility & contrast

On white

4.63

#227DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#227DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #227DA4

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##227DA4	#FFFFFF	#000000	##FFFFFF
##227DA4	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697CA6

Deuteranopia (green-blind)

#586FA3

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #227da4;
/* rgb */ color: rgb(34, 125, 164);
/* oklch */ color: oklch(55.6% 0.101 231.7);

Tailwind

colors: {
  custom: {
    50: '#72a2bf',
    500: '#227da4',
    950: '#000000',
  },
}

SCSS

$custom: #227da4;
$custom-light: #72a2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#227da4",
  "rgb": {
    "r": 34,
    "g": 125,
    "b": 164
  },
  "hsl": {
    "h": 198,
    "s": 65.657,
    "l": 38.824
  },
  "oklch": {
    "l": 0.55589,
    "c": 0.10131,
    "h": 231.7
  },
  "luminance": 0.17688
}

Semantic roles & 50–950 ramp

primary

#227DA4

secondary

#C47D5E

accent

#723FE9

background

#F7FAFB

surface

#EDF3F7

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #227DA4

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

Preview Lab → · Contrast checker → · Palette generator →