#228BA3#228BA3

#228BA3 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.0% C 0.097 H 217.3°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#228BA3
RGB	rgb(34, 139, 163)
HSL	hsl(191, 65%, 39%)
HSV	hsv(191, 79%, 64%)
CMYK	cmyk(79.1%, 14.7%, 0%, 36.1%)
CIE-LAB	lab(53.44, -20.37, -20.99)
CIE-LCH	lch(53.44, 29.25, 225.86°)
OKLab	oklab(59.04% -0.0769 -0.0586)
OKLCH	oklch(59.04% 0.097 217.3)
XYZ	xyz(16.5003, 21.4476, 37.9134)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228BA3 #A33A22

analogous

#22A37A #228BA3 #224AA3

triadic

#228BA3 #A3228B #8BA322

tetradic

#228BA3 #7A22A3 #A33A22 #4AA322

square

#228BA3 #7A22A3 #A33A22 #4AA322

split-complementary

#228BA3 #A3224A #A37A22

monochromatic

#0D353E #176070 #228BA3 #2FB5D4 #61C7DE

Accessibility & contrast

On white

3.97

#228BA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#228BA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228BA3

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228BA3	#FFFFFF	#000000	##000000
##228BA3	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B87A4

Deuteranopia (green-blind)

#6A7AA3

Tritanopia (blue-blind)

#009393

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #228ba3;
/* rgb */ color: rgb(34, 139, 163);
/* oklch */ color: oklch(59.0% 0.097 217.3);

Tailwind

colors: {
  custom: {
    50: '#73adbe',
    500: '#228ba3',
    950: '#000000',
  },
}

SCSS

$custom: #228ba3;
$custom-light: #73adbe;
$custom-dark: #000000;

JSON

{
  "hex": "#228ba3",
  "rgb": {
    "r": 34,
    "g": 139,
    "b": 163
  },
  "hsl": {
    "h": 191.163,
    "s": 65.482,
    "l": 38.627
  },
  "oklch": {
    "l": 0.59041,
    "c": 0.09673,
    "h": 217.3
  },
  "luminance": 0.2145
}

Semantic roles & 50–950 ramp

primary

#228BA3

secondary

#C3715E

accent

#5F3FE8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #228BA3

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

Preview Lab → · Contrast checker → · Palette generator →