#228CA3#228CA3

#228CA3 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.3% C 0.097 H 216.3°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#228CA3
RGB	rgb(34, 140, 163)
HSL	hsl(191, 65%, 39%)
HSV	hsv(191, 79%, 64%)
CMYK	cmyk(79.1%, 14.1%, 0%, 36.1%)
CIE-LAB	lab(53.75, -20.90, -20.51)
CIE-LCH	lch(53.75, 29.28, 224.46°)
OKLab	oklab(59.29% -0.0779 -0.0573)
OKLCH	oklch(59.29% 0.097 216.3)
XYZ	xyz(16.6458, 21.7385, 37.9619)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228CA3 #A33922

analogous

#22A379 #228CA3 #224BA3

triadic

#228CA3 #A3228C #8CA322

tetradic

#228CA3 #7922A3 #A33922 #4BA322

square

#228CA3 #7922A3 #A33922 #4BA322

split-complementary

#228CA3 #A3224B #A37922

monochromatic

#0D353E #176170 #228CA3 #2FB6D4 #61C8DE

Accessibility & contrast

On white

3.93

#228CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#228CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228CA3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228CA3	#FFFFFF	#000000	##000000
##228CA3	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D88A4

Deuteranopia (green-blind)

#6B7BA3

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #228ca3;
/* rgb */ color: rgb(34, 140, 163);
/* oklch */ color: oklch(59.3% 0.097 216.3);

Tailwind

colors: {
  custom: {
    50: '#73adbe',
    500: '#228ca3',
    950: '#000000',
  },
}

SCSS

$custom: #228ca3;
$custom-light: #73adbe;
$custom-dark: #000000;

JSON

{
  "hex": "#228ca3",
  "rgb": {
    "r": 34,
    "g": 140,
    "b": 163
  },
  "hsl": {
    "h": 190.698,
    "s": 65.482,
    "l": 38.627
  },
  "oklch": {
    "l": 0.59293,
    "c": 0.09671,
    "h": 216.3
  },
  "luminance": 0.21741
}

Semantic roles & 50–950 ramp

primary

#228CA3

secondary

#C3705E

accent

#5E3FE8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #228CA3

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

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