#228FB2#228FB2

#228FB2 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.7% C 0.106 H 225.1°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#228FB2
RGB	rgb(34, 143, 178)
HSL	hsl(195, 68%, 42%)
HSV	hsv(195, 81%, 70%)
CMYK	cmyk(80.9%, 19.7%, 0%, 30.2%)
CIE-LAB	lab(55.27, -17.38, -26.76)
CIE-LCH	lch(55.27, 31.91, 237.00°)
OKLab	oklab(60.72% -0.0749 -0.0751)
OKLCH	oklch(60.72% 0.106 225.1)
XYZ	xyz(18.5147, 23.1970, 45.6125)
Luminance	0.2320 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228FB2 #B24522

analogous

#22B28D #228FB2 #2247B2

triadic

#228FB2 #B2228F #8FB222

tetradic

#228FB2 #8D22B2 #B24522 #47B222

square

#228FB2 #8D22B2 #B24522 #47B222

split-complementary

#228FB2 #B22247 #B28D22

monochromatic

#0E3C4B #18667F #228FB2 #38B2D9 #6CC6E3

Accessibility & contrast

On white

3.72

#228FB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#228FB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228FB2

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228FB2	#FFFFFF	#000000	##000000
##228FB2	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB4

Deuteranopia (green-blind)

#697EB2

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #228fb2;
/* rgb */ color: rgb(34, 143, 178);
/* oklch */ color: oklch(60.7% 0.106 225.1);

Tailwind

colors: {
  custom: {
    50: '#76b0c9',
    500: '#228fb2',
    950: '#000000',
  },
}

SCSS

$custom: #228fb2;
$custom-light: #76b0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#228fb2",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 178
  },
  "hsl": {
    "h": 194.583,
    "s": 67.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.60717,
    "c": 0.10608,
    "h": 225.1
  },
  "luminance": 0.23199
}

Semantic roles & 50–950 ramp

primary

#228FB2

secondary

#C97F67

accent

#673DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228FB2

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

Preview Lab → · Contrast checker → · Palette generator →