#228CB1#228CB1

#228CB1 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.9% C 0.106 H 227.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#228CB1
RGB	rgb(34, 140, 177)
HSL	hsl(196, 68%, 41%)
HSV	hsv(196, 81%, 69%)
CMYK	cmyk(80.8%, 20.9%, 0%, 30.6%)
CIE-LAB	lab(54.31, -16.09, -27.68)
CIE-LCH	lch(54.31, 32.02, 239.83°)
OKLab	oklab(59.93% -0.0724 -0.0778)
OKLCH	oklch(59.93% 0.106 227.1)
XYZ	xyz(17.9703, 22.2683, 44.9375)
Luminance	0.2227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228CB1 #B14722

analogous

#22B18F #228CB1 #2245B1

triadic

#228CB1 #B1228C #8CB122

tetradic

#228CB1 #8F22B1 #B14722 #45B122

square

#228CB1 #8F22B1 #B14722 #45B122

split-complementary

#228CB1 #B12245 #B18F22

monochromatic

#0E3B4A #18637E #228CB1 #38AFD9 #6BC4E3

Accessibility & contrast

On white

3.85

#228CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#228CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228CB1

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228CB1	#FFFFFF	#000000	##000000
##228CB1	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B3

Deuteranopia (green-blind)

#657CB1

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #228cb1;
/* rgb */ color: rgb(34, 140, 177);
/* oklch */ color: oklch(59.9% 0.106 227.1);

Tailwind

colors: {
  custom: {
    50: '#76adc8',
    500: '#228cb1',
    950: '#000000',
  },
}

SCSS

$custom: #228cb1;
$custom-light: #76adc8;
$custom-dark: #000000;

JSON

{
  "hex": "#228cb1",
  "rgb": {
    "r": 34,
    "g": 140,
    "b": 177
  },
  "hsl": {
    "h": 195.524,
    "s": 67.773,
    "l": 41.373
  },
  "oklch": {
    "l": 0.5993,
    "c": 0.10627,
    "h": 227.1
  },
  "luminance": 0.22271
}

Semantic roles & 50–950 ramp

primary

#228CB1

secondary

#C98066

accent

#6A3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228CB1

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

Preview Lab → · Contrast checker → · Palette generator →