#228BB1#228BB1

#228BB1 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.7% C 0.107 H 227.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#228BB1
RGB	rgb(34, 139, 177)
HSL	hsl(196, 68%, 41%)
HSV	hsv(196, 81%, 69%)
CMYK	cmyk(80.8%, 21.5%, 0%, 30.6%)
CIE-LAB	lab(54.00, -15.54, -28.16)
CIE-LCH	lch(54.00, 32.16, 241.11°)
OKLab	oklab(59.68% -0.0714 -0.0792)
OKLCH	oklch(59.68% 0.107 227.9)
XYZ	xyz(17.8248, 21.9774, 44.8891)
Luminance	0.2198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228BB1 #B14822

analogous

#22B190 #228BB1 #2244B1

triadic

#228BB1 #B1228B #8BB122

tetradic

#228BB1 #9022B1 #B14822 #44B122

square

#228BB1 #9022B1 #B14822 #44B122

split-complementary

#228BB1 #B12244 #B19022

monochromatic

#0E3A4A #18637E #228BB1 #38AED9 #6BC3E3

Accessibility & contrast

On white

3.89

#228BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#228BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228BB1

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228BB1	#FFFFFF	#000000	##000000
##228BB1	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7789B3

Deuteranopia (green-blind)

#647BB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228bb1;
/* rgb */ color: rgb(34, 139, 177);
/* oklch */ color: oklch(59.7% 0.107 227.9);

Tailwind

colors: {
  custom: {
    50: '#76adc8',
    500: '#228bb1',
    950: '#000000',
  },
}

SCSS

$custom: #228bb1;
$custom-light: #76adc8;
$custom-dark: #000000;

JSON

{
  "hex": "#228bb1",
  "rgb": {
    "r": 34,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 195.944,
    "s": 67.773,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59684,
    "c": 0.10664,
    "h": 227.9
  },
  "luminance": 0.2198
}

Semantic roles & 50–950 ramp

primary

#228BB1

secondary

#C98066

accent

#6B3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228BB1

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

Preview Lab → · Contrast checker → · Palette generator →