#2271BB#2271BB

#2271BB is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.0% C 0.138 H 251.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#2271BB
RGB	rgb(34, 113, 187)
HSL	hsl(209, 69%, 43%)
HSV	hsv(209, 82%, 73%)
CMYK	cmyk(81.8%, 39.6%, 0%, 26.7%)
CIE-LAB	lab(46.63, 3.41, -45.52)
CIE-LCH	lch(46.63, 45.65, 274.28°)
OKLab	oklab(54% -0.0447 -0.1301)
OKLCH	oklch(54% 0.138 251)
XYZ	xyz(15.5310, 15.7363, 49.2229)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2271BB #BB6C22

analogous

#22BBB8 #2271BB #2224BB

triadic

#2271BB #BB2271 #71BB22

tetradic

#2271BB #B822BB #BB6C22 #24BB22

square

#2271BB #B822BB #BB6C22 #24BB22

split-complementary

#2271BB #BB2224 #BBB822

monochromatic

#0F3253 #195287 #2271BB #3E90DC #72AEE5

Accessibility & contrast

On white

5.06

#2271BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#2271BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2271BB

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2271BB	#FFFFFF	#000000	##FFFFFF
##2271BB	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BE

Deuteranopia (green-blind)

#3468BA

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2271bb;
/* rgb */ color: rgb(34, 113, 187);
/* oklch */ color: oklch(54.0% 0.138 251.0);

Tailwind

colors: {
  custom: {
    50: '#7699d0',
    500: '#2271bb',
    950: '#000000',
  },
}

SCSS

$custom: #2271bb;
$custom-light: #7699d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2271bb",
  "rgb": {
    "r": 34,
    "g": 113,
    "b": 187
  },
  "hsl": {
    "h": 209.02,
    "s": 69.231,
    "l": 43.333
  },
  "oklch": {
    "l": 0.54003,
    "c": 0.13755,
    "h": 251
  },
  "luminance": 0.15738
}

Semantic roles & 50–950 ramp

primary

#2271BB

secondary

#CC9B6D

accent

#913CEC

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2271BB

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

Preview Lab → · Contrast checker → · Palette generator →