#2291B2#2291B2

#2291B2 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.106 H 223.3°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#2291B2
RGB	rgb(34, 145, 178)
HSL	hsl(194, 68%, 42%)
HSV	hsv(194, 81%, 70%)
CMYK	cmyk(80.9%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(55.89, -18.46, -25.81)
CIE-LCH	lch(55.89, 31.73, 234.43°)
OKLab	oklab(61.21% -0.0768 -0.0724)
OKLCH	oklch(61.21% 0.106 223.3)
XYZ	xyz(18.8176, 23.8029, 45.7135)
Luminance	0.2381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2291B2 #B24322

analogous

#22B28B #2291B2 #2249B2

triadic

#2291B2 #B22291 #91B222

tetradic

#2291B2 #8B22B2 #B24322 #49B222

square

#2291B2 #8B22B2 #B24322 #49B222

split-complementary

#2291B2 #B22249 #B28B22

monochromatic

#0E3D4B #18677F #2291B2 #38B4D9 #6CC8E3

Accessibility & contrast

On white

3.65

#2291B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#2291B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2291B2

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2291B2	#FFFFFF	#000000	##000000
##2291B2	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB4

Deuteranopia (green-blind)

#6B80B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2291b2;
/* rgb */ color: rgb(34, 145, 178);
/* oklch */ color: oklch(61.2% 0.106 223.3);

Tailwind

colors: {
  custom: {
    50: '#76b1c9',
    500: '#2291b2',
    950: '#000000',
  },
}

SCSS

$custom: #2291b2;
$custom-light: #76b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2291b2",
  "rgb": {
    "r": 34,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 193.75,
    "s": 67.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.6121,
    "c": 0.10554,
    "h": 223.3
  },
  "luminance": 0.23805
}

Semantic roles & 50–950 ramp

primary

#2291B2

secondary

#C97D67

accent

#653DEB

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2291B2

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

Preview Lab → · Contrast checker → · Palette generator →