#2291B3#2291B3

#2291B3 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.3% C 0.106 H 224.0°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#2291B3
RGB	rgb(34, 145, 179)
HSL	hsl(194, 68%, 42%)
HSV	hsv(194, 81%, 70%)
CMYK	cmyk(81%, 19%, 0%, 29.8%)
CIE-LAB	lab(55.93, -18.11, -26.32)
CIE-LCH	lch(55.93, 31.95, 235.47°)
OKLab	oklab(61.26% -0.0764 -0.0738)
OKLCH	oklch(61.26% 0.106 224)
XYZ	xyz(18.9184, 23.8432, 46.2442)
Luminance	0.2385 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2291B3 #B34422

analogous

#22B38D #2291B3 #2249B3

triadic

#2291B3 #B32291 #91B322

tetradic

#2291B3 #8D22B3 #B34422 #49B322

square

#2291B3 #8D22B3 #B34422 #49B322

split-complementary

#2291B3 #B32249 #B38D22

monochromatic

#0E3E4C #186780 #2291B3 #39B4D9 #6CC7E3

Accessibility & contrast

On white

3.64

#2291B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#2291B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2291B3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2291B3	#FFFFFF	#000000	##000000
##2291B3	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB5

Deuteranopia (green-blind)

#6B80B3

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2291b3;
/* rgb */ color: rgb(34, 145, 179);
/* oklch */ color: oklch(61.3% 0.106 224.0);

Tailwind

colors: {
  custom: {
    50: '#76b1c9',
    500: '#2291b3',
    950: '#000000',
  },
}

SCSS

$custom: #2291b3;
$custom-light: #76b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2291b3",
  "rgb": {
    "r": 34,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 194.069,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.61256,
    "c": 0.10627,
    "h": 224
  },
  "luminance": 0.23846
}

Semantic roles & 50–950 ramp

primary

#2291B3

secondary

#C97E68

accent

#663DEB

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2291B3

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

Preview Lab → · Contrast checker → · Palette generator →