#2291B4#2291B4

#2291B4 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.107 H 224.7°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#2291B4
RGB	rgb(34, 145, 180)
HSL	hsl(194, 68%, 42%)
HSV	hsv(194, 81%, 71%)
CMYK	cmyk(81.1%, 19.4%, 0%, 29.4%)
CIE-LAB	lab(55.97, -17.77, -26.82)
CIE-LCH	lch(55.97, 32.17, 236.48°)
OKLab	oklab(61.3% -0.076 -0.0753)
OKLCH	oklch(61.3% 0.107 224.7)
XYZ	xyz(19.0199, 23.8838, 46.7788)
Luminance	0.2389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2291B4 #B44522

analogous

#22B48E #2291B4 #2248B4

triadic

#2291B4 #B42291 #91B422

tetradic

#2291B4 #8E22B4 #B44522 #48B422

square

#2291B4 #8E22B4 #B44522 #48B422

split-complementary

#2291B4 #B42248 #B48E22

monochromatic

#0F3E4D #186881 #2291B4 #3AB3DA #6DC7E3

Accessibility & contrast

On white

3.63

#2291B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#2291B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2291B4

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2291B4	#FFFFFF	#000000	##000000
##2291B4	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB6

Deuteranopia (green-blind)

#6A80B4

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2291b4;
/* rgb */ color: rgb(34, 145, 180);
/* oklch */ color: oklch(61.3% 0.107 224.7);

Tailwind

colors: {
  custom: {
    50: '#76b1ca',
    500: '#2291b4',
    950: '#000000',
  },
}

SCSS

$custom: #2291b4;
$custom-light: #76b1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2291b4",
  "rgb": {
    "r": 34,
    "g": 145,
    "b": 180
  },
  "hsl": {
    "h": 194.384,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.61302,
    "c": 0.10701,
    "h": 224.7
  },
  "luminance": 0.23886
}

Semantic roles & 50–950 ramp

primary

#2291B4

secondary

#CA8068

accent

#673DEB

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2291B4

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

Preview Lab → · Contrast checker → · Palette generator →