#2291B5#2291B5

#2291B5 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.108 H 225.4°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#2291B5
RGB	rgb(34, 145, 181)
HSL	hsl(195, 68%, 42%)
HSV	hsv(195, 81%, 71%)
CMYK	cmyk(81.2%, 19.9%, 0%, 29%)
CIE-LAB	lab(56.01, -17.42, -27.33)
CIE-LCH	lch(56.01, 32.41, 237.49°)
OKLab	oklab(61.35% -0.0756 -0.0767)
OKLCH	oklch(61.35% 0.108 225.4)
XYZ	xyz(19.1221, 23.9247, 47.3172)
Luminance	0.2393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2291B5 #B54622

analogous

#22B590 #2291B5 #2247B5

triadic

#2291B5 #B52291 #91B522

tetradic

#2291B5 #9022B5 #B54622 #47B522

square

#2291B5 #9022B5 #B54622 #47B522

split-complementary

#2291B5 #B52247 #B59022

monochromatic

#0F3E4E #186881 #2291B5 #3AB3DA #6EC7E4

Accessibility & contrast

On white

3.63

#2291B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#2291B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2291B5

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2291B5	#FFFFFF	#000000	##000000
##2291B5	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8EB7

Deuteranopia (green-blind)

#6A80B5

Tritanopia (blue-blind)

#009C9D

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2291b5;
/* rgb */ color: rgb(34, 145, 181);
/* oklch */ color: oklch(61.3% 0.108 225.4);

Tailwind

colors: {
  custom: {
    50: '#77b1cb',
    500: '#2291b5',
    950: '#000000',
  },
}

SCSS

$custom: #2291b5;
$custom-light: #77b1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2291b5",
  "rgb": {
    "r": 34,
    "g": 145,
    "b": 181
  },
  "hsl": {
    "h": 194.694,
    "s": 68.372,
    "l": 42.157
  },
  "oklch": {
    "l": 0.61349,
    "c": 0.10777,
    "h": 225.4
  },
  "luminance": 0.23927
}

Semantic roles & 50–950 ramp

primary

#2291B5

secondary

#CA8169

accent

#673DEB

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2291B5

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

Preview Lab → · Contrast checker → · Palette generator →