#2291AA#2291AA

#2291AA is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.9% C 0.100 H 217.2°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#2291AA
RGB	rgb(34, 145, 170)
HSL	hsl(191, 67%, 40%)
HSV	hsv(191, 80%, 67%)
CMYK	cmyk(80%, 14.7%, 0%, 33.3%)
CIE-LAB	lab(55.57, -21.18, -21.73)
CIE-LCH	lch(55.57, 30.34, 225.73°)
OKLab	oklab(60.85% -0.08 -0.0607)
OKLCH	oklch(60.85% 0.1 217.2)
XYZ	xyz(18.0377, 23.4909, 41.6059)
Luminance	0.2349 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2291AA #AA3B22

analogous

#22AA7F #2291AA #224DAA

triadic

#2291AA #AA2291 #91AA22

tetradic

#2291AA #7F22AA #AA3B22 #4DAA22

square

#2291AA #7F22AA #AA3B22 #4DAA22

split-complementary

#2291AA #AA224D #AA7F22

monochromatic

#0E3A44 #186677 #2291AA #33B8D6 #66CAE0

Accessibility & contrast

On white

3.69

#2291AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#2291AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2291AA

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2291AA	#FFFFFF	#000000	##000000
##2291AA	1.00	3.69	5.70	5.70
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAB

Deuteranopia (green-blind)

#6F7FAA

Tritanopia (blue-blind)

#009A99

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #2291aa;
/* rgb */ color: rgb(34, 145, 170);
/* oklch */ color: oklch(60.9% 0.100 217.2);

Tailwind

colors: {
  custom: {
    50: '#75b1c3',
    500: '#2291aa',
    950: '#000000',
  },
}

SCSS

$custom: #2291aa;
$custom-light: #75b1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2291aa",
  "rgb": {
    "r": 34,
    "g": 145,
    "b": 170
  },
  "hsl": {
    "h": 191.029,
    "s": 66.667,
    "l": 40
  },
  "oklch": {
    "l": 0.60852,
    "c": 0.10042,
    "h": 217.2
  },
  "luminance": 0.23493
}

Semantic roles & 50–950 ramp

primary

#2291AA

secondary

#C67462

accent

#5E3EEA

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2291AA

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

Preview Lab → · Contrast checker → · Palette generator →