#2566AF#2566AF

#2566AF is a mid, vivid cyan. Relative luminance 0.130; OKLCH L 50.8% C 0.133 H 254.0°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#2566AF
RGB	rgb(37, 102, 175)
HSL	hsl(212, 65%, 42%)
HSV	hsv(212, 79%, 69%)
CMYK	cmyk(78.9%, 41.7%, 0%, 31.4%)
CIE-LAB	lab(42.75, 6.03, -44.71)
CIE-LCH	lch(42.75, 45.12, 277.68°)
OKLab	oklab(50.77% -0.0366 -0.1279)
OKLCH	oklch(50.77% 0.133 254)
XYZ	xyz(13.2493, 12.9896, 42.3581)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2566AF #AF6E25

analogous

#25ABAF #2566AF #2925AF

triadic

#2566AF #AF2566 #66AF25

tetradic

#2566AF #AF25AB #AF6E25 #25AF29

square

#2566AF #AF25AB #AF6E25 #25AF29

split-complementary

#2566AF #AF2925 #ABAF25

monochromatic

#102B4A #1A497C #2566AF #3C84D6 #6EA4E0

Accessibility & contrast

On white

5.84

#2566AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#2566AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2566AF

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2566AF	#FFFFFF	#000000	##FFFFFF
##2566AF	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426CB2

Deuteranopia (green-blind)

#2A5FAE

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2566af;
/* rgb */ color: rgb(37, 102, 175);
/* oklch */ color: oklch(50.8% 0.133 254.0);

Tailwind

colors: {
  custom: {
    50: '#7591c7',
    500: '#2566af',
    950: '#000000',
  },
}

SCSS

$custom: #2566af;
$custom-light: #7591c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2566af",
  "rgb": {
    "r": 37,
    "g": 102,
    "b": 175
  },
  "hsl": {
    "h": 211.739,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50772,
    "c": 0.13302,
    "h": 254
  },
  "luminance": 0.12991
}

Semantic roles & 50–950 ramp

primary

#2566AF

secondary

#C79B69

accent

#9940E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2566AF

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

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