#2566BE#2566BE

#2566BE is a mid, vivid cyan. Relative luminance 0.136; OKLCH L 51.8% C 0.153 H 257.3°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#2566BE
RGB	rgb(37, 102, 190)
HSL	hsl(215, 67%, 45%)
HSV	hsv(215, 81%, 75%)
CMYK	cmyk(80.5%, 46.3%, 0%, 25.5%)
CIE-LAB	lab(43.67, 11.82, -51.98)
CIE-LCH	lch(43.67, 53.31, 282.81°)
OKLab	oklab(51.79% -0.0336 -0.1493)
OKLCH	oklch(51.79% 0.153 257.3)
XYZ	xyz(14.8052, 13.6120, 50.5523)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2566BE #BE7D25

analogous

#25B3BE #2566BE #3125BE

triadic

#2566BE #BE2566 #66BE25

tetradic

#2566BE #BE25B3 #BE7D25 #25BE31

square

#2566BE #BE25B3 #BE7D25 #25BE31

split-complementary

#2566BE #BE3125 #B3BE25

monochromatic

#112F58 #1B4B8B #2566BE #4585DB #79A7E5

Accessibility & contrast

On white

5.64

#2566BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#2566BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2566BE

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2566BE	#FFFFFF	#000000	##FFFFFF
##2566BE	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366FC1

Deuteranopia (green-blind)

#0C61BC

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2566be;
/* rgb */ color: rgb(37, 102, 190);
/* oklch */ color: oklch(51.8% 0.153 257.3);

Tailwind

colors: {
  custom: {
    50: '#7891d2',
    500: '#2566be',
    950: '#000000',
  },
}

SCSS

$custom: #2566be;
$custom-light: #7891d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2566be",
  "rgb": {
    "r": 37,
    "g": 102,
    "b": 190
  },
  "hsl": {
    "h": 214.51,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51786,
    "c": 0.153,
    "h": 257.3
  },
  "luminance": 0.13614
}

Semantic roles & 50–950 ramp

primary

#2566BE

secondary

#CDA672

accent

#A13EEA

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0A0C14

muted

#7C7D83

Preview Lab

Preview with #2566BE

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

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