#2564A6#2564A6

#2564A6 is a mid, vivid cyan. Relative luminance 0.123; OKLCH L 49.7% C 0.123 H 252.6°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#2564A6
RGB	rgb(37, 100, 166)
HSL	hsl(211, 64%, 40%)
HSV	hsv(211, 78%, 65%)
CMYK	cmyk(77.7%, 39.8%, 0%, 34.9%)
CIE-LAB	lab(41.63, 3.84, -41.20)
CIE-LCH	lch(41.63, 41.38, 275.32°)
OKLab	oklab(49.73% -0.0369 -0.1176)
OKLCH	oklch(49.73% 0.123 252.6)
XYZ	xyz(12.2005, 12.2594, 37.7923)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2564A6 #A66725

analogous

#25A4A6 #2564A6 #2725A6

triadic

#2564A6 #A62564 #64A625

tetradic

#2564A6 #A625A4 #A66725 #25A627

square

#2564A6 #A625A4 #A66725 #25A627

split-complementary

#2564A6 #A62725 #A4A625

monochromatic

#0F2842 #1A4674 #2564A6 #3682D2 #68A1DD

Accessibility & contrast

On white

6.08

#2564A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#2564A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2564A6

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2564A6	#FFFFFF	#000000	##FFFFFF
##2564A6	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4569A9

Deuteranopia (green-blind)

#305DA5

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2564a6;
/* rgb */ color: rgb(37, 100, 166);
/* oklch */ color: oklch(49.7% 0.123 252.6);

Tailwind

colors: {
  custom: {
    50: '#738fc1',
    500: '#2564a6',
    950: '#000000',
  },
}

SCSS

$custom: #2564a6;
$custom-light: #738fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2564a6",
  "rgb": {
    "r": 37,
    "g": 100,
    "b": 166
  },
  "hsl": {
    "h": 210.698,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49726,
    "c": 0.12328,
    "h": 252.6
  },
  "luminance": 0.12261
}

Semantic roles & 50–950 ramp

primary

#2564A6

secondary

#C39564

accent

#9641E7

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2564A6

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

Preview Lab → · Contrast checker → · Palette generator →