#2564A4#2564A4

#2564A4 is a mid, vivid cyan. Relative luminance 0.122; OKLCH L 49.6% C 0.121 H 251.9°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#2564A4
RGB	rgb(37, 100, 164)
HSL	hsl(210, 63%, 39%)
HSV	hsv(210, 77%, 64%)
CMYK	cmyk(77.4%, 39%, 0%, 35.7%)
CIE-LAB	lab(41.51, 3.07, -40.20)
CIE-LCH	lch(41.51, 40.32, 274.36°)
OKLab	oklab(49.6% -0.0374 -0.1147)
OKLCH	oklch(49.6% 0.121 251.9)
XYZ	xyz(12.0184, 12.1866, 36.8336)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2564A4 #A46525

analogous

#25A4A4 #2564A4 #2525A4

triadic

#2564A4 #A42564 #64A425

tetradic

#2564A4 #A425A4 #A46525 #25A425

square

#2564A4 #A425A4 #A46525 #25A425

split-complementary

#2564A4 #A42525 #A4A425

monochromatic

#0E2740 #1A4672 #2564A4 #3582D1 #67A1DD

Accessibility & contrast

On white

6.11

#2564A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#2564A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2564A4

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2564A4	#FFFFFF	#000000	##FFFFFF
##2564A4	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4668A7

Deuteranopia (green-blind)

#325DA3

Tritanopia (blue-blind)

#00737C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2564a4;
/* rgb */ color: rgb(37, 100, 164);
/* oklch */ color: oklch(49.6% 0.121 251.9);

Tailwind

colors: {
  custom: {
    50: '#728fbf',
    500: '#2564a4',
    950: '#000000',
  },
}

SCSS

$custom: #2564a4;
$custom-light: #728fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2564a4",
  "rgb": {
    "r": 37,
    "g": 100,
    "b": 164
  },
  "hsl": {
    "h": 210.236,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.496,
    "c": 0.12063,
    "h": 251.9
  },
  "luminance": 0.12188
}

Semantic roles & 50–950 ramp

primary

#2564A4

secondary

#C29362

accent

#9542E6

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2564A4

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

Preview Lab → · Contrast checker → · Palette generator →