#2564A9#2564A9

#2564A9 is a mid, vivid cyan. Relative luminance 0.124; OKLCH L 49.9% C 0.127 H 253.5°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#2564A9
RGB	rgb(37, 100, 169)
HSL	hsl(211, 64%, 40%)
HSV	hsv(211, 78%, 66%)
CMYK	cmyk(78.1%, 40.8%, 0%, 33.7%)
CIE-LAB	lab(41.80, 4.99, -42.69)
CIE-LCH	lch(41.80, 42.99, 276.67°)
OKLab	oklab(49.92% -0.0362 -0.122)
OKLCH	oklch(49.92% 0.127 253.5)
XYZ	xyz(12.4789, 12.3708, 39.2585)
Luminance	0.1237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2564A9 #A96A25

analogous

#25A6A9 #2564A9 #2825A9

triadic

#2564A9 #A92564 #64A925

tetradic

#2564A9 #A925A6 #A96A25 #25A928

square

#2564A9 #A925A6 #A96A25 #25A928

split-complementary

#2564A9 #A92825 #A6A925

monochromatic

#0F2945 #1A4677 #2564A9 #3882D3 #6AA2DE

Accessibility & contrast

On white

6.04

#2564A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#2564A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2564A9

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2564A9	#FFFFFF	#000000	##FFFFFF
##2564A9	1.00	6.04	3.47	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4369AC

Deuteranopia (green-blind)

#2D5DA8

Tritanopia (blue-blind)

#00747E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #2564a9;
/* rgb */ color: rgb(37, 100, 169);
/* oklch */ color: oklch(49.9% 0.127 253.5);

Tailwind

colors: {
  custom: {
    50: '#738fc3',
    500: '#2564a9',
    950: '#000000',
  },
}

SCSS

$custom: #2564a9;
$custom-light: #738fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2564a9",
  "rgb": {
    "r": 37,
    "g": 100,
    "b": 169
  },
  "hsl": {
    "h": 211.364,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49919,
    "c": 0.12727,
    "h": 253.5
  },
  "luminance": 0.12372
}

Semantic roles & 50–950 ramp

primary

#2564A9

secondary

#C49765

accent

#9841E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2564A9

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

Preview Lab → · Contrast checker → · Palette generator →