#2564B6#2564B6

#2564B6 is a mid, vivid cyan. Relative luminance 0.129; OKLCH L 50.8% C 0.145 H 256.6°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#2564B6
RGB	rgb(37, 100, 182)
HSL	hsl(214, 66%, 43%)
HSV	hsv(214, 80%, 71%)
CMYK	cmyk(79.7%, 45.1%, 0%, 28.6%)
CIE-LAB	lab(42.59, 10.01, -49.07)
CIE-LCH	lch(42.59, 50.08, 281.53°)
OKLab	oklab(50.79% -0.0334 -0.1407)
OKLCH	oklch(50.79% 0.145 256.6)
XYZ	xyz(13.7605, 12.8834, 46.0084)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2564B6 #B67725

analogous

#25ACB6 #2564B6 #2E25B6

triadic

#2564B6 #B62564 #64B625

tetradic

#2564B6 #B625AC #B67725 #25B62E

square

#2564B6 #B625AC #B67725 #25B62E

split-complementary

#2564B6 #B62E25 #ACB625

monochromatic

#102C50 #1B4883 #2564B6 #4082D8 #73A3E3

Accessibility & contrast

On white

5.87

#2564B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2564B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2564B6

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2564B6	#FFFFFF	#000000	##FFFFFF
##2564B6	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396CB9

Deuteranopia (green-blind)

#195EB4

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2564b6;
/* rgb */ color: rgb(37, 100, 182);
/* oklch */ color: oklch(50.8% 0.145 256.6);

Tailwind

colors: {
  custom: {
    50: '#768fcc',
    500: '#2564b6',
    950: '#000000',
  },
}

SCSS

$custom: #2564b6;
$custom-light: #768fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2564b6",
  "rgb": {
    "r": 37,
    "g": 100,
    "b": 182
  },
  "hsl": {
    "h": 213.931,
    "s": 66.21,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50785,
    "c": 0.14465,
    "h": 256.6
  },
  "luminance": 0.12885
}

Semantic roles & 50–950 ramp

primary

#2564B6

secondary

#CAA16D

accent

#9F3FE9

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2564B6

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

Preview Lab → · Contrast checker → · Palette generator →