#2564BD#2564BD

#2564BD is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.3% C 0.154 H 257.9°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#2564BD
RGB	rgb(37, 100, 189)
HSL	hsl(215, 67%, 44%)
HSV	hsv(215, 80%, 74%)
CMYK	cmyk(80.4%, 47.1%, 0%, 25.9%)
CIE-LAB	lab(43.03, 12.72, -52.43)
CIE-LCH	lch(43.03, 53.95, 283.64°)
OKLab	oklab(51.27% -0.0322 -0.1506)
OKLCH	oklch(51.27% 0.154 257.9)
XYZ	xyz(14.5020, 13.1800, 49.9139)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2564BD #BD7E25

analogous

#25B0BD #2564BD #3225BD

triadic

#2564BD #BD2564 #64BD25

tetradic

#2564BD #BD25B0 #BD7E25 #25BD32

square

#2564BD #BD25B0 #BD7E25 #25BD32

split-complementary

#2564BD #BD3225 #B0BD25

monochromatic

#112E57 #1B498A #2564BD #4583DB #78A5E5

Accessibility & contrast

On white

5.77

#2564BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#2564BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2564BD

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2564BD	#FFFFFF	#000000	##FFFFFF
##2564BD	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DC0

Deuteranopia (green-blind)

#025FBB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2564bd;
/* rgb */ color: rgb(37, 100, 189);
/* oklch */ color: oklch(51.3% 0.154 257.9);

Tailwind

colors: {
  custom: {
    50: '#788fd1',
    500: '#2564bd',
    950: '#000000',
  },
}

SCSS

$custom: #2564bd;
$custom-light: #788fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2564bd",
  "rgb": {
    "r": 37,
    "g": 100,
    "b": 189
  },
  "hsl": {
    "h": 215.132,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51273,
    "c": 0.15402,
    "h": 257.9
  },
  "luminance": 0.13182
}

Semantic roles & 50–950 ramp

primary

#2564BD

secondary

#CCA772

accent

#A33EEA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2564BD

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

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