#3C64BB#3C64BB

#3C64BB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.0% C 0.144 H 263.6°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#3C64BB
RGB	rgb(60, 100, 187)
HSL	hsl(221, 51%, 48%)
HSV	hsv(221, 68%, 73%)
CMYK	cmyk(67.9%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.74, 14.99, -50.08)
CIE-LCH	lch(43.74, 52.28, 286.67°)
OKLab	oklab(52.01% -0.0161 -0.1434)
OKLCH	oklch(52.01% 0.144 263.6)
XYZ	xyz(15.3871, 13.6613, 48.8301)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C64BB #BB933C

analogous

#3CA3BB #3C64BB #533CBB

triadic

#3C64BB #BB3C64 #64BB3C

tetradic

#3C64BB #BB3CA3 #BB933C #3CBB53

square

#3C64BB #BB3CA3 #BB933C #3CBB53

split-complementary

#3C64BB #BB533C #A3BB3C

monochromatic

#1E325E #2D4B8D #3C64BB #6687CE #95ABDD

Accessibility & contrast

On white

5.63

#3C64BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3C64BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C64BB

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C64BB	#FFFFFF	#000000	##FFFFFF
##3C64BB	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBE

Deuteranopia (green-blind)

#1E62B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3c64bb;
/* rgb */ color: rgb(60, 100, 187);
/* oklch */ color: oklch(52.0% 0.144 263.6);

Tailwind

colors: {
  custom: {
    50: '#808fd0',
    500: '#3c64bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c64bb;
$custom-light: #808fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c64bb",
  "rgb": {
    "r": 60,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 221.102,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52011,
    "c": 0.14426,
    "h": 263.6
  },
  "luminance": 0.13663
}

Semantic roles & 50–950 ramp

primary

#3C64BB

secondary

#C8B58B

accent

#AE4DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3C64BB

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

Preview Lab → · Contrast checker → · Palette generator →