#3C64AB#3C64AB

#3C64AB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.122 H 261.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3C64AB
RGB	rgb(60, 100, 171)
HSL	hsl(218, 48%, 45%)
HSV	hsv(218, 65%, 67%)
CMYK	cmyk(64.9%, 41.5%, 0%, 32.9%)
CIE-LAB	lab(42.78, 9.22, -42.25)
CIE-LCH	lch(42.78, 43.25, 282.30°)
OKLab	oklab(50.96% -0.019 -0.1204)
OKLCH	oklch(50.96% 0.122 261)
XYZ	xyz(13.7687, 13.0140, 40.3065)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C64AB #AB833C

analogous

#3C9CAB #3C64AB #4B3CAB

triadic

#3C64AB #AB3C64 #64AB3C

tetradic

#3C64AB #AB3C9C #AB833C #3CAB4B

square

#3C64AB #AB3C9C #AB833C #3CAB4B

split-complementary

#3C64AB #AB4B3C #9CAB3C

monochromatic

#1C2F50 #2C4A7E #3C64AB #5E83C6 #8BA6D6

Accessibility & contrast

On white

5.83

#3C64AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3C64AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C64AB

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C64AB	#FFFFFF	#000000	##FFFFFF
##3C64AB	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446BAE

Deuteranopia (green-blind)

#3360AA

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3c64ab;
/* rgb */ color: rgb(60, 100, 171);
/* oklch */ color: oklch(51.0% 0.122 261.0);

Tailwind

colors: {
  custom: {
    50: '#7d8fc4',
    500: '#3c64ab',
    950: '#000000',
  },
}

SCSS

$custom: #3c64ab;
$custom-light: #7d8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3c64ab",
  "rgb": {
    "r": 60,
    "g": 100,
    "b": 171
  },
  "hsl": {
    "h": 218.378,
    "s": 48.052,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50963,
    "c": 0.12185,
    "h": 261
  },
  "luminance": 0.13015
}

Semantic roles & 50–950 ramp

primary

#3C64AB

secondary

#C1AA82

accent

#A750D8

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3C64AB

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

Preview Lab → · Contrast checker → · Palette generator →