#3B64BC#3B64BC

#3B64BC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.0% C 0.146 H 263.4°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3B64BC
RGB	rgb(59, 100, 188)
HSL	hsl(221, 52%, 48%)
HSV	hsv(221, 69%, 74%)
CMYK	cmyk(68.6%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(43.76, 15.20, -50.64)
CIE-LCH	lch(43.76, 52.87, 286.71°)
OKLab	oklab(52.03% -0.0168 -0.145)
OKLCH	oklch(52.03% 0.146 263.4)
XYZ	xyz(15.4347, 13.6734, 49.3930)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B64BC #BC933B

analogous

#3BA4BC #3B64BC #523BBC

triadic

#3B64BC #BC3B64 #64BC3B

tetradic

#3B64BC #BC3BA4 #BC933B #3BBC52

square

#3B64BC #BC3BA4 #BC933B #3BBC52

split-complementary

#3B64BC #BC523B #A4BC3B

monochromatic

#1E325F #2C4B8D #3B64BC #6587CF #94ABDD

Accessibility & contrast

On white

5.62

#3B64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3B64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B64BC

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B64BC	#FFFFFF	#000000	##FFFFFF
##3B64BC	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376EBF

Deuteranopia (green-blind)

#1B62BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3b64bc;
/* rgb */ color: rgb(59, 100, 188);
/* oklch */ color: oklch(52.0% 0.146 263.4);

Tailwind

colors: {
  custom: {
    50: '#808fd1',
    500: '#3b64bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b64bc;
$custom-light: #808fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b64bc",
  "rgb": {
    "r": 59,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 220.93,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52033,
    "c": 0.14599,
    "h": 263.4
  },
  "luminance": 0.13675
}

Semantic roles & 50–950 ramp

primary

#3B64BC

secondary

#C9B58A

accent

#AE4CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3B64BC

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

Preview Lab → · Contrast checker → · Palette generator →