#3B64BA#3B64BA

#3B64BA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.143 H 263.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B64BA
RGB	rgb(59, 100, 186)
HSL	hsl(221, 52%, 48%)
HSV	hsv(221, 68%, 73%)
CMYK	cmyk(68.3%, 46.2%, 0%, 27.1%)
CIE-LAB	lab(43.64, 14.47, -49.67)
CIE-LCH	lch(43.64, 51.74, 286.24°)
OKLab	oklab(51.9% -0.0171 -0.1422)
OKLCH	oklch(51.9% 0.143 263.1)
XYZ	xyz(15.2206, 13.5878, 48.2654)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B64BA #BA913B

analogous

#3BA3BA #3B64BA #513BBA

triadic

#3B64BA #BA3B64 #64BA3B

tetradic

#3B64BA #BA3BA3 #BA913B #3BBA51

square

#3B64BA #BA3BA3 #BA913B #3BBA51

split-complementary

#3B64BA #BA513B #A3BA3B

monochromatic

#1E325D #2C4B8C #3B64BA #6486CE #93ABDD

Accessibility & contrast

On white

5.65

#3B64BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3B64BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B64BA

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B64BA	#FFFFFF	#000000	##FFFFFF
##3B64BA	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386DBD

Deuteranopia (green-blind)

#1F62B8

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3b64ba;
/* rgb */ color: rgb(59, 100, 186);
/* oklch */ color: oklch(51.9% 0.143 263.1);

Tailwind

colors: {
  custom: {
    50: '#7f8fcf',
    500: '#3b64ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b64ba;
$custom-light: #7f8fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b64ba",
  "rgb": {
    "r": 59,
    "g": 100,
    "b": 186
  },
  "hsl": {
    "h": 220.63,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51896,
    "c": 0.1432,
    "h": 263.1
  },
  "luminance": 0.13589
}

Semantic roles & 50–950 ramp

primary

#3B64BA

secondary

#C8B489

accent

#AD4DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3B64BA

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

Preview Lab → · Contrast checker → · Palette generator →