#3A64BB#3A64BB

#3A64BB is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.145 H 263.0°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3A64BB
RGB	rgb(58, 100, 187)
HSL	hsl(220, 53%, 48%)
HSV	hsv(220, 69%, 73%)
CMYK	cmyk(69%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.65, 14.68, -50.23)
CIE-LCH	lch(43.65, 52.33, 286.29°)
OKLab	oklab(51.92% -0.0178 -0.1438)
OKLCH	oklch(51.92% 0.145 263)
XYZ	xyz(15.2686, 13.6002, 48.8245)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A64BB #BB913A

analogous

#3AA4BB #3A64BB #503ABB

triadic

#3A64BB #BB3A64 #64BB3A

tetradic

#3A64BB #BB3AA4 #BB913A #3ABB50

square

#3A64BB #BB3AA4 #BB913A #3ABB50

split-complementary

#3A64BB #BB503A #A4BB3A

monochromatic

#1D325E #2C4B8C #3A64BB #6386CF #92ABDD

Accessibility & contrast

On white

5.64

#3A64BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3A64BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A64BB

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A64BB	#FFFFFF	#000000	##FFFFFF
##3A64BB	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376DBE

Deuteranopia (green-blind)

#1C62B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3a64bb;
/* rgb */ color: rgb(58, 100, 187);
/* oklch */ color: oklch(51.9% 0.145 263.0);

Tailwind

colors: {
  custom: {
    50: '#7f8fd0',
    500: '#3a64bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a64bb;
$custom-light: #7f8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a64bb",
  "rgb": {
    "r": 58,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 220.465,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51918,
    "c": 0.14493,
    "h": 263
  },
  "luminance": 0.13602
}

Semantic roles & 50–950 ramp

primary

#3A64BB

secondary

#C8B488

accent

#AD4CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3A64BB

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

Preview Lab → · Contrast checker → · Palette generator →