#3A63BF#3A63BF

#3A63BF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.152 H 263.9°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3A63BF
RGB	rgb(58, 99, 191)
HSL	hsl(222, 53%, 49%)
HSV	hsv(222, 70%, 75%)
CMYK	cmyk(69.6%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(43.63, 16.78, -52.59)
CIE-LCH	lch(43.63, 55.21, 287.69°)
OKLab	oklab(51.98% -0.0162 -0.1508)
OKLCH	oklch(51.98% 0.152 263.9)
XYZ	xyz(15.6074, 13.5832, 51.0794)
Luminance	0.1358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A63BF #BF963A

analogous

#3AA6BF #3A63BF #543ABF

triadic

#3A63BF #BF3A63 #63BF3A

tetradic

#3A63BF #BF3AA6 #BF963A #3ABF54

square

#3A63BF #BF3AA6 #BF963A #3ABF54

split-complementary

#3A63BF #BF543A #A6BF3A

monochromatic

#1D3261 #2C4B90 #3A63BF #6687D0 #95ACDF

Accessibility & contrast

On white

5.65

#3A63BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3A63BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A63BF

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A63BF	#FFFFFF	#000000	##FFFFFF
##3A63BF	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)

#316EC2

Deuteranopia (green-blind)

#0D61BD

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3a63bf;
/* rgb */ color: rgb(58, 99, 191);
/* oklch */ color: oklch(52.0% 0.152 263.9);

Tailwind

colors: {
  custom: {
    50: '#808ed3',
    500: '#3a63bf',
    950: '#000000',
  },
}

SCSS

$custom: #3a63bf;
$custom-light: #808ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a63bf",
  "rgb": {
    "r": 58,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 221.504,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51981,
    "c": 0.15168,
    "h": 263.9
  },
  "luminance": 0.13585
}

Semantic roles & 50–950 ramp

primary

#3A63BF

secondary

#CAB78B

accent

#B04BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3A63BF

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

Preview Lab → · Contrast checker → · Palette generator →