#3A63D3#3A63D3

#3A63D3 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.4% C 0.179 H 265.5°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3A63D3
RGB	rgb(58, 99, 211)
HSL	hsl(224, 63%, 53%)
HSV	hsv(224, 73%, 83%)
CMYK	cmyk(72.5%, 53.1%, 0%, 17.3%)
CIE-LAB	lab(44.98, 24.09, -61.94)
CIE-LCH	lch(44.98, 66.46, 291.26°)
OKLab	oklab(53.44% -0.014 -0.1783)
OKLCH	oklch(53.44% 0.179 265.5)
XYZ	xyz(17.9605, 14.5245, 63.4723)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A63D3 #D3AA3A

analogous

#3AAFD3 #3A63D3 #5E3AD3

triadic

#3A63D3 #D33A63 #63D33A

tetradic

#3A63D3 #D33AAF #D3AA3A #3AD35E

square

#3A63D3 #D33AAF #D3AA3A #3AD35E

split-complementary

#3A63D3 #D35E3A #AFD33A

monochromatic

#1B3478 #2649AA #3A63D3 #6C8BDE #9EB2E9

Accessibility & contrast

On white

5.38

#3A63D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3A63D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A63D3

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A63D3	#FFFFFF	#000000	##FFFFFF
##3A63D3	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E72D7

Deuteranopia (green-blind)

#0064D1

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3a63d3;
/* rgb */ color: rgb(58, 99, 211);
/* oklch */ color: oklch(53.4% 0.179 265.5);

Tailwind

colors: {
  custom: {
    50: '#848ee1',
    500: '#3a63d3',
    950: '#000000',
  },
}

SCSS

$custom: #3a63d3;
$custom-light: #848ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a63d3",
  "rgb": {
    "r": 58,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 223.922,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53435,
    "c": 0.17886,
    "h": 265.5
  },
  "luminance": 0.14526
}

Semantic roles & 50–950 ramp

primary

#3A63D3

secondary

#D6C493

accent

#BA41E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3A63D3

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

Preview Lab → · Contrast checker → · Palette generator →