#3A63BD#3A63BD

#3A63BD is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.8% C 0.149 H 263.6°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3A63BD
RGB	rgb(58, 99, 189)
HSL	hsl(221, 53%, 48%)
HSV	hsv(221, 69%, 74%)
CMYK	cmyk(69.3%, 47.6%, 0%, 25.9%)
CIE-LAB	lab(43.50, 16.05, -51.64)
CIE-LCH	lch(43.50, 54.07, 287.26°)
OKLab	oklab(51.84% -0.0165 -0.148)
OKLCH	oklch(51.84% 0.149 263.6)
XYZ	xyz(15.3888, 13.4958, 49.9282)
Luminance	0.1350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A63BD #BD943A

analogous

#3AA4BD #3A63BD #523ABD

triadic

#3A63BD #BD3A63 #63BD3A

tetradic

#3A63BD #BD3AA4 #BD943A #3ABD52

square

#3A63BD #BD3AA4 #BD943A #3ABD52

split-complementary

#3A63BD #BD523A #A4BD3A

monochromatic

#1D325F #2C4A8E #3A63BD #6586D0 #93ABDE

Accessibility & contrast

On white

5.68

#3A63BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#3A63BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A63BD

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A63BD	#FFFFFF	#000000	##FFFFFF
##3A63BD	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DC0

Deuteranopia (green-blind)

#1461BB

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3a63bd;
/* rgb */ color: rgb(58, 99, 189);
/* oklch */ color: oklch(51.8% 0.149 263.6);

Tailwind

colors: {
  custom: {
    50: '#7f8ed1',
    500: '#3a63bd',
    950: '#000000',
  },
}

SCSS

$custom: #3a63bd;
$custom-light: #7f8ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a63bd",
  "rgb": {
    "r": 58,
    "g": 99,
    "b": 189
  },
  "hsl": {
    "h": 221.221,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51842,
    "c": 0.14892,
    "h": 263.6
  },
  "luminance": 0.13497
}

Semantic roles & 50–950 ramp

primary

#3A63BD

secondary

#C9B58A

accent

#AF4BDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3A63BD

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

Preview Lab → · Contrast checker → · Palette generator →