#3B63DA#3B63DA

#3B63DA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.0% C 0.188 H 266.1°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3B63DA
RGB	rgb(59, 99, 218)
HSL	hsl(225, 68%, 54%)
HSV	hsv(225, 73%, 85%)
CMYK	cmyk(72.9%, 54.6%, 0%, 14.5%)
CIE-LAB	lab(45.52, 26.77, -65.06)
CIE-LCH	lch(45.52, 70.35, 292.37°)
OKLab	oklab(54.01% -0.0127 -0.1875)
OKLCH	oklch(54.01% 0.188 266.1)
XYZ	xyz(18.9159, 14.9134, 68.1977)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B63DA #DAB23B

analogous

#3BB2DA #3B63DA #633BDA

triadic

#3B63DA #DA3B63 #63DA3B

tetradic

#3B63DA #DA3BB2 #DAB23B #3BDA63

square

#3B63DA #DA3BB2 #DAB23B #3BDA63

split-complementary

#3B63DA #DA633B #B2DA3B

monochromatic

#193382 #2247B6 #3B63DA #6E8CE4 #A2B5ED

Accessibility & contrast

On white

5.27

#3B63DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#3B63DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B63DA

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B63DA	#FFFFFF	#000000	##FFFFFF
##3B63DA	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DE

Deuteranopia (green-blind)

#0065D8

Tritanopia (blue-blind)

#008095

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3b63da;
/* rgb */ color: rgb(59, 99, 218);
/* oklch */ color: oklch(54.0% 0.188 266.1);

Tailwind

colors: {
  custom: {
    50: '#868ee6',
    500: '#3b63da',
    950: '#000000',
  },
}

SCSS

$custom: #3b63da;
$custom-light: #868ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b63da",
  "rgb": {
    "r": 59,
    "g": 99,
    "b": 218
  },
  "hsl": {
    "h": 224.906,
    "s": 68.24,
    "l": 54.314
  },
  "oklch": {
    "l": 0.54011,
    "c": 0.18789,
    "h": 266.1
  },
  "luminance": 0.14915
}

Semantic roles & 50–950 ramp

primary

#3B63DA

secondary

#DAC997

accent

#BF3DEB

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3B63DA

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

Preview Lab → · Contrast checker → · Palette generator →