#3B63BF#3B63BF

#3B63BF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.151 H 264.2°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B63BF
RGB	rgb(59, 99, 191)
HSL	hsl(222, 53%, 49%)
HSV	hsv(222, 69%, 75%)
CMYK	cmyk(69.1%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(43.67, 16.93, -52.52)
CIE-LCH	lch(43.67, 55.18, 287.87°)
OKLab	oklab(52.03% -0.0154 -0.1506)
OKLCH	oklch(52.03% 0.151 264.2)
XYZ	xyz(15.6661, 13.6135, 51.0822)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B63BF #BF973B

analogous

#3BA5BF #3B63BF #553BBF

triadic

#3B63BF #BF3B63 #63BF3B

tetradic

#3B63BF #BF3BA5 #BF973B #3BBF55

square

#3B63BF #BF3BA5 #BF973B #3BBF55

split-complementary

#3B63BF #BF553B #A5BF3B

monochromatic

#1E3361 #2D4B90 #3B63BF #6787D0 #96ACDF

Accessibility & contrast

On white

5.64

#3B63BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3B63BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B63BF

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B63BF	#FFFFFF	#000000	##FFFFFF
##3B63BF	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)

#316EC2

Deuteranopia (green-blind)

#0F62BD

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3b63bf;
/* rgb */ color: rgb(59, 99, 191);
/* oklch */ color: oklch(52.0% 0.151 264.2);

Tailwind

colors: {
  custom: {
    50: '#808ed3',
    500: '#3b63bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b63bf;
$custom-light: #808ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b63bf",
  "rgb": {
    "r": 59,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 221.818,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52027,
    "c": 0.15136,
    "h": 264.2
  },
  "luminance": 0.13615
}

Semantic roles & 50–950 ramp

primary

#3B63BF

secondary

#CAB78C

accent

#B04CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3B63BF

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

Preview Lab → · Contrast checker → · Palette generator →