#4063D4#4063D4

#4063D4 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.8% C 0.178 H 267.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4063D4
RGB	rgb(64, 99, 212)
HSL	hsl(226, 63%, 54%)
HSV	hsv(226, 70%, 83%)
CMYK	cmyk(69.8%, 53.3%, 0%, 16.9%)
CIE-LAB	lab(45.31, 25.26, -61.96)
CIE-LCH	lch(45.31, 66.91, 292.18°)
OKLab	oklab(53.78% -0.0088 -0.1782)
OKLCH	oklch(53.78% 0.178 267.2)
XYZ	xyz(18.4557, 14.7653, 64.1519)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063D4 #D4B140

analogous

#40ADD4 #4063D4 #6740D4

triadic

#4063D4 #D44063 #63D440

tetradic

#4063D4 #D440AD #D4B140 #40D467

square

#4063D4 #D440AD #D4B140 #40D467

split-complementary

#4063D4 #D46740 #ADD440

monochromatic

#1C337D #2748AF #4063D4 #728CDF #A4B5EA

Accessibility & contrast

On white

5.31

#4063D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#4063D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063D4

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063D4	#FFFFFF	#000000	##FFFFFF
##4063D4	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E72D8

Deuteranopia (green-blind)

#0065D2

Tritanopia (blue-blind)

#007E92

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4063d4;
/* rgb */ color: rgb(64, 99, 212);
/* oklch */ color: oklch(53.8% 0.178 267.2);

Tailwind

colors: {
  custom: {
    50: '#868ee2',
    500: '#4063d4',
    950: '#000000',
  },
}

SCSS

$custom: #4063d4;
$custom-light: #868ee2;
$custom-dark: #000000;

JSON

{
  "hex": "#4063d4",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 212
  },
  "hsl": {
    "h": 225.811,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.53783,
    "c": 0.17847,
    "h": 267.2
  },
  "luminance": 0.14767
}

Semantic roles & 50–950 ramp

primary

#4063D4

secondary

#D7C898

accent

#BF42E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #4063D4

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

Preview Lab → · Contrast checker → · Palette generator →