#4063CA#4063CA

#4063CA is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.165 H 266.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4063CA
RGB	rgb(64, 99, 202)
HSL	hsl(225, 57%, 52%)
HSV	hsv(225, 68%, 79%)
CMYK	cmyk(68.3%, 51%, 0%, 20.8%)
CIE-LAB	lab(44.63, 21.67, -57.33)
CIE-LCH	lch(44.63, 61.29, 290.71°)
OKLab	oklab(53.05% -0.0097 -0.1646)
OKLCH	oklch(53.05% 0.165 266.6)
XYZ	xyz(17.2332, 14.2762, 57.7131)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063CA #CAA740

analogous

#40A8CA #4063CA #6240CA

triadic

#4063CA #CA4063 #63CA40

tetradic

#4063CA #CA40A8 #CAA740 #40CA62

square

#4063CA #CA40A8 #CAA740 #40CA62

split-complementary

#4063CA #CA6240 #A8CA40

monochromatic

#1F3470 #2C4AA0 #4063CA #708AD7 #A0B1E5

Accessibility & contrast

On white

5.45

#4063CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4063CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063CA

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063CA	#FFFFFF	#000000	##FFFFFF
##4063CA	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2570CE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4063ca;
/* rgb */ color: rgb(64, 99, 202);
/* oklch */ color: oklch(53.0% 0.165 266.6);

Tailwind

colors: {
  custom: {
    50: '#848edb',
    500: '#4063ca',
    950: '#000000',
  },
}

SCSS

$custom: #4063ca;
$custom-light: #848edb;
$custom-dark: #000000;

JSON

{
  "hex": "#4063ca",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 202
  },
  "hsl": {
    "h": 224.783,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53047,
    "c": 0.16492,
    "h": 266.6
  },
  "luminance": 0.14278
}

Semantic roles & 50–950 ramp

primary

#4063CA

secondary

#D1C295

accent

#B948E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4063CA

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

Preview Lab → · Contrast checker → · Palette generator →