#4063E6#4063E6

#4063E6 is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 55.2% C 0.202 H 267.8°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4063E6
RGB	rgb(64, 99, 230)
HSL	hsl(227, 77%, 58%)
HSV	hsv(227, 72%, 90%)
CMYK	cmyk(72.2%, 57%, 0%, 9.8%)
CIE-LAB	lab(46.61, 31.69, -70.07)
CIE-LCH	lch(46.61, 76.90, 294.34°)
OKLab	oklab(55.17% -0.0079 -0.2021)
OKLCH	oklch(55.17% 0.202 267.8)
XYZ	xyz(20.8542, 15.7246, 76.7837)
Luminance	0.1573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063E6 #E6C340

analogous

#40B6E6 #4063E6 #7040E6

triadic

#4063E6 #E64063 #63E640

tetradic

#4063E6 #E640B6 #E6C340 #40E670

square

#4063E6 #E640B6 #E6C340 #40E670

split-complementary

#4063E6 #E67040 #B6E640

monochromatic

#143098 #1B41CE #4063E6 #768FED #ACBBF4

Accessibility & contrast

On white

5.07

#4063E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#4063E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063E6

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063E6	#FFFFFF	#000000	##FFFFFF
##4063E6	1.00	5.07	4.15	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076EA

Deuteranopia (green-blind)

#0067E3

Tritanopia (blue-blind)

#00849B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4063e6;
/* rgb */ color: rgb(64, 99, 230);
/* oklch */ color: oklch(55.2% 0.202 267.8);

Tailwind

colors: {
  custom: {
    50: '#8a8fef',
    500: '#4063e6',
    950: '#000000',
  },
}

SCSS

$custom: #4063e6;
$custom-light: #8a8fef;
$custom-dark: #000000;

JSON

{
  "hex": "#4063e6",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 230
  },
  "hsl": {
    "h": 227.349,
    "s": 76.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.5517,
    "c": 0.20225,
    "h": 267.8
  },
  "luminance": 0.15727
}

Semantic roles & 50–950 ramp

primary

#4063E6

secondary

#E2D49F

accent

#CB34F3

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #4063E6

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

Preview Lab → · Contrast checker → · Palette generator →