#4063D0#4063D0

#4063D0 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.5% C 0.173 H 267.0°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4063D0
RGB	rgb(64, 99, 208)
HSL	hsl(225, 61%, 53%)
HSV	hsv(225, 69%, 82%)
CMYK	cmyk(69.2%, 52.4%, 0%, 18.4%)
CIE-LAB	lab(45.03, 23.83, -60.12)
CIE-LCH	lch(45.03, 64.67, 291.62°)
OKLab	oklab(53.49% -0.0091 -0.1728)
OKLCH	oklch(53.49% 0.173 267)
XYZ	xyz(17.9574, 14.5659, 61.5274)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063D0 #D0AD40

analogous

#40ABD0 #4063D0 #6540D0

triadic

#4063D0 #D04063 #63D040

tetradic

#4063D0 #D040AB #D0AD40 #40D065

square

#4063D0 #D040AB #D0AD40 #40D065

split-complementary

#4063D0 #D06540 #ABD040

monochromatic

#1E3478 #2A49A9 #4063D0 #718BDC #A2B3E8

Accessibility & contrast

On white

5.37

#4063D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#4063D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063D0

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063D0	#FFFFFF	#000000	##FFFFFF
##4063D0	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1971D4

Deuteranopia (green-blind)

#0064CE

Tritanopia (blue-blind)

#007D90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4063d0;
/* rgb */ color: rgb(64, 99, 208);
/* oklch */ color: oklch(53.5% 0.173 267.0);

Tailwind

colors: {
  custom: {
    50: '#868edf',
    500: '#4063d0',
    950: '#000000',
  },
}

SCSS

$custom: #4063d0;
$custom-light: #868edf;
$custom-dark: #000000;

JSON

{
  "hex": "#4063d0",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 208
  },
  "hsl": {
    "h": 225.417,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.53485,
    "c": 0.17307,
    "h": 267
  },
  "luminance": 0.14568
}

Semantic roles & 50–950 ramp

primary

#4063D0

secondary

#D5C697

accent

#BD44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4063D0

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

Preview Lab → · Contrast checker → · Palette generator →