#6463CB#6463CB

#6463CB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.4% C 0.157 H 280.4°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#6463CB
RGB	rgb(100, 99, 203)
HSL	hsl(241, 50%, 59%)
HSV	hsv(241, 51%, 80%)
CMYK	cmyk(50.7%, 51.2%, 0%, 20.4%)
CIE-LAB	lab(46.90, 28.70, -54.13)
CIE-LCH	lch(46.90, 61.27, 297.93°)
OKLab	oklab(55.36% 0.0283 -0.1544)
OKLCH	oklch(55.36% 0.157 280.4)
XYZ	xyz(20.4936, 15.9436, 58.4859)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6463CB #CACB63

analogous

#6396CB #6463CB #9863CB

triadic

#6463CB #CB6463 #63CB64

tetradic

#6463CB #CB6396 #CACB63 #63CB98

square

#6463CB #CB6396 #CACB63 #63CB98

split-complementary

#6463CB #CB9863 #96CB63

monochromatic

#2E2D87 #3D3CB5 #6463CB #9291DA #BFBFEA

Accessibility & contrast

On white

5.01

#6463CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#6463CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6463CB

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6463CB	#FFFFFF	#000000	##FFFFFF
##6463CB	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F73CF

Deuteranopia (green-blind)

#246BC9

Tritanopia (blue-blind)

#3B7A8D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6463cb;
/* rgb */ color: rgb(100, 99, 203);
/* oklch */ color: oklch(55.4% 0.157 280.4);

Tailwind

colors: {
  custom: {
    50: '#978fdb',
    500: '#6463cb',
    950: '#000000',
  },
}

SCSS

$custom: #6463cb;
$custom-light: #978fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#6463cb",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 203
  },
  "hsl": {
    "h": 240.577,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.55362,
    "c": 0.15695,
    "h": 280.4
  },
  "luminance": 0.15945
}

Semantic roles & 50–950 ramp

primary

#6463CB

secondary

#D9D9B1

accent

#DA4ED8

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6463CB

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

Preview Lab → · Contrast checker → · Palette generator →