#6463EB#6463EB

#6463EB is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.6% C 0.200 H 278.4°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#6463EB
RGB	rgb(100, 99, 235)
HSL	hsl(240, 77%, 65%)
HSV	hsv(240, 58%, 92%)
CMYK	cmyk(57.4%, 57.9%, 0%, 7.8%)
CIE-LAB	lab(49.04, 38.75, -68.84)
CIE-LCH	lch(49.04, 78.99, 299.37°)
OKLab	oklab(57.64% 0.0293 -0.1976)
OKLCH	oklch(57.64% 0.2 278.4)
XYZ	xyz(24.7080, 17.6294, 80.6820)
Luminance	0.1763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6463EB #EAEB63

analogous

#63A6EB #6463EB #A863EB

triadic

#6463EB #EB6463 #63EB64

tetradic

#6463EB #EB63A6 #EAEB63 #63EBA8

square

#6463EB #EB63A6 #EAEB63 #63EBA8

split-complementary

#6463EB #EBA863 #A6EB63

monochromatic

#1918BC #2E2DE4 #6463EB #9A99F2 #D0CFF9

Accessibility & contrast

On white

4.64

#6463EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#6463EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6463EB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6463EB	#FFFFFF	#000000	##FFFFFF
##6463EB	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AF0

Deuteranopia (green-blind)

#006FE8

Tritanopia (blue-blind)

#06839D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6463eb;
/* rgb */ color: rgb(100, 99, 235);
/* oklch */ color: oklch(57.6% 0.200 278.4);

Tailwind

colors: {
  custom: {
    50: '#9c8ff2',
    500: '#6463eb',
    950: '#000000',
  },
}

SCSS

$custom: #6463eb;
$custom-light: #9c8ff2;
$custom-dark: #000000;

JSON

{
  "hex": "#6463eb",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 235
  },
  "hsl": {
    "h": 240.441,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.5764,
    "c": 0.19979,
    "h": 278.4
  },
  "luminance": 0.17631
}

Semantic roles & 50–950 ramp

primary

#6463EB

secondary

#EBECBE

accent

#DA0CD8

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6463EB

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

Preview Lab → · Contrast checker → · Palette generator →