#6563EE#6563EE

#6563EE is a mid, highly saturated blue. Relative luminance 0.179; OKLCH L 57.9% C 0.203 H 278.6°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#6563EE
RGB	rgb(101, 99, 238)
HSL	hsl(241, 80%, 66%)
HSV	hsv(241, 58%, 93%)
CMYK	cmyk(57.6%, 58.4%, 0%, 6.7%)
CIE-LAB	lab(49.33, 39.87, -70.06)
CIE-LCH	lch(49.33, 80.61, 299.64°)
OKLab	oklab(57.94% 0.0304 -0.2012)
OKLCH	oklch(57.94% 0.203 278.6)
XYZ	xyz(25.2564, 17.8616, 82.9891)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563EE #ECEE63

analogous

#63A6EE #6563EE #AA63EE

triadic

#6563EE #EE6563 #63EE65

tetradic

#6563EE #EE63A6 #ECEE63 #63EEAA

square

#6563EE #EE63A6 #ECEE63 #63EEAA

split-complementary

#6563EE #EEAA63 #A6EE63

monochromatic

#1815C2 #2F2CE8 #6563EE #9B9AF4 #D2D1FA

Accessibility & contrast

On white

4.59

#6563EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#6563EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6563EE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563EE	#FFFFFF	#000000	##FFFFFF
##6563EE	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BF3

Deuteranopia (green-blind)

#0070EB

Tritanopia (blue-blind)

#03849F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6563ee;
/* rgb */ color: rgb(101, 99, 238);
/* oklch */ color: oklch(57.9% 0.203 278.6);

Tailwind

colors: {
  custom: {
    50: '#9d8ff4',
    500: '#6563ee',
    950: '#000000',
  },
}

SCSS

$custom: #6563ee;
$custom-light: #9d8ff4;
$custom-dark: #000000;

JSON

{
  "hex": "#6563ee",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 238
  },
  "hsl": {
    "h": 240.863,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.57936,
    "c": 0.20347,
    "h": 278.6
  },
  "luminance": 0.17863
}

Semantic roles & 50–950 ramp

primary

#6563EE

secondary

#EDEDC0

accent

#DD09DA

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6563EE

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

Preview Lab → · Contrast checker → · Palette generator →