#634FDC#634FDC

#634FDC is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.1% C 0.205 H 283.3°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#634FDC
RGB	rgb(99, 79, 220)
HSL	hsl(249, 67%, 59%)
HSV	hsv(249, 64%, 86%)
CMYK	cmyk(55%, 64.1%, 0%, 13.7%)
CIE-LAB	lab(43.38, 45.65, -69.57)
CIE-LCH	lch(43.38, 83.21, 303.27°)
OKLab	oklab(53.12% 0.0474 -0.1999)
OKLCH	oklch(53.12% 0.205 283.3)
XYZ	xyz(20.8559, 13.4107, 69.1858)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634FDC #C8DC4F

analogous

#4F81DC #634FDC #AA4FDC

triadic

#634FDC #DC634F #4FDC63

tetradic

#634FDC #DC4F81 #C8DC4F #4FDCAA

square

#634FDC #DC4F81 #C8DC4F #4FDCAA

split-complementary

#634FDC #DCAA4F #81DC4F

monochromatic

#2E1D93 #3E27C6 #634FDC #9082E6 #BDB5F0

Accessibility & contrast

On white

5.70

#634FDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#634FDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634FDC

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634FDC	#FFFFFF	#000000	##FFFFFF
##634FDC	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE0

Deuteranopia (green-blind)

#0062D9

Tritanopia (blue-blind)

#2A728E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #634fdc;
/* rgb */ color: rgb(99, 79, 220);
/* oklch */ color: oklch(53.1% 0.205 283.3);

Tailwind

colors: {
  custom: {
    50: '#9a81e8',
    500: '#634fdc',
    950: '#000000',
  },
}

SCSS

$custom: #634fdc;
$custom-light: #9a81e8;
$custom-dark: #000000;

JSON

{
  "hex": "#634fdc",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 220
  },
  "hsl": {
    "h": 248.511,
    "s": 66.825,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53117,
    "c": 0.20546,
    "h": 283.3
  },
  "luminance": 0.13412
}

Semantic roles & 50–950 ramp

primary

#634FDC

secondary

#D7DFA8

accent

#EA3ED1

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #634FDC

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

Preview Lab → · Contrast checker → · Palette generator →