#634FD7#634FD7

#634FD7 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.7% C 0.199 H 283.9°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#634FD7
RGB	rgb(99, 79, 215)
HSL	hsl(249, 63%, 58%)
HSV	hsv(249, 63%, 84%)
CMYK	cmyk(54%, 63.3%, 0%, 15.7%)
CIE-LAB	lab(42.99, 44.14, -67.34)
CIE-LCH	lch(42.99, 80.52, 303.24°)
OKLab	oklab(52.71% 0.0479 -0.1934)
OKLCH	oklch(52.71% 0.199 283.9)
XYZ	xyz(20.2036, 13.1497, 65.7504)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634FD7 #C3D74F

analogous

#4F7FD7 #634FD7 #A74FD7

triadic

#634FD7 #D7634F #4FD763

tetradic

#634FD7 #D74F7F #C3D74F #4FD7A7

square

#634FD7 #D74F7F #C3D74F #4FD7A7

split-complementary

#634FD7 #D7A74F #7FD74F

monochromatic

#30208C #412BBE #634FD7 #8F81E2 #BBB3EE

Accessibility & contrast

On white

5.78

#634FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#634FD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634FD7

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634FD7	#FFFFFF	#000000	##FFFFFF
##634FD7	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADB

Deuteranopia (green-blind)

#0061D4

Tritanopia (blue-blind)

#30708C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #634fd7;
/* rgb */ color: rgb(99, 79, 215);
/* oklch */ color: oklch(52.7% 0.199 283.9);

Tailwind

colors: {
  custom: {
    50: '#9981e4',
    500: '#634fd7',
    950: '#000000',
  },
}

SCSS

$custom: #634fd7;
$custom-light: #9981e4;
$custom-dark: #000000;

JSON

{
  "hex": "#634fd7",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 215
  },
  "hsl": {
    "h": 248.824,
    "s": 62.963,
    "l": 57.647
  },
  "oklch": {
    "l": 0.52714,
    "c": 0.19921,
    "h": 283.9
  },
  "luminance": 0.13151
}

Semantic roles & 50–950 ramp

primary

#634FD7

secondary

#D4DCA6

accent

#E642CE

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #634FD7

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

Preview Lab → · Contrast checker → · Palette generator →