#634FD5#634FD5

#634FD5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.6% C 0.197 H 284.1°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#634FD5
RGB	rgb(99, 79, 213)
HSL	hsl(249, 61%, 57%)
HSV	hsv(249, 63%, 84%)
CMYK	cmyk(53.5%, 62.9%, 0%, 16.5%)
CIE-LAB	lab(42.83, 43.54, -66.45)
CIE-LCH	lch(42.83, 79.44, 303.23°)
OKLab	oklab(52.55% 0.0481 -0.1907)
OKLCH	oklch(52.55% 0.197 284.1)
XYZ	xyz(19.9482, 13.0476, 64.4052)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634FD5 #C1D54F

analogous

#4F7ED5 #634FD5 #A64FD5

triadic

#634FD5 #D5634F #4FD563

tetradic

#634FD5 #D54F7E #C1D54F #4FD5A6

square

#634FD5 #D54F7E #C1D54F #4FD5A6

split-complementary

#634FD5 #D5A64F #7ED54F

monochromatic

#302189 #422CBA #634FD5 #8F80E1 #BBB2ED

Accessibility & contrast

On white

5.82

#634FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#634FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634FD5

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634FD5	#FFFFFF	#000000	##FFFFFF
##634FD5	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D9

Deuteranopia (green-blind)

#0061D2

Tritanopia (blue-blind)

#32708B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #634fd5;
/* rgb */ color: rgb(99, 79, 213);
/* oklch */ color: oklch(52.6% 0.197 284.1);

Tailwind

colors: {
  custom: {
    50: '#9981e3',
    500: '#634fd5',
    950: '#000000',
  },
}

SCSS

$custom: #634fd5;
$custom-light: #9981e3;
$custom-dark: #000000;

JSON

{
  "hex": "#634fd5",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 213
  },
  "hsl": {
    "h": 248.955,
    "s": 61.468,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52555,
    "c": 0.1967,
    "h": 284.1
  },
  "luminance": 0.13049
}

Semantic roles & 50–950 ramp

primary

#634FD5

secondary

#D3DBA5

accent

#E543CC

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #634FD5

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

Preview Lab → · Contrast checker → · Palette generator →