#634EF7#634EF7

#634EF7 is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 55.2% C 0.239 H 280.8°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX#634EF7
RGBrgb(99, 78, 247)
HSLhsl(247, 91%, 64%)
HSVhsv(247, 68%, 97%)
CMYKcmyk(59.9%, 68.4%, 0%, 3.1%)
CIE-LABlab(45.38, 54.30, -81.55)
CIE-LCHlch(45.38, 97.97, 303.66°)
OKLaboklab(55.24% 0.0447 -0.235)
OKLCHoklch(55.24% 0.239 280.8)
XYZxyz(24.6532, 14.8150, 89.5381)
Luminance0.1482 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634EF7 #E2F74E
analogous
#4E8DF7 #634EF7 #B84EF7
triadic
#634EF7 #F7634E #4EF763
tetradic
#634EF7 #F74E8D #E2F74E #4EF7B8
square
#634EF7 #F74E8D #E2F74E #4EF7B8
split-complementary
#634EF7 #F7B84E #8DF74E
monochromatic
#2009C2 #2F13F4 #634EF7 #9789FA #CAC3FC

Accessibility & contrast

On white

5.30
#634EF7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.96
#634EF7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634EF7
5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634EF7#FFFFFF#000000##FFFFFF
##634EF71.005.303.965.30
#FFFFFF5.301.0021.001.00
#0000003.9621.001.0021.00
##FFFFFF5.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0071FC
Deuteranopia (green-blind)
#0065F4
Tritanopia (blue-blind)
#007B9D
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #634ef7;
/* rgb */ color: rgb(99, 78, 247);
/* oklch */ color: oklch(55.2% 0.239 280.8);
Tailwind
colors: {
  custom: {
    50: '#9e82fb',
    500: '#634ef7',
    950: '#000000',
  },
}
SCSS
$custom: #634ef7;
$custom-light: #9e82fb;
$custom-dark: #000000;
JSON
{
  "hex": "#634ef7",
  "rgb": {
    "r": 99,
    "g": 78,
    "b": 247
  },
  "hsl": {
    "h": 247.456,
    "s": 91.351,
    "l": 63.725
  },
  "oklch": {
    "l": 0.55243,
    "c": 0.23925,
    "h": 280.8
  },
  "luminance": 0.14817
}

Semantic roles & 50–950 ramp

primary
#634EF7
secondary
#E7EEB3
accent
#E600C9
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100A18
muted
#7F7C86

Preview Lab

Preview with #634EF7

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

Preview Lab → · Contrast checker → · Palette generator →

#634EF7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva