#634EF1#634EF1

#634EF1 is a mid, highly saturated blue. Relative luminance 0.145; OKLCH L 54.7% C 0.232 H 281.3°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#634EF1
RGBrgb(99, 78, 241)
HSLhsl(248, 85%, 63%)
HSVhsv(248, 68%, 95%)
CMYKcmyk(58.9%, 67.6%, 0%, 5.5%)
CIE-LABlab(44.87, 52.51, -79.01)
CIE-LCHlch(44.87, 94.87, 303.61°)
OKLaboklab(54.72% 0.0456 -0.2276)
OKLCHoklch(54.72% 0.232 281.3)
XYZxyz(23.7422, 14.4506, 84.7402)
Luminance0.1445 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634EF1 #DCF14E
analogous
#4E8BF1 #634EF1 #B44EF1
triadic
#634EF1 #F1634E #4EF163
tetradic
#634EF1 #F14E8B #DCF14E #4EF1B4
square
#634EF1 #F14E8B #DCF14E #4EF1B4
split-complementary
#634EF1 #F1B44E #8BF14E
monochromatic
#240EB6 #3115ED #634EF1 #9587F5 #C7BFFA

Accessibility & contrast

On white

5.40
#634EF1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.89
#634EF1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634EF1
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634EF1#FFFFFF#000000##FFFFFF
##634EF11.005.403.895.40
#FFFFFF5.401.0021.001.00
#0000003.8921.001.0021.00
##FFFFFF5.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0070F6
Deuteranopia (green-blind)
#0064EE
Tritanopia (blue-blind)
#007999
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #634ef1;
/* rgb */ color: rgb(99, 78, 241);
/* oklch */ color: oklch(54.7% 0.232 281.3);
Tailwind
colors: {
  custom: {
    50: '#9d81f7',
    500: '#634ef1',
    950: '#000000',
  },
}
SCSS
$custom: #634ef1;
$custom-light: #9d81f7;
$custom-dark: #000000;
JSON
{
  "hex": "#634ef1",
  "rgb": {
    "r": 99,
    "g": 78,
    "b": 241
  },
  "hsl": {
    "h": 247.73,
    "s": 85.34,
    "l": 62.549
  },
  "oklch": {
    "l": 0.54724,
    "c": 0.23215,
    "h": 281.3
  },
  "luminance": 0.14452
}

Semantic roles & 50–950 ramp

primary
#634EF1
secondary
#E3EBB0
accent
#E204C5
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100A17
muted
#7F7C85

Preview Lab

Preview with #634EF1

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

Preview Lab → · Contrast checker → · Palette generator →

#634EF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva