#634CD8#634CD8

#634CD8 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.3% C 0.204 H 284.4°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#634CD8
RGBrgb(99, 76, 216)
HSLhsl(250, 64%, 57%)
HSVhsv(250, 65%, 85%)
CMYKcmyk(54.2%, 64.8%, 0%, 15.3%)
CIE-LABlab(42.43, 46.15, -68.83)
CIE-LCHlch(42.43, 82.87, 303.84°)
OKLaboklab(52.33% 0.0506 -0.1977)
OKLCHoklch(52.33% 0.204 284.4)
XYZxyz(20.1209, 12.7782, 66.3586)
Luminance0.1278 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634CD8 #C1D84C
analogous
#4C7BD8 #634CD8 #A94CD8
triadic
#634CD8 #D8634C #4CD863
tetradic
#634CD8 #D84C7B #C1D84C #4CD8A9
square
#634CD8 #D84C7B #C1D84C #4CD8A9
split-complementary
#634CD8 #D8A94C #7BD84C
monochromatic
#301E8B #4229BE #634CD8 #8F7EE3 #BBB1EE

Accessibility & contrast

On white

5.91
#634CD8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.56
#634CD8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634CD8
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634CD8#FFFFFF#000000##FFFFFF
##634CD81.005.913.565.91
#FFFFFF5.911.0021.001.00
#0000003.5621.001.0021.00
##FFFFFF5.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0068DC
Deuteranopia (green-blind)
#0060D5
Tritanopia (blue-blind)
#2F6F8B
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #634cd8;
/* rgb */ color: rgb(99, 76, 216);
/* oklch */ color: oklch(52.3% 0.204 284.4);
Tailwind
colors: {
  custom: {
    50: '#9a7fe5',
    500: '#634cd8',
    950: '#000000',
  },
}
SCSS
$custom: #634cd8;
$custom-light: #9a7fe5;
$custom-dark: #000000;
JSON
{
  "hex": "#634cd8",
  "rgb": {
    "r": 99,
    "g": 76,
    "b": 216
  },
  "hsl": {
    "h": 249.857,
    "s": 64.22,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52331,
    "c": 0.20411,
    "h": 284.4
  },
  "luminance": 0.12779
}

Semantic roles & 50–950 ramp

primary
#634CD8
secondary
#D3DCA4
accent
#E741CC
background
#FAF7FE
surface
#F3EEFC
border
#CDC9D5
text
#0F0A16
muted
#7F7C84

Preview Lab

Preview with #634CD8

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

Preview Lab → · Contrast checker → · Palette generator →

#634CD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva