#634DDF#634DDF

#634DDF is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 53.1% C 0.212 H 283.4°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#634DDF
RGBrgb(99, 77, 223)
HSLhsl(249, 70%, 59%)
HSVhsv(249, 65%, 87%)
CMYKcmyk(55.6%, 65.5%, 0%, 12.5%)
CIE-LABlab(43.19, 47.68, -71.58)
CIE-LCHlch(43.19, 86.01, 303.67°)
OKLaboklab(53.06% 0.0489 -0.2058)
OKLCHoklch(53.06% 0.212 283.4)
XYZxyz(21.1147, 13.2868, 71.2497)
Luminance0.1329 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634DDF #C9DF4D
analogous
#4D80DF #634DDF #AC4DDF
triadic
#634DDF #DF634D #4DDF63
tetradic
#634DDF #DF4D80 #C9DF4D #4DDFAC
square
#634DDF #DF4D80 #C9DF4D #4DDFAC
split-complementary
#634DDF #DFAC4D #80DF4D
monochromatic
#2E1B97 #3D24CA #634DDF #9081E8 #BEB5F2

Accessibility & contrast

On white

5.74
#634DDF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.66
#634DDF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634DDF
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634DDF#FFFFFF#000000##FFFFFF
##634DDF1.005.743.665.74
#FFFFFF5.741.0021.001.00
#0000003.6621.001.0021.00
##FFFFFF5.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006BE4
Deuteranopia (green-blind)
#0061DC
Tritanopia (blue-blind)
#26728F
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #634ddf;
/* rgb */ color: rgb(99, 77, 223);
/* oklch */ color: oklch(53.1% 0.212 283.4);
Tailwind
colors: {
  custom: {
    50: '#9b80ea',
    500: '#634ddf',
    950: '#000000',
  },
}
SCSS
$custom: #634ddf;
$custom-light: #9b80ea;
$custom-dark: #000000;
JSON
{
  "hex": "#634ddf",
  "rgb": {
    "r": 99,
    "g": 77,
    "b": 223
  },
  "hsl": {
    "h": 249.041,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.53058,
    "c": 0.21153,
    "h": 283.4
  },
  "luminance": 0.13288
}

Semantic roles & 50–950 ramp

primary
#634DDF
secondary
#D8E1A7
accent
#EC3BD2
background
#FAF7FE
surface
#F4EEFD
border
#CEC9D5
text
#0F0A16
muted
#7F7C84

Preview Lab

Preview with #634DDF

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

Preview Lab → · Contrast checker → · Palette generator →

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