#634BDD#634BDD

#634BDD is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.6% C 0.211 H 283.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX#634BDD
RGBrgb(99, 75, 221)
HSLhsl(250, 68%, 58%)
HSVhsv(250, 66%, 87%)
CMYKcmyk(55.2%, 66.1%, 0%, 13.3%)
CIE-LABlab(42.62, 48.20, -71.38)
CIE-LCHlch(42.62, 86.13, 304.03°)
OKLaboklab(52.59% 0.0509 -0.2052)
OKLCHoklch(52.59% 0.211 283.9)
XYZxyz(20.7088, 12.9040, 69.7921)
Luminance0.1290 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634BDD #C5DD4B
analogous
#4B7CDD #634BDD #AC4BDD
triadic
#634BDD #DD634B #4BDD63
tetradic
#634BDD #DD4B7C #C5DD4B #4BDDAC
square
#634BDD #DD4B7C #C5DD4B #4BDDAC
split-complementary
#634BDD #DDAC4B #7CDD4B
monochromatic
#2F1C92 #4025C5 #634BDD #907EE7 #BCB2F0

Accessibility & contrast

On white

5.86
#634BDD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.58
#634BDD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634BDD
5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634BDD#FFFFFF#000000##FFFFFF
##634BDD1.005.863.585.86
#FFFFFF5.861.0021.001.00
#0000003.5821.001.0021.00
##FFFFFF5.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0069E2
Deuteranopia (green-blind)
#0060DA
Tritanopia (blue-blind)
#29708E
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #634bdd;
/* rgb */ color: rgb(99, 75, 221);
/* oklch */ color: oklch(52.6% 0.211 283.9);
Tailwind
colors: {
  custom: {
    50: '#9b7fe9',
    500: '#634bdd',
    950: '#000000',
  },
}
SCSS
$custom: #634bdd;
$custom-light: #9b7fe9;
$custom-dark: #000000;
JSON
{
  "hex": "#634bdd",
  "rgb": {
    "r": 99,
    "g": 75,
    "b": 221
  },
  "hsl": {
    "h": 249.863,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52593,
    "c": 0.21143,
    "h": 283.9
  },
  "luminance": 0.12905
}

Semantic roles & 50–950 ramp

primary
#634BDD
secondary
#D5DFA5
accent
#EB3DCE
background
#FAF7FE
surface
#F4EEFD
border
#CEC9D5
text
#0F0A16
muted
#7F7C84

Preview Lab

Preview with #634BDD

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

Preview Lab → · Contrast checker → · Palette generator →

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