#4963CB#4963CB

#4963CB is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.6% C 0.164 H 269.6°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX#4963CB
RGBrgb(73, 99, 203)
HSLhsl(228, 56%, 54%)
HSVhsv(228, 64%, 80%)
CMYKcmyk(64%, 51.2%, 0%, 20.4%)
CIE-LABlab(45.15, 23.47, -57.03)
CIE-LCHlch(45.15, 61.67, 292.37°)
OKLaboklab(53.59% -0.0011 -0.1636)
OKLCHoklch(53.59% 0.164 269.6)
XYZxyz(17.9853, 14.6503, 58.3683)
Luminance0.1465 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4963CB #CBB149
analogous
#49A4CB #4963CB #7049CB
triadic
#4963CB #CB4963 #63CB49
tetradic
#4963CB #CB49A4 #CBB149 #49CB70
square
#4963CB #CB49A4 #CBB149 #49CB70
split-complementary
#4963CB #CB7049 #A4CB49
monochromatic
#223377 #3048A7 #4963CB #798CD9 #A8B5E6

Accessibility & contrast

On white

5.34
#4963CB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.93
#4963CB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4963CB
5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4963CB#FFFFFF#000000##FFFFFF
##4963CB1.005.343.935.34
#FFFFFF5.341.0021.001.00
#0000003.9321.001.0021.00
##FFFFFF5.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2671CF
Deuteranopia (green-blind)
#0065C9
Tritanopia (blue-blind)
#007B8D
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #4963cb;
/* rgb */ color: rgb(73, 99, 203);
/* oklch */ color: oklch(53.6% 0.164 269.6);
Tailwind
colors: {
  custom: {
    50: '#898fdb',
    500: '#4963cb',
    950: '#000000',
  },
}
SCSS
$custom: #4963cb;
$custom-light: #898fdb;
$custom-dark: #000000;
JSON
{
  "hex": "#4963cb",
  "rgb": {
    "r": 73,
    "g": 99,
    "b": 203
  },
  "hsl": {
    "h": 228,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5359,
    "c": 0.16357,
    "h": 269.6
  },
  "luminance": 0.14652
}

Semantic roles & 50–950 ramp

primary
#4963CB
secondary
#D4C89C
accent
#C149DF
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0D0C15
muted
#7D7D83

Preview Lab

Preview with #4963CB

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

Preview Lab → · Contrast checker → · Palette generator →

#4963CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva