#4B78D8#4B78D8

#4B78D8 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.9% C 0.155 H 263.5°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#4B78D8
RGBrgb(75, 120, 216)
HSLhsl(221, 64%, 57%)
HSVhsv(221, 65%, 85%)
CMYKcmyk(65.3%, 44.4%, 0%, 15.3%)
CIE-LABlab(51.71, 15.20, -53.91)
CIE-LCHlch(51.71, 56.01, 285.74°)
OKLaboklab(58.88% -0.0176 -0.154)
OKLCHoklch(58.88% 0.155 263.5)
XYZxyz(22.0084, 19.8846, 67.6307)
Luminance0.1989 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B78D8 #D8AB4B
analogous
#4BBFD8 #4B78D8 #654BD8
triadic
#4B78D8 #D84B78 #78D84B
tetradic
#4B78D8 #D84BBF #D8AB4B #4BD865
square
#4B78D8 #D84BBF #D8AB4B #4BD865
split-complementary
#4B78D8 #D8654B #BFD84B
monochromatic
#1E418B #2958BD #4B78D8 #7D9EE3 #B0C3EE

Accessibility & contrast

On white

4.22
#4B78D8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.98
#4B78D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B78D8
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B78D8#FFFFFF#000000##000000
##4B78D81.004.224.984.98
#FFFFFF4.221.0021.0021.00
#0000004.9821.001.001.00
##0000004.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#4A82DC
Deuteranopia (green-blind)
#3175D6
Tritanopia (blue-blind)
#008E9D
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #4b78d8;
/* rgb */ color: rgb(75, 120, 216);
/* oklch */ color: oklch(58.9% 0.155 263.5);
Tailwind
colors: {
  custom: {
    50: '#8b9ee4',
    500: '#4b78d8',
    950: '#000000',
  },
}
SCSS
$custom: #4b78d8;
$custom-light: #8b9ee4;
$custom-dark: #000000;
JSON
{
  "hex": "#4b78d8",
  "rgb": {
    "r": 75,
    "g": 120,
    "b": 216
  },
  "hsl": {
    "h": 220.851,
    "s": 64.384,
    "l": 57.059
  },
  "oklch": {
    "l": 0.58877,
    "c": 0.15504,
    "h": 263.5
  },
  "luminance": 0.19887
}

Semantic roles & 50–950 ramp

primary
#4B78D8
secondary
#DCCAA3
accent
#B240E7
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #4B78D8

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

Preview Lab → · Contrast checker → · Palette generator →

#4B78D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva