#4B78DA#4B78DA

#4B78DA is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.0% C 0.158 H 263.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#4B78DA
RGBrgb(75, 120, 218)
HSLhsl(221, 66%, 57%)
HSVhsv(221, 66%, 85%)
CMYKcmyk(65.6%, 45%, 0%, 14.5%)
CIE-LABlab(51.82, 15.89, -54.85)
CIE-LCHlch(51.82, 57.11, 286.16°)
OKLaboklab(59.01% -0.0173 -0.1568)
OKLCHoklch(59.01% 0.158 263.7)
XYZxyz(22.2686, 19.9886, 69.0007)
Luminance0.1999 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B78DA #DAAD4B
analogous
#4BC0DA #4B78DA #664BDA
triadic
#4B78DA #DA4B78 #78DA4B
tetradic
#4B78DA #DA4BC0 #DAAD4B #4BDA66
square
#4B78DA #DA4BC0 #DAAD4B #4BDA66
split-complementary
#4B78DA #DA664B #C0DA4B
monochromatic
#1D408E #2858C0 #4B78DA #7E9EE4 #B1C4EF

Accessibility & contrast

On white

4.20
#4B78DA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.00
#4B78DA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B78DA
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B78DA#FFFFFF#000000##000000
##4B78DA1.004.205.005.00
#FFFFFF4.201.0021.0021.00
#0000005.0021.001.001.00
##0000005.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#4883DE
Deuteranopia (green-blind)
#2E75D8
Tritanopia (blue-blind)
#008F9E
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #4b78da;
/* rgb */ color: rgb(75, 120, 218);
/* oklch */ color: oklch(59.0% 0.158 263.7);
Tailwind
colors: {
  custom: {
    50: '#8b9ee6',
    500: '#4b78da',
    950: '#000000',
  },
}
SCSS
$custom: #4b78da;
$custom-light: #8b9ee6;
$custom-dark: #000000;
JSON
{
  "hex": "#4b78da",
  "rgb": {
    "r": 75,
    "g": 120,
    "b": 218
  },
  "hsl": {
    "h": 221.119,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59006,
    "c": 0.15776,
    "h": 263.7
  },
  "luminance": 0.19991
}

Semantic roles & 50–950 ramp

primary
#4B78DA
secondary
#DDCBA4
accent
#B33FE9
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #4B78DA

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

Preview Lab → · Contrast checker → · Palette generator →

#4B78DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva