#4578DB#4578DB

#4578DB is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.8% C 0.161 H 262.1°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#4578DB
RGBrgb(69, 120, 219)
HSLhsl(220, 68%, 56%)
HSVhsv(220, 68%, 86%)
CMYKcmyk(68.5%, 45.2%, 0%, 14.1%)
CIE-LABlab(51.62, 15.30, -55.75)
CIE-LCHlch(51.62, 57.81, 285.34°)
OKLaboklab(58.8% -0.022 -0.1596)
OKLCHoklch(58.8% 0.161 262.1)
XYZxyz(21.9524, 19.8104, 69.6710)
Luminance0.1981 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4578DB #DBA845
analogous
#45C3DB #4578DB #5D45DB
triadic
#4578DB #DB4578 #78DB45
tetradic
#4578DB #DB45C3 #DBA845 #45DB5D
square
#4578DB #DB45C3 #DBA845 #45DB5D
split-complementary
#4578DB #DB5D45 #C3DB45
monochromatic
#1B418B #2559BE #4578DB #789DE5 #ACC2EF

Accessibility & contrast

On white

4.23
#4578DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.96
#4578DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4578DB
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4578DB#FFFFFF#000000##000000
##4578DB1.004.234.964.96
#FFFFFF4.231.0021.0021.00
#0000004.9621.001.001.00
##0000004.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4682DF
Deuteranopia (green-blind)
#2975D9
Tritanopia (blue-blind)
#008F9F
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #4578db;
/* rgb */ color: rgb(69, 120, 219);
/* oklch */ color: oklch(58.8% 0.161 262.1);
Tailwind
colors: {
  custom: {
    50: '#899ee7',
    500: '#4578db',
    950: '#000000',
  },
}
SCSS
$custom: #4578db;
$custom-light: #899ee7;
$custom-dark: #000000;
JSON
{
  "hex": "#4578db",
  "rgb": {
    "r": 69,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 219.6,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.58798,
    "c": 0.16108,
    "h": 262.1
  },
  "luminance": 0.19813
}

Semantic roles & 50–950 ramp

primary
#4578DB
secondary
#DDC89F
accent
#B03DEA
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #4578DB

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

Preview Lab → · Contrast checker → · Palette generator →

#4578DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva