#4479DD#4479DD

#4479DD is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.1% C 0.163 H 261.7°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#4479DD
RGBrgb(68, 121, 221)
HSLhsl(219, 69%, 57%)
HSVhsv(219, 69%, 87%)
CMYKcmyk(69.2%, 45.2%, 0%, 13.3%)
CIE-LABlab(51.97, 15.24, -56.32)
CIE-LCHlch(51.97, 58.34, 285.14°)
OKLaboklab(59.1% -0.0234 -0.1612)
OKLCHoklch(59.1% 0.163 261.7)
XYZxyz(22.2678, 20.1218, 71.1030)
Luminance0.2012 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4479DD #DDA844
analogous
#44C5DD #4479DD #5C44DD
triadic
#4479DD #DD4479 #79DD44
tetradic
#4479DD #DD44C5 #DDA844 #44DD5C
square
#4479DD #DD44C5 #DDA844 #44DD5C
split-complementary
#4479DD #DD5C44 #C5DD44
monochromatic
#1A428D #235AC1 #4479DD #789EE6 #ACC3F0

Accessibility & contrast

On white

4.18
#4479DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.02
#4479DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4479DD
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4479DD#FFFFFF#000000##000000
##4479DD1.004.185.025.02
#FFFFFF4.181.0021.0021.00
#0000005.0221.001.001.00
##0000005.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#4683E1
Deuteranopia (green-blind)
#2875DB
Tritanopia (blue-blind)
#0090A0
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #4479dd;
/* rgb */ color: rgb(68, 121, 221);
/* oklch */ color: oklch(59.1% 0.163 261.7);
Tailwind
colors: {
  custom: {
    50: '#899fe8',
    500: '#4479dd',
    950: '#000000',
  },
}
SCSS
$custom: #4479dd;
$custom-light: #899fe8;
$custom-dark: #000000;
JSON
{
  "hex": "#4479dd",
  "rgb": {
    "r": 68,
    "g": 121,
    "b": 221
  },
  "hsl": {
    "h": 219.216,
    "s": 69.231,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59097,
    "c": 0.16292,
    "h": 261.7
  },
  "luminance": 0.20124
}

Semantic roles & 50–950 ramp

primary
#4479DD
secondary
#DEC89F
accent
#AF3CEC
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #4479DD

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

Preview Lab → · Contrast checker → · Palette generator →

#4479DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva