#4440BB#4440BB

#4440BB is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.187 H 277.4°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX#4440BB
RGBrgb(68, 64, 187)
HSLhsl(242, 49%, 49%)
HSVhsv(242, 66%, 73%)
CMYKcmyk(63.6%, 65.8%, 0%, 26.7%)
CIE-LABlab(34.97, 39.13, -64.28)
CIE-LCHlch(34.97, 75.26, 301.33°)
OKLaboklab(45.57% 0.0241 -0.1853)
OKLCHoklch(45.57% 0.187 277.4)
XYZxyz(13.1840, 8.4825, 47.9466)
Luminance0.0848 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4440BB #B7BB40
analogous
#407ABB #4440BB #8240BB
triadic
#4440BB #BB4440 #40BB44
tetradic
#4440BB #BB407A #B7BB40 #40BB82
square
#4440BB #BB407A #B7BB40 #40BB82
split-complementary
#4440BB #BB8240 #7ABB40
monochromatic
#232160 #33308D #4440BB #6F6CCD #9B99DC

Accessibility & contrast

On white

7.79
#4440BB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#4440BB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4440BB
7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4440BB#FFFFFF#000000##FFFFFF
##4440BB1.007.792.707.79
#FFFFFF7.791.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057BF
Deuteranopia (green-blind)
#004DB9
Tritanopia (blue-blind)
#006078
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #4440bb;
/* rgb */ color: rgb(68, 64, 187);
/* oklch */ color: oklch(45.6% 0.187 277.4);
Tailwind
colors: {
  custom: {
    50: '#8675d0',
    500: '#4440bb',
    950: '#000000',
  },
}
SCSS
$custom: #4440bb;
$custom-light: #8675d0;
$custom-dark: #000000;
JSON
{
  "hex": "#4440bb",
  "rgb": {
    "r": 68,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 241.951,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45567,
    "c": 0.18688,
    "h": 277.4
  },
  "luminance": 0.08484
}

Semantic roles & 50–950 ramp

primary
#4440BB
secondary
#C6C88F
accent
#D94FD4
background
#F8F7FC
surface
#F0EDF9
border
#CBC8D2
text
#0C0814
muted
#7D7B82

Preview Lab

Preview with #4440BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4440BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva