#443BB5#443BB5

#443BB5 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.2% C 0.185 H 279.0°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX#443BB5
RGBrgb(68, 59, 181)
HSLhsl(244, 51%, 47%)
HSVhsv(244, 67%, 71%)
CMYKcmyk(62.4%, 67.4%, 0%, 29%)
CIE-LABlab(33.33, 40.16, -63.41)
CIE-LCHlch(33.33, 75.06, 302.35°)
OKLaboklab(44.22% 0.0288 -0.1828)
OKLCHoklch(44.22% 0.185 279)
XYZxyz(12.2857, 7.6921, 44.5444)
Luminance0.0769 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#443BB5 #ACB53B
analogous
#3B6FB5 #443BB5 #813BB5
triadic
#443BB5 #B5443B #3BB544
tetradic
#443BB5 #B53B6F #ACB53B #3BB581
square
#443BB5 #B53B6F #ACB53B #3BB581
split-complementary
#443BB5 #B5813B #6FB53B
monochromatic
#211D59 #332C87 #443BB5 #6962CC #9590DB

Accessibility & contrast

On white

8.27
#443BB5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#443BB5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443BB5
8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##443BB5#FFFFFF#000000##FFFFFF
##443BB51.008.272.548.27
#FFFFFF8.271.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053B9
Deuteranopia (green-blind)
#0049B3
Tritanopia (blue-blind)
#005B73
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #443bb5;
/* rgb */ color: rgb(68, 59, 181);
/* oklch */ color: oklch(44.2% 0.185 279.0);
Tailwind
colors: {
  custom: {
    50: '#8572cc',
    500: '#443bb5',
    950: '#000000',
  },
}
SCSS
$custom: #443bb5;
$custom-light: #8572cc;
$custom-dark: #000000;
JSON
{
  "hex": "#443bb5",
  "rgb": {
    "r": 68,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 244.426,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44222,
    "c": 0.18504,
    "h": 279
  },
  "luminance": 0.07693
}

Semantic roles & 50–950 ramp

primary
#443BB5
secondary
#C1C686
accent
#DA4DD0
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0813
muted
#7D7B82

Preview Lab

Preview with #443BB5

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

Preview Lab → · Contrast checker → · Palette generator →

#443BB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva