#383CB9#383CB9

#383CB9 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.192 H 273.8°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX#383CB9
RGBrgb(56, 60, 185)
HSLhsl(238, 54%, 47%)
HSVhsv(238, 70%, 73%)
CMYKcmyk(69.7%, 67.6%, 0%, 27.5%)
CIE-LABlab(33.08, 39.29, -66.23)
CIE-LCHlch(33.08, 77.00, 300.68°)
OKLaboklab(43.93% 0.0128 -0.1913)
OKLCHoklch(43.93% 0.192 273.8)
XYZxyz(12.0008, 7.5741, 46.7190)
Luminance0.0757 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#383CB9 #B9B538
analogous
#387CB9 #383CB9 #7538B9
triadic
#383CB9 #B9383C #3CB938
tetradic
#383CB9 #B9387C #B9B538 #38B975
square
#383CB9 #B9387C #B9B538 #38B975
split-complementary
#383CB9 #B97538 #7CB938
monochromatic
#1C1E5B #2A2D8A #383CB9 #5F63CF #8E91DD

Accessibility & contrast

On white

8.35
#383CB9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.51
#383CB9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CB9
8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##383CB9#FFFFFF#000000##FFFFFF
##383CB91.008.352.518.35
#FFFFFF8.351.0021.001.00
#0000002.5121.001.0021.00
##FFFFFF8.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0054BD
Deuteranopia (green-blind)
#0048B7
Tritanopia (blue-blind)
#005D75
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #383cb9;
/* rgb */ color: rgb(56, 60, 185);
/* oklch */ color: oklch(43.9% 0.192 273.8);
Tailwind
colors: {
  custom: {
    50: '#8072cf',
    500: '#383cb9',
    950: '#000000',
  },
}
SCSS
$custom: #383cb9;
$custom-light: #8072cf;
$custom-dark: #000000;
JSON
{
  "hex": "#383cb9",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 185
  },
  "hsl": {
    "h": 238.14,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43932,
    "c": 0.19178,
    "h": 273.8
  },
  "luminance": 0.07575
}

Semantic roles & 50–950 ramp

primary
#383CB9
secondary
#C8C685
accent
#D84BDD
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0814
muted
#7D7B82

Preview Lab

Preview with #383CB9

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

Preview Lab → · Contrast checker → · Palette generator →

#383CB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva