#383DA4#383DA4

#383DA4 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.163 H 274.8°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX#383DA4
RGBrgb(56, 61, 164)
HSLhsl(237, 49%, 43%)
HSVhsv(237, 66%, 64%)
CMYKcmyk(65.9%, 62.8%, 0%, 35.7%)
CIE-LABlab(31.48, 31.37, -56.32)
CIE-LCHlch(31.48, 64.47, 299.12°)
OKLaboklab(42.2% 0.0137 -0.1623)
OKLCHoklch(42.2% 0.163 274.8)
XYZxyz(9.9983, 6.8577, 35.9115)
Luminance0.0686 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#383DA4 #A49F38
analogous
#3873A4 #383DA4 #6938A4
triadic
#383DA4 #A4383D #3DA438
tetradic
#383DA4 #A43873 #A49F38 #38A469
square
#383DA4 #A43873 #A49F38 #38A469
split-complementary
#383DA4 #A46938 #73A438
monochromatic
#191B49 #282C76 #383DA4 #545AC5 #8286D4

Accessibility & contrast

On white

8.85
#383DA4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#383DA4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DA4
8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##383DA4#FFFFFF#000000##FFFFFF
##383DA41.008.852.378.85
#FFFFFF8.851.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FA7
Deuteranopia (green-blind)
#0045A2
Tritanopia (blue-blind)
#00576A
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #383da4;
/* rgb */ color: rgb(56, 61, 164);
/* oklch */ color: oklch(42.2% 0.163 274.8);
Tailwind
colors: {
  custom: {
    50: '#7c72c0',
    500: '#383da4',
    950: '#000000',
  },
}
SCSS
$custom: #383da4;
$custom-light: #7c72c0;
$custom-dark: #000000;
JSON
{
  "hex": "#383da4",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 164
  },
  "hsl": {
    "h": 237.222,
    "s": 49.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.422,
    "c": 0.16289,
    "h": 274.8
  },
  "luminance": 0.06859
}

Semantic roles & 50–950 ramp

primary
#383DA4
secondary
#BEBB7A
accent
#D24FD9
background
#F8F6FB
surface
#EFECF7
border
#CAC7D0
text
#0B0812
muted
#7C7B81

Preview Lab

Preview with #383DA4

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

Preview Lab → · Contrast checker → · Palette generator →

#383DA4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva