#383BB9#383BB9

#383BB9 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.193 H 274.0°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX#383BB9
RGBrgb(56, 59, 185)
HSLhsl(239, 54%, 47%)
HSVhsv(239, 70%, 73%)
CMYKcmyk(69.7%, 68.1%, 0%, 27.5%)
CIE-LABlab(32.85, 39.90, -66.60)
CIE-LCHlch(32.85, 77.63, 300.92°)
OKLaboklab(43.77% 0.0134 -0.1924)
OKLCHoklch(43.77% 0.193 274)
XYZxyz(11.9489, 7.4703, 46.7017)
Luminance0.0747 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#383BB9 #B9B638
analogous
#387BB9 #383BB9 #7638B9
triadic
#383BB9 #B9383B #3BB938
tetradic
#383BB9 #B9387B #B9B638 #38B976
square
#383BB9 #B9387B #B9B638 #38B976
split-complementary
#383BB9 #B97638 #7BB938
monochromatic
#1C1D5B #2A2C8A #383BB9 #5F62CF #8E90DD

Accessibility & contrast

On white

8.42
#383BB9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#383BB9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383BB9
8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##383BB9#FFFFFF#000000##FFFFFF
##383BB91.008.422.498.42
#FFFFFF8.421.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053BD
Deuteranopia (green-blind)
#0047B7
Tritanopia (blue-blind)
#005D75
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #383bb9;
/* rgb */ color: rgb(56, 59, 185);
/* oklch */ color: oklch(43.8% 0.193 274.0);
Tailwind
colors: {
  custom: {
    50: '#8071cf',
    500: '#383bb9',
    950: '#000000',
  },
}
SCSS
$custom: #383bb9;
$custom-light: #8071cf;
$custom-dark: #000000;
JSON
{
  "hex": "#383bb9",
  "rgb": {
    "r": 56,
    "g": 59,
    "b": 185
  },
  "hsl": {
    "h": 238.605,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43769,
    "c": 0.19291,
    "h": 274
  },
  "luminance": 0.07471
}

Semantic roles & 50–950 ramp

primary
#383BB9
secondary
#C8C685
accent
#DA4BDD
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0814
muted
#7D7B82

Preview Lab

Preview with #383BB9

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

Preview Lab → · Contrast checker → · Palette generator →

#383BB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva