#3D378F#3D378F

#3D378F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.7% C 0.141 H 280.9°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX#3D378F
RGBrgb(61, 55, 143)
HSLhsl(244, 44%, 39%)
HSVhsv(244, 62%, 56%)
CMYKcmyk(57.3%, 61.5%, 0%, 43.9%)
CIE-LABlab(28.66, 28.85, -48.10)
CIE-LCHlch(28.66, 56.09, 300.95°)
OKLaboklab(39.69% 0.0266 -0.138)
OKLCHoklch(39.69% 0.141 280.9)
XYZxyz(8.2470, 5.7071, 26.6483)
Luminance0.0571 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D378F #898F37
analogous
#375D8F #3D378F #69378F
triadic
#3D378F #8F3D37 #378F3D
tetradic
#3D378F #8F375D #898F37 #378F69
square
#3D378F #8F375D #898F37 #378F69
split-complementary
#3D378F #8F6937 #5D8F37
monochromatic
#171537 #2A2663 #3D378F #514AB9 #7C76CA

Accessibility & contrast

On white

9.81
#3D378F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.14
#3D378F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D378F
9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D378F#FFFFFF#000000##FFFFFF
##3D378F1.009.812.149.81
#FFFFFF9.811.0021.001.00
#0000002.1421.001.0021.00
##FFFFFF9.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004792
Deuteranopia (green-blind)
#00408D
Tritanopia (blue-blind)
#134C5D
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #3d378f;
/* rgb */ color: rgb(61, 55, 143);
/* oklch */ color: oklch(39.7% 0.141 280.9);
Tailwind
colors: {
  custom: {
    50: '#7b6eb0',
    500: '#3d378f',
    950: '#000000',
  },
}
SCSS
$custom: #3d378f;
$custom-light: #7b6eb0;
$custom-dark: #000000;
JSON
{
  "hex": "#3d378f",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 244.091,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39688,
    "c": 0.1406,
    "h": 280.9
  },
  "luminance": 0.05708
}

Semantic roles & 50–950 ramp

primary
#3D378F
secondary
#AEB36F
accent
#D454CB
background
#F7F6FA
surface
#EEECF5
border
#C9C7CF
text
#0A0711
muted
#7C7A80

Preview Lab

Preview with #3D378F

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

Preview Lab → · Contrast checker → · Palette generator →

#3D378F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva