#103781#103781

#103781 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.133 H 261.6°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX#103781
RGBrgb(16, 55, 129)
HSLhsl(219, 78%, 28%)
HSVhsv(219, 88%, 51%)
CMYKcmyk(87.6%, 57.4%, 0%, 49.4%)
CIE-LABlab(25.04, 17.00, -45.40)
CIE-LCHlch(25.04, 48.48, 290.53°)
OKLaboklab(35.97% -0.0193 -0.1311)
OKLCHoklch(35.97% 0.133 261.6)
XYZxyz(5.5409, 4.4268, 21.3270)
Luminance0.0443 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103781 #815A10
analogous
#106F81 #103781 #211081
triadic
#103781 #811037 #378110
tetradic
#103781 #81106F #815A10 #108121
square
#103781 #81106F #815A10 #108121
split-complementary
#103781 #812110 #6F8110
monochromatic
#030C1B #09204B #103781 #174EB7 #2768E4

Accessibility & contrast

On white

11.14
#103781 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#103781 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103781
11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103781#FFFFFF#000000##FFFFFF
##1037811.0011.141.8911.14
#FFFFFF11.141.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004184
Deuteranopia (green-blind)
#003780
Tritanopia (blue-blind)
#004A56
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #103781;
/* rgb */ color: rgb(16, 55, 129);
/* oklch */ color: oklch(36.0% 0.133 261.6);
Tailwind
colors: {
  custom: {
    50: '#656da6',
    500: '#103781',
    950: '#000000',
  },
}
SCSS
$custom: #103781;
$custom-light: #656da6;
$custom-dark: #000000;
JSON
{
  "hex": "#103781",
  "rgb": {
    "r": 16,
    "g": 55,
    "b": 129
  },
  "hsl": {
    "h": 219.292,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35966,
    "c": 0.13256,
    "h": 261.6
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary
#103781
secondary
#B78A36
accent
#B233F4
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #103781

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

Preview Lab → · Contrast checker → · Palette generator →

#103781 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva