#103D83#103D83

#103D83 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.5% C 0.128 H 259.5°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX#103D83
RGBrgb(16, 61, 131)
HSLhsl(217, 78%, 29%)
HSVhsv(217, 88%, 51%)
CMYKcmyk(87.8%, 53.4%, 0%, 48.6%)
CIE-LABlab(26.98, 13.59, -43.50)
CIE-LCHlch(26.98, 45.57, 287.35°)
OKLaboklab(37.49% -0.0232 -0.1254)
OKLCHoklch(37.49% 0.128 259.5)
XYZxyz(5.9777, 5.0856, 22.1349)
Luminance0.0509 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103D83 #835610
analogous
#107783 #103D83 #1D1083
triadic
#103D83 #83103D #3D8310
tetradic
#103D83 #831077 #835610 #10831D
square
#103D83 #831077 #835610 #10831D
split-complementary
#103D83 #831D10 #778310
monochromatic
#030D1B #09244C #103D83 #1756BA #2972E5

Accessibility & contrast

On white

10.41
#103D83 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.02
#103D83 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D83
10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103D83#FFFFFF#000000##FFFFFF
##103D831.0010.412.0210.41
#FFFFFF10.411.0021.001.00
#0000002.0221.001.0021.00
##FFFFFF10.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0B4586
Deuteranopia (green-blind)
#003B82
Tritanopia (blue-blind)
#004E5A
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #103d83;
/* rgb */ color: rgb(16, 61, 131);
/* oklch */ color: oklch(37.5% 0.128 259.5);
Tailwind
colors: {
  custom: {
    50: '#6571a8',
    500: '#103d83',
    950: '#000000',
  },
}
SCSS
$custom: #103d83;
$custom-light: #6571a8;
$custom-dark: #000000;
JSON
{
  "hex": "#103d83",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 131
  },
  "hsl": {
    "h": 216.522,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37493,
    "c": 0.12756,
    "h": 259.5
  },
  "luminance": 0.05086
}

Semantic roles & 50–950 ramp

primary
#103D83
secondary
#B98636
accent
#A933F5
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #103D83

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

Preview Lab → · Contrast checker → · Palette generator →

#103D83 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva