#103B8D#103B8D

#103B8D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.144 H 261.7°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX#103B8D
RGBrgb(16, 59, 141)
HSLhsl(219, 80%, 31%)
HSVhsv(219, 89%, 55%)
CMYKcmyk(88.7%, 58.2%, 0%, 44.7%)
CIE-LABlab(27.19, 19.19, -49.37)
CIE-LCHlch(27.19, 52.97, 291.24°)
OKLaboklab(37.9% -0.0208 -0.1427)
OKLCHoklch(37.9% 0.144 261.7)
XYZxyz(6.5836, 5.1603, 25.8432)
Luminance0.0516 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103B8D #8D6210
analogous
#10798D #103B8D #23108D
triadic
#103B8D #8D103B #3B8D10
tetradic
#103B8D #8D1079 #8D6210 #108D23
square
#103B8D #8D1079 #8D6210 #108D23
split-complementary
#103B8D #8D2310 #798D10
monochromatic
#040D1F #0A2456 #103B8D #1652C4 #306FE7

Accessibility & contrast

On white

10.33
#103B8D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#103B8D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B8D
10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103B8D#FFFFFF#000000##FFFFFF
##103B8D1.0010.332.0310.33
#FFFFFF10.331.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004690
Deuteranopia (green-blind)
#003B8B
Tritanopia (blue-blind)
#00505E
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #103b8d;
/* rgb */ color: rgb(16, 59, 141);
/* oklch */ color: oklch(37.9% 0.144 261.7);
Tailwind
colors: {
  custom: {
    50: '#6870af',
    500: '#103b8d',
    950: '#000000',
  },
}
SCSS
$custom: #103b8d;
$custom-light: #6870af;
$custom-dark: #000000;
JSON
{
  "hex": "#103b8d",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 219.36,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37903,
    "c": 0.14424,
    "h": 261.7
  },
  "luminance": 0.05161
}

Semantic roles & 50–950 ramp

primary
#103B8D
secondary
#C29237
accent
#B332F6
background
#F6F6FA
surface
#ECECF5
border
#C7C7CF
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #103B8D

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

Preview Lab → · Contrast checker → · Palette generator →

#103B8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva