#103381#103381

#103381 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.138 H 263.0°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX#103381
RGBrgb(16, 51, 129)
HSLhsl(221, 78%, 28%)
HSVhsv(221, 88%, 51%)
CMYKcmyk(87.6%, 60.5%, 0%, 49.4%)
CIE-LABlab(23.88, 19.84, -47.29)
CIE-LCHlch(23.88, 51.28, 292.76°)
OKLaboklab(35.09% -0.0167 -0.1368)
OKLCHoklch(35.09% 0.138 263)
XYZxyz(5.3585, 4.0621, 21.2663)
Luminance0.0406 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103381 #815E10
analogous
#106B81 #103381 #251081
triadic
#103381 #811033 #338110
tetradic
#103381 #81106B #815E10 #108125
square
#103381 #81106B #815E10 #108125
split-complementary
#103381 #812510 #6B8110
monochromatic
#030B1B #091D4B #103381 #1749B7 #2762E4

Accessibility & contrast

On white

11.59
#103381 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#103381 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103381
11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103381#FFFFFF#000000##FFFFFF
##1033811.0011.591.8111.59
#FFFFFF11.591.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003E84
Deuteranopia (green-blind)
#003480
Tritanopia (blue-blind)
#004754
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #103381;
/* rgb */ color: rgb(16, 51, 129);
/* oklch */ color: oklch(35.1% 0.138 263.0);
Tailwind
colors: {
  custom: {
    50: '#666aa6',
    500: '#103381',
    950: '#000000',
  },
}
SCSS
$custom: #103381;
$custom-light: #666aa6;
$custom-dark: #000000;
JSON
{
  "hex": "#103381",
  "rgb": {
    "r": 16,
    "g": 51,
    "b": 129
  },
  "hsl": {
    "h": 221.416,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35091,
    "c": 0.13779,
    "h": 263
  },
  "luminance": 0.04063
}

Semantic roles & 50–950 ramp

primary
#103381
secondary
#B78F36
accent
#B933F4
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07060F
muted
#7A7A7F

Preview Lab

Preview with #103381

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

Preview Lab → · Contrast checker → · Palette generator →

#103381 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva