#103579#103579

#103579 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.8% C 0.124 H 261.3°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX#103579
RGBrgb(16, 53, 121)
HSLhsl(219, 77%, 27%)
HSVhsv(219, 87%, 47%)
CMYKcmyk(86.8%, 56.2%, 0%, 52.5%)
CIE-LABlab(23.79, 15.04, -42.38)
CIE-LCHlch(23.79, 44.97, 289.54°)
OKLaboklab(34.82% -0.0187 -0.1223)
OKLCHoklch(34.82% 0.124 261.3)
XYZxyz(4.9367, 4.0362, 18.6043)
Luminance0.0404 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103579 #795410
analogous
#106A79 #103579 #201079
triadic
#103579 #791035 #357910
tetradic
#103579 #79106A #795410 #107920
square
#103579 #79106A #795410 #107920
split-complementary
#103579 #792010 #6A7910
monochromatic
#040C1B #091D43 #103579 #174DAF #2265E2

Accessibility & contrast

On white

11.62
#103579 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#103579 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103579
11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103579#FFFFFF#000000##FFFFFF
##1035791.0011.621.8111.62
#FFFFFF11.621.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003E7B
Deuteranopia (green-blind)
#003478
Tritanopia (blue-blind)
#004651
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #103579;
/* rgb */ color: rgb(16, 53, 121);
/* oklch */ color: oklch(34.8% 0.124 261.3);
Tailwind
colors: {
  custom: {
    50: '#636ba0',
    500: '#103579',
    950: '#000000',
  },
}
SCSS
$custom: #103579;
$custom-light: #636ba0;
$custom-dark: #000000;
JSON
{
  "hex": "#103579",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 121
  },
  "hsl": {
    "h": 218.857,
    "s": 76.642,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34817,
    "c": 0.12372,
    "h": 261.3
  },
  "luminance": 0.04037
}

Semantic roles & 50–950 ramp

primary
#103579
secondary
#B08535
accent
#B035F3
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#06060F
muted
#7A7A7E

Preview Lab

Preview with #103579

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

Preview Lab → · Contrast checker → · Palette generator →

#103579 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva