#12105D#12105D

#12105D is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.130 H 272.7°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX#12105D
RGBrgb(18, 16, 93)
HSLhsl(242, 71%, 21%)
HSVhsv(242, 83%, 36%)
CMYKcmyk(80.6%, 82.8%, 0%, 63.5%)
CIE-LABlab(11.20, 29.65, -44.75)
CIE-LCHlch(11.20, 53.68, 303.53°)
OKLaboklab(24.73% 0.0061 -0.1295)
OKLCHoklch(24.73% 0.13 272.7)
XYZxyz(2.4099, 1.2892, 10.4756)
Luminance0.0129 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#12105D #5B5D10
analogous
#10355D #12105D #39105D
triadic
#12105D #5D1210 #105D12
tetradic
#12105D #5D1035 #5B5D10 #105D39
square
#12105D #5D1035 #5B5D10 #105D39
split-complementary
#12105D #5D3910 #355D10
monochromatic
#05041A #080729 #12105D #1C1991 #2622C5

Accessibility & contrast

On white

16.70
#12105D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#12105D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12105D
16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##12105D#FFFFFF#000000##FFFFFF
##12105D1.0016.701.2616.70
#FFFFFF16.701.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00225F
Deuteranopia (green-blind)
#001A5C
Tritanopia (blue-blind)
#002736
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #12105d;
/* rgb */ color: rgb(18, 16, 93);
/* oklch */ color: oklch(24.7% 0.130 272.7);
Tailwind
colors: {
  custom: {
    50: '#5f508c',
    500: '#12105d',
    950: '#000000',
  },
}
SCSS
$custom: #12105d;
$custom-light: #5f508c;
$custom-dark: #000000;
JSON
{
  "hex": "#12105d",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 241.558,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.24729,
    "c": 0.12964,
    "h": 272.7
  },
  "luminance": 0.01289
}

Semantic roles & 50–950 ramp

primary
#12105D
secondary
#939633
accent
#ED3AE9
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#05020C
muted
#7A787D

Preview Lab

Preview with #12105D

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

Preview Lab → · Contrast checker → · Palette generator →

#12105D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva