#1C105D#1C105D

#1C105D is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.5% C 0.127 H 279.5°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX#1C105D
RGBrgb(28, 16, 93)
HSLhsl(249, 71%, 21%)
HSVhsv(249, 83%, 36%)
CMYKcmyk(69.9%, 82.8%, 0%, 63.5%)
CIE-LABlab(12.01, 30.68, -43.39)
CIE-LCHlch(12.01, 53.14, 305.27°)
OKLaboklab(25.5% 0.021 -0.1253)
OKLCHoklch(25.5% 0.127 279.5)
XYZxyz(2.6393, 1.4076, 10.4864)
Luminance0.0141 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C105D #515D10
analogous
#102B5D #1C105D #43105D
triadic
#1C105D #5D1C10 #105D1C
tetradic
#1C105D #5D102B #515D10 #105D43
square
#1C105D #5D102B #515D10 #105D43
split-complementary
#1C105D #5D4310 #2B5D10
monochromatic
#08041A #0C0729 #1C105D #2C1991 #3B22C5

Accessibility & contrast

On white

16.39
#1C105D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.28
#1C105D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C105D
16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C105D#FFFFFF#000000##FFFFFF
##1C105D1.0016.391.2816.39
#FFFFFF16.391.0021.001.00
#0000001.2821.001.0021.00
##FFFFFF16.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00225F
Deuteranopia (green-blind)
#001C5C
Tritanopia (blue-blind)
#002736
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #1c105d;
/* rgb */ color: rgb(28, 16, 93);
/* oklch */ color: oklch(25.5% 0.127 279.5);
Tailwind
colors: {
  custom: {
    50: '#63508c',
    500: '#1c105d',
    950: '#000000',
  },
}
SCSS
$custom: #1c105d;
$custom-light: #63508c;
$custom-dark: #000000;
JSON
{
  "hex": "#1c105d",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 249.351,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25504,
    "c": 0.12701,
    "h": 279.5
  },
  "luminance": 0.01408
}

Semantic roles & 50–950 ramp

primary
#1C105D
secondary
#879633
accent
#ED3AD2
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#06020C
muted
#7A787D

Preview Lab

Preview with #1C105D

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

Preview Lab → · Contrast checker → · Palette generator →

#1C105D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva