#1C105A#1C105A

#1C105A is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.2% C 0.123 H 280.2°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX#1C105A
RGBrgb(28, 16, 90)
HSLhsl(250, 70%, 21%)
HSVhsv(250, 82%, 35%)
CMYKcmyk(68.9%, 82.2%, 0%, 64.7%)
CIE-LABlab(11.66, 29.66, -41.95)
CIE-LCHlch(11.66, 51.37, 305.27°)
OKLaboklab(25.15% 0.0219 -0.1211)
OKLCHoklch(25.15% 0.123 280.2)
XYZxyz(2.5091, 1.3554, 9.8003)
Luminance0.0136 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C105A #4E5A10
analogous
#10295A #1C105A #41105A
triadic
#1C105A #5A1C10 #105A1C
tetradic
#1C105A #5A1029 #4E5A10 #105A41
square
#1C105A #5A1029 #4E5A10 #105A41
split-complementary
#1C105A #5A4110 #295A10
monochromatic
#08051A #0C0726 #1C105A #2C198E #3C22C2

Accessibility & contrast

On white

16.52
#1C105A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#1C105A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C105A
16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C105A#FFFFFF#000000##FFFFFF
##1C105A1.0016.521.2716.52
#FFFFFF16.521.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00215C
Deuteranopia (green-blind)
#001C59
Tritanopia (blue-blind)
#002634
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #1c105a;
/* rgb */ color: rgb(28, 16, 90);
/* oklch */ color: oklch(25.2% 0.123 280.2);
Tailwind
colors: {
  custom: {
    50: '#62508a',
    500: '#1c105a',
    950: '#000000',
  },
}
SCSS
$custom: #1c105a;
$custom-light: #62508a;
$custom-dark: #000000;
JSON
{
  "hex": "#1c105a",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 249.73,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.25154,
    "c": 0.12303,
    "h": 280.2
  },
  "luminance": 0.01356
}

Semantic roles & 50–950 ramp

primary
#1C105A
secondary
#849333
accent
#ED3BD0
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#06020C
muted
#7A787D

Preview Lab

Preview with #1C105A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C105A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva