#1C105E#1C105E

#1C105E is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.6% C 0.128 H 279.3°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX#1C105E
RGBrgb(28, 16, 94)
HSLhsl(249, 71%, 22%)
HSVhsv(249, 83%, 37%)
CMYKcmyk(70.2%, 83%, 0%, 63.1%)
CIE-LABlab(12.13, 31.03, -43.86)
CIE-LCHlch(12.13, 53.73, 305.27°)
OKLaboklab(25.62% 0.0207 -0.1267)
OKLCHoklch(25.62% 0.128 279.3)
XYZxyz(2.6839, 1.4254, 10.7212)
Luminance0.0143 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C105E #525E10
analogous
#102B5E #1C105E #43105E
triadic
#1C105E #5E1C10 #105E1C
tetradic
#1C105E #5E102B #525E10 #105E43
square
#1C105E #5E102B #525E10 #105E43
split-complementary
#1C105E #5E4310 #2B5E10
monochromatic
#08041A #0C072A #1C105E #2C1992 #3B22C7

Accessibility & contrast

On white

16.34
#1C105E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#1C105E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C105E
16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C105E#FFFFFF#000000##FFFFFF
##1C105E1.0016.341.2916.34
#FFFFFF16.341.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002360
Deuteranopia (green-blind)
#001D5D
Tritanopia (blue-blind)
#002737
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #1c105e;
/* rgb */ color: rgb(28, 16, 94);
/* oklch */ color: oklch(25.6% 0.128 279.3);
Tailwind
colors: {
  custom: {
    50: '#63508d',
    500: '#1c105e',
    950: '#000000',
  },
}
SCSS
$custom: #1c105e;
$custom-light: #63508d;
$custom-dark: #000000;
JSON
{
  "hex": "#1c105e",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 249.231,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25621,
    "c": 0.12833,
    "h": 279.3
  },
  "luminance": 0.01426
}

Semantic roles & 50–950 ramp

primary
#1C105E
secondary
#889733
accent
#EE3AD2
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#06020C
muted
#7A787D

Preview Lab

Preview with #1C105E

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

Preview Lab → · Contrast checker → · Palette generator →

#1C105E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva