#1C3084#1C3084

#1C3084 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.143 H 267.8°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX#1C3084
RGBrgb(28, 48, 132)
HSLhsl(228, 65%, 31%)
HSVhsv(228, 79%, 52%)
CMYKcmyk(78.8%, 63.6%, 0%, 48.2%)
CIE-LABlab(23.76, 24.33, -49.35)
CIE-LCHlch(23.76, 55.02, 296.25°)
OKLaboklab(35.21% -0.0055 -0.1426)
OKLCHoklch(35.21% 0.143 267.8)
XYZxyz(5.6993, 4.0261, 22.3021)
Luminance0.0403 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3084 #84701C
analogous
#1C6484 #1C3084 #3C1C84
triadic
#1C3084 #841C30 #30841C
tetradic
#1C3084 #841C64 #84701C #1C843C
square
#1C3084 #841C64 #84701C #1C843C
split-complementary
#1C3084 #843C1C #64841C
monochromatic
#070B1F #111E52 #1C3084 #2742B6 #4360D7

Accessibility & contrast

On white

11.63
#1C3084 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#1C3084 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3084
11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3084#FFFFFF#000000##FFFFFF
##1C30841.0011.631.8111.63
#FFFFFF11.631.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003E87
Deuteranopia (green-blind)
#003482
Tritanopia (blue-blind)
#004655
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #1c3084;
/* rgb */ color: rgb(28, 48, 132);
/* oklch */ color: oklch(35.2% 0.143 267.8);
Tailwind
colors: {
  custom: {
    50: '#6a68a9',
    500: '#1c3084',
    950: '#000000',
  },
}
SCSS
$custom: #1c3084;
$custom-light: #6a68a9;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3084",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 132
  },
  "hsl": {
    "h": 228.462,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35212,
    "c": 0.14276,
    "h": 267.8
  },
  "luminance": 0.04027
}

Semantic roles & 50–950 ramp

primary
#1C3084
secondary
#B7A145
accent
#C840E8
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#070610
muted
#7A7A7F

Preview Lab

Preview with #1C3084

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3084 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva