#1C4384#1C4384

#1C4384 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.3% C 0.118 H 260.1°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX#1C4384
RGBrgb(28, 67, 132)
HSLhsl(218, 65%, 31%)
HSVhsv(218, 79%, 52%)
CMYKcmyk(78.8%, 49.2%, 0%, 48.2%)
CIE-LABlab(29.23, 11.08, -40.47)
CIE-LCHlch(29.23, 41.96, 285.32°)
OKLaboklab(39.34% -0.0204 -0.1162)
OKLCHoklch(39.34% 0.118 260.1)
XYZxyz(6.6494, 5.9264, 22.6188)
Luminance0.0593 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4384 #845D1C
analogous
#1C7784 #1C4384 #291C84
triadic
#1C4384 #841C43 #43841C
tetradic
#1C4384 #841C77 #845D1C #1C8429
square
#1C4384 #841C77 #845D1C #1C8429
split-complementary
#1C4384 #84291C #77841C
monochromatic
#07101F #112952 #1C4384 #275DB6 #437BD7

Accessibility & contrast

On white

9.61
#1C4384 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.19
#1C4384 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4384
9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4384#FFFFFF#000000##FFFFFF
##1C43841.009.612.199.61
#FFFFFF9.611.0021.001.00
#0000002.1921.001.0021.00
##FFFFFF9.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F4A86
Deuteranopia (green-blind)
#004083
Tritanopia (blue-blind)
#00525D
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #1c4384;
/* rgb */ color: rgb(28, 67, 132);
/* oklch */ color: oklch(39.3% 0.118 260.1);
Tailwind
colors: {
  custom: {
    50: '#6976a8',
    500: '#1c4384',
    950: '#000000',
  },
}
SCSS
$custom: #1c4384;
$custom-light: #6976a8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4384",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 132
  },
  "hsl": {
    "h": 217.5,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.39342,
    "c": 0.118,
    "h": 260.1
  },
  "luminance": 0.05927
}

Semantic roles & 50–950 ramp

primary
#1C4384
secondary
#B78C45
accent
#A940E8
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F

Preview Lab

Preview with #1C4384

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4384 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva