#1C4388#1C4388

#1C4388 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.6% C 0.124 H 260.8°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX#1C4388
RGBrgb(28, 67, 136)
HSLhsl(218, 66%, 32%)
HSVhsv(218, 79%, 53%)
CMYKcmyk(79.4%, 50.7%, 0%, 46.7%)
CIE-LABlab(29.51, 12.71, -42.50)
CIE-LCHlch(29.51, 44.36, 286.65°)
OKLaboklab(39.65% -0.0197 -0.1222)
OKLCHoklch(39.65% 0.124 260.8)
XYZxyz(6.9284, 6.0380, 24.0881)
Luminance0.0604 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4388 #88611C
analogous
#1C7988 #1C4388 #2B1C88
triadic
#1C4388 #881C43 #43881C
tetradic
#1C4388 #881C79 #88611C #1C882B
square
#1C4388 #881C79 #88611C #1C882B
split-complementary
#1C4388 #882B1C #79881C
monochromatic
#071122 #122A55 #1C4388 #265CBB #467BD9

Accessibility & contrast

On white

9.51
#1C4388 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#1C4388 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4388
9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4388#FFFFFF#000000##FFFFFF
##1C43881.009.512.219.51
#FFFFFF9.511.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A4B8B
Deuteranopia (green-blind)
#004187
Tritanopia (blue-blind)
#00545F
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #1c4388;
/* rgb */ color: rgb(28, 67, 136);
/* oklch */ color: oklch(39.6% 0.124 260.8);
Tailwind
colors: {
  custom: {
    50: '#6a76ab',
    500: '#1c4388',
    950: '#000000',
  },
}
SCSS
$custom: #1c4388;
$custom-light: #6a76ab;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4388",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 136
  },
  "hsl": {
    "h": 218.333,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39649,
    "c": 0.12377,
    "h": 260.8
  },
  "luminance": 0.06039
}

Semantic roles & 50–950 ramp

primary
#1C4388
secondary
#BA9045
accent
#AB3FE9
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F

Preview Lab

Preview with #1C4388

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4388 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva