#1C4499#1C4499

#1C4499 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.2% C 0.147 H 262.8°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX#1C4499
RGBrgb(28, 68, 153)
HSLhsl(221, 69%, 35%)
HSVhsv(221, 82%, 60%)
CMYKcmyk(81.7%, 55.6%, 0%, 40%)
CIE-LABlab(31.07, 18.90, -50.40)
CIE-LCHlch(31.07, 53.82, 290.55°)
OKLaboklab(41.24% -0.0185 -0.1454)
OKLCHoklch(41.24% 0.147 262.8)
XYZxyz(8.2937, 6.6800, 30.9831)
Luminance0.0668 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4499 #99711C
analogous
#1C8299 #1C4499 #321C99
triadic
#1C4499 #991C44 #44991C
tetradic
#1C4499 #991C82 #99711C #1C9932
square
#1C4499 #991C82 #99711C #1C9932
split-complementary
#1C4499 #99321C #82991C
monochromatic
#091632 #132D65 #1C4499 #255BCD #507EDF

Accessibility & contrast

On white

8.99
#1C4499 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#1C4499 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4499
8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4499#FFFFFF#000000##FFFFFF
##1C44991.008.992.348.99
#FFFFFF8.991.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004F9C
Deuteranopia (green-blind)
#004497
Tritanopia (blue-blind)
#005967
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #1c4499;
/* rgb */ color: rgb(28, 68, 153);
/* oklch */ color: oklch(41.2% 0.147 262.8);
Tailwind
colors: {
  custom: {
    50: '#6e77b8',
    500: '#1c4499',
    950: '#000000',
  },
}
SCSS
$custom: #1c4499;
$custom-light: #6e77b8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4499",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 153
  },
  "hsl": {
    "h": 220.8,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41238,
    "c": 0.14658,
    "h": 262.8
  },
  "luminance": 0.06681
}

Semantic roles & 50–950 ramp

primary
#1C4499
secondary
#C29D4F
accent
#B43CEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080811
muted
#7B7B80

Preview Lab

Preview with #1C4499

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4499 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva