#1C4988#1C4988

#1C4988 is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.0% C 0.116 H 257.6°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX#1C4988
RGBrgb(28, 73, 136)
HSLhsl(215, 66%, 32%)
HSVhsv(215, 79%, 53%)
CMYKcmyk(79.4%, 46.3%, 0%, 46.7%)
CIE-LABlab(31.32, 8.60, -39.58)
CIE-LCHlch(31.32, 40.51, 282.26°)
OKLaboklab(41.04% -0.0249 -0.1135)
OKLCHoklch(41.04% 0.116 257.6)
XYZxyz(7.3037, 6.7887, 24.2132)
Luminance0.0679 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4988 #885B1C
analogous
#1C7F88 #1C4988 #251C88
triadic
#1C4988 #881C49 #49881C
tetradic
#1C4988 #881C7F #885B1C #1C8825
square
#1C4988 #881C7F #885B1C #1C8825
split-complementary
#1C4988 #88251C #7F881C
monochromatic
#071322 #122E55 #1C4988 #2664BB #4683D9

Accessibility & contrast

On white

8.91
#1C4988 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#1C4988 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4988
8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4988#FFFFFF#000000##FFFFFF
##1C49881.008.912.368.91
#FFFFFF8.911.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#284F8A
Deuteranopia (green-blind)
#114587
Tritanopia (blue-blind)
#005862
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1c4988;
/* rgb */ color: rgb(28, 73, 136);
/* oklch */ color: oklch(41.0% 0.116 257.6);
Tailwind
colors: {
  custom: {
    50: '#697bab',
    500: '#1c4988',
    950: '#000000',
  },
}
SCSS
$custom: #1c4988;
$custom-light: #697bab;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4988",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 136
  },
  "hsl": {
    "h": 215,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41044,
    "c": 0.11619,
    "h": 257.6
  },
  "luminance": 0.0679
}

Semantic roles & 50–950 ramp

primary
#1C4988
secondary
#BA8A45
accent
#A23FE9
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #1C4988

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4988 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva