#1C4191#1C4191

#1C4191 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.9% C 0.139 H 263.0°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX#1C4191
RGBrgb(28, 65, 145)
HSLhsl(221, 68%, 34%)
HSVhsv(221, 81%, 57%)
CMYKcmyk(80.7%, 55.2%, 0%, 43.1%)
CIE-LABlab(29.59, 17.74, -47.91)
CIE-LCHlch(29.59, 51.09, 290.32°)
OKLaboklab(39.92% -0.017 -0.1381)
OKLCHoklch(39.92% 0.139 263)
XYZxyz(7.4782, 6.0709, 27.5602)
Luminance0.0607 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4191 #916C1C
analogous
#1C7C91 #1C4191 #321C91
triadic
#1C4191 #911C41 #41911C
tetradic
#1C4191 #911C7C #916C1C #1C9132
square
#1C4191 #911C7C #916C1C #1C9132
split-complementary
#1C4191 #91321C #7C911C
monochromatic
#08132A #122A5E #1C4191 #2658C4 #4B79DC

Accessibility & contrast

On white

9.48
#1C4191 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#1C4191 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4191
9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4191#FFFFFF#000000##FFFFFF
##1C41911.009.482.219.48
#FFFFFF9.481.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004B94
Deuteranopia (green-blind)
#00418F
Tritanopia (blue-blind)
#005562
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #1c4191;
/* rgb */ color: rgb(28, 65, 145);
/* oklch */ color: oklch(39.9% 0.139 263.0);
Tailwind
colors: {
  custom: {
    50: '#6c75b2',
    500: '#1c4191',
    950: '#000000',
  },
}
SCSS
$custom: #1c4191;
$custom-light: #6c75b2;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4191",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 145
  },
  "hsl": {
    "h": 221.026,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39924,
    "c": 0.1392,
    "h": 263
  },
  "luminance": 0.06072
}

Semantic roles & 50–950 ramp

primary
#1C4191
secondary
#BE9A4A
accent
#B43DEB
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080811
muted
#7B7B80

Preview Lab

Preview with #1C4191

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4191 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva