#1C3682#1C3682

#1C3682 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.132 H 265.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX#1C3682
RGBrgb(28, 54, 130)
HSLhsl(225, 65%, 31%)
HSVhsv(225, 78%, 51%)
CMYKcmyk(78.5%, 58.5%, 0%, 49%)
CIE-LABlab(25.25, 19.35, -45.66)
CIE-LCHlch(25.25, 49.59, 292.96°)
OKLaboklab(36.27% -0.0099 -0.1317)
OKLCHoklch(36.27% 0.132 265.7)
XYZxyz(5.8259, 4.4963, 21.6756)
Luminance0.0450 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3682 #82681C
analogous
#1C6982 #1C3682 #351C82
triadic
#1C3682 #821C36 #36821C
tetradic
#1C3682 #821C69 #82681C #1C8235
square
#1C3682 #821C69 #82681C #1C8235
split-complementary
#1C3682 #82351C #69821C
monochromatic
#060C1D #112150 #1C3682 #274BB4 #4268D6

Accessibility & contrast

On white

11.06
#1C3682 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#1C3682 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3682
11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3682#FFFFFF#000000##FFFFFF
##1C36821.0011.061.9011.06
#FFFFFF11.061.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004185
Deuteranopia (green-blind)
#003781
Tritanopia (blue-blind)
#004956
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #1c3682;
/* rgb */ color: rgb(28, 54, 130);
/* oklch */ color: oklch(36.3% 0.132 265.7);
Tailwind
colors: {
  custom: {
    50: '#696ca7',
    500: '#1c3682',
    950: '#000000',
  },
}
SCSS
$custom: #1c3682;
$custom-light: #696ca7;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3682",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 130
  },
  "hsl": {
    "h": 224.706,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36271,
    "c": 0.13211,
    "h": 265.7
  },
  "luminance": 0.04497
}

Semantic roles & 50–950 ramp

primary
#1C3682
secondary
#B59944
accent
#BD40E8
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #1C3682

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3682 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva