#1C3377#1C3377

#1C3377 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.7% C 0.120 H 266.1°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX#1C3377
RGBrgb(28, 51, 119)
HSLhsl(225, 62%, 29%)
HSVhsv(225, 76%, 47%)
CMYKcmyk(76.5%, 57.1%, 0%, 53.3%)
CIE-LABlab(23.49, 17.02, -41.57)
CIE-LCHlch(23.49, 44.92, 292.26°)
OKLaboklab(34.67% -0.0082 -0.1198)
OKLCHoklch(34.67% 0.12 266.1)
XYZxyz(4.9913, 3.9459, 17.9478)
Luminance0.0395 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3377 #77601C
analogous
#1C6177 #1C3377 #331C77
triadic
#1C3377 #771C33 #33771C
tetradic
#1C3377 #771C61 #77601C #1C7733
square
#1C3377 #771C61 #77601C #1C7733
split-complementary
#1C3377 #77331C #61771C
monochromatic
#060B19 #101E45 #1C3377 #2848A9 #3C62D1

Accessibility & contrast

On white

11.74
#1C3377 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#1C3377 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3377
11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3377#FFFFFF#000000##FFFFFF
##1C33771.0011.741.7911.74
#FFFFFF11.741.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003C79
Deuteranopia (green-blind)
#003476
Tritanopia (blue-blind)
#00444F
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #1c3377;
/* rgb */ color: rgb(28, 51, 119);
/* oklch */ color: oklch(34.7% 0.120 266.1);
Tailwind
colors: {
  custom: {
    50: '#666a9f',
    500: '#1c3377',
    950: '#000000',
  },
}
SCSS
$custom: #1c3377;
$custom-light: #666a9f;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3377",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 119
  },
  "hsl": {
    "h": 224.835,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.34667,
    "c": 0.12005,
    "h": 266.1
  },
  "luminance": 0.03946
}

Semantic roles & 50–950 ramp

primary
#1C3377
secondary
#AB9144
accent
#BC43E5
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#07060E
muted
#7A7A7E

Preview Lab

Preview with #1C3377

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3377 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva