#1C348A#1C348A

#1C348A is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.146 H 266.8°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX#1C348A
RGBrgb(28, 52, 138)
HSLhsl(227, 66%, 33%)
HSVhsv(227, 80%, 54%)
CMYKcmyk(79.7%, 62.3%, 0%, 45.9%)
CIE-LABlab(25.37, 23.94, -50.45)
CIE-LCHlch(25.37, 55.84, 295.38°)
OKLaboklab(36.58% -0.0082 -0.1458)
OKLCHoklch(36.58% 0.146 266.8)
XYZxyz(6.2927, 4.5371, 24.5839)
Luminance0.0454 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C348A #8A721C
analogous
#1C6B8A #1C348A #3B1C8A
triadic
#1C348A #8A1C34 #348A1C
tetradic
#1C348A #8A1C6B #8A721C #1C8A3B
square
#1C348A #8A1C6B #8A721C #1C8A3B
split-complementary
#1C348A #8A3B1C #6B8A1C
monochromatic
#070E24 #122157 #1C348A #2647BD #4767DA

Accessibility & contrast

On white

11.01
#1C348A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#1C348A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C348A
11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C348A#FFFFFF#000000##FFFFFF
##1C348A1.0011.011.9111.01
#FFFFFF11.011.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00418D
Deuteranopia (green-blind)
#003788
Tritanopia (blue-blind)
#004A59
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #1c348a;
/* rgb */ color: rgb(28, 52, 138);
/* oklch */ color: oklch(36.6% 0.146 266.8);
Tailwind
colors: {
  custom: {
    50: '#6b6bad',
    500: '#1c348a',
    950: '#000000',
  },
}
SCSS
$custom: #1c348a;
$custom-light: #6b6bad;
$custom-dark: #000000;
JSON
{
  "hex": "#1c348a",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 138
  },
  "hsl": {
    "h": 226.909,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36576,
    "c": 0.14607,
    "h": 266.8
  },
  "luminance": 0.04538
}

Semantic roles & 50–950 ramp

primary
#1C348A
secondary
#BBA246
accent
#C43FE9
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#080610
muted
#7A7A7F

Preview Lab

Preview with #1C348A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C348A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva