#1C3385#1C3385

#1C3385 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.9% C 0.140 H 266.9°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX#1C3385
RGBrgb(28, 51, 133)
HSLhsl(227, 65%, 32%)
HSVhsv(227, 79%, 52%)
CMYKcmyk(78.9%, 61.7%, 0%, 47.8%)
CIE-LABlab(24.66, 22.65, -48.49)
CIE-LCHlch(24.66, 53.52, 295.03°)
OKLaboklab(35.91% -0.0075 -0.1401)
OKLCHoklch(35.91% 0.14 266.9)
XYZxyz(5.8949, 4.3073, 22.7065)
Luminance0.0431 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3385 #856E1C
analogous
#1C6885 #1C3385 #3A1C85
triadic
#1C3385 #851C33 #33851C
tetradic
#1C3385 #851C68 #856E1C #1C853A
square
#1C3385 #851C68 #856E1C #1C853A
split-complementary
#1C3385 #853A1C #68851C
monochromatic
#070C20 #112052 #1C3385 #2746B8 #4464D8

Accessibility & contrast

On white

11.28
#1C3385 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#1C3385 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3385
11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3385#FFFFFF#000000##FFFFFF
##1C33851.0011.281.8611.28
#FFFFFF11.281.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004088
Deuteranopia (green-blind)
#003683
Tritanopia (blue-blind)
#004857
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #1c3385;
/* rgb */ color: rgb(28, 51, 133);
/* oklch */ color: oklch(35.9% 0.140 266.9);
Tailwind
colors: {
  custom: {
    50: '#6a6aa9',
    500: '#1c3385',
    950: '#000000',
  },
}
SCSS
$custom: #1c3385;
$custom-light: #6a6aa9;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3385",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 133
  },
  "hsl": {
    "h": 226.857,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35911,
    "c": 0.14031,
    "h": 266.9
  },
  "luminance": 0.04308
}

Semantic roles & 50–950 ramp

primary
#1C3385
secondary
#B89F45
accent
#C340E8
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#070610
muted
#7A7A7F

Preview Lab

Preview with #1C3385

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3385 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva