#1C3C86#1C3C86

#1C3C86 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.130 H 263.7°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX#1C3C86
RGBrgb(28, 60, 134)
HSLhsl(222, 65%, 32%)
HSVhsv(222, 79%, 53%)
CMYKcmyk(79.1%, 55.2%, 0%, 47.5%)
CIE-LABlab(27.29, 16.76, -44.84)
CIE-LCHlch(27.29, 47.87, 290.50°)
OKLaboklab(37.92% -0.0142 -0.1292)
OKLCHoklch(37.92% 0.13 263.7)
XYZxyz(6.3963, 5.1991, 23.2161)
Luminance0.0520 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3C86 #86661C
analogous
#1C7186 #1C3C86 #311C86
triadic
#1C3C86 #861C3C #3C861C
tetradic
#1C3C86 #861C71 #86661C #1C8631
square
#1C3C86 #861C71 #86661C #1C8631
split-complementary
#1C3C86 #86311C #71861C
monochromatic
#070F21 #112553 #1C3C86 #2753B9 #4471D8

Accessibility & contrast

On white

10.29
#1C3C86 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.04
#1C3C86 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3C86
10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3C86#FFFFFF#000000##FFFFFF
##1C3C861.0010.292.0410.29
#FFFFFF10.291.0021.001.00
#0000002.0421.001.0021.00
##FFFFFF10.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#024689
Deuteranopia (green-blind)
#003C85
Tritanopia (blue-blind)
#004E5B
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #1c3c86;
/* rgb */ color: rgb(28, 60, 134);
/* oklch */ color: oklch(37.9% 0.130 263.7);
Tailwind
colors: {
  custom: {
    50: '#6a71aa',
    500: '#1c3c86',
    950: '#000000',
  },
}
SCSS
$custom: #1c3c86;
$custom-light: #6a71aa;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3c86",
  "rgb": {
    "r": 28,
    "g": 60,
    "b": 134
  },
  "hsl": {
    "h": 221.887,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37915,
    "c": 0.12999,
    "h": 263.7
  },
  "luminance": 0.052
}

Semantic roles & 50–950 ramp

primary
#1C3C86
secondary
#B99645
accent
#B53FE8
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #1C3C86

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3C86 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva