#1C3D86#1C3D86

#1C3D86 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.129 H 263.3°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX#1C3D86
RGBrgb(28, 61, 134)
HSLhsl(221, 65%, 32%)
HSVhsv(221, 79%, 53%)
CMYKcmyk(79.1%, 54.5%, 0%, 47.5%)
CIE-LABlab(27.59, 16.06, -44.36)
CIE-LCHlch(27.59, 47.18, 289.90°)
OKLaboklab(38.14% -0.015 -0.1278)
OKLCHoklch(38.14% 0.129 263.3)
XYZxyz(6.4492, 5.3049, 23.2337)
Luminance0.0531 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3D86 #86651C
analogous
#1C7286 #1C3D86 #301C86
triadic
#1C3D86 #861C3D #3D861C
tetradic
#1C3D86 #861C72 #86651C #1C8630
square
#1C3D86 #861C72 #86651C #1C8630
split-complementary
#1C3D86 #86301C #72861C
monochromatic
#070F21 #112653 #1C3D86 #2754B9 #4472D8

Accessibility & contrast

On white

10.19
#1C3D86 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#1C3D86 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D86
10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3D86#FFFFFF#000000##FFFFFF
##1C3D861.0010.192.0610.19
#FFFFFF10.191.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#074689
Deuteranopia (green-blind)
#003D85
Tritanopia (blue-blind)
#004F5B
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #1c3d86;
/* rgb */ color: rgb(28, 61, 134);
/* oklch */ color: oklch(38.1% 0.129 263.3);
Tailwind
colors: {
  custom: {
    50: '#6a71aa',
    500: '#1c3d86',
    950: '#000000',
  },
}
SCSS
$custom: #1c3d86;
$custom-light: #6a71aa;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3d86",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 134
  },
  "hsl": {
    "h": 221.321,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38137,
    "c": 0.12868,
    "h": 263.3
  },
  "luminance": 0.05306
}

Semantic roles & 50–950 ramp

primary
#1C3D86
secondary
#B99545
accent
#B43FE8
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #1C3D86

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3D86 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva