#1C3D82#1C3D82

#1C3D82 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.8% C 0.123 H 262.8°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX#1C3D82
RGBrgb(28, 61, 130)
HSLhsl(221, 65%, 31%)
HSVhsv(221, 78%, 51%)
CMYKcmyk(78.5%, 53.1%, 0%, 49%)
CIE-LABlab(27.28, 14.44, -42.36)
CIE-LCHlch(27.28, 44.75, 288.82°)
OKLaboklab(37.81% -0.0155 -0.1219)
OKLCHoklch(37.81% 0.123 262.8)
XYZxyz(6.1755, 5.1954, 21.7921)
Luminance0.0520 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3D82 #82611C
analogous
#1C7082 #1C3D82 #2E1C82
triadic
#1C3D82 #821C3D #3D821C
tetradic
#1C3D82 #821C70 #82611C #1C822E
square
#1C3D82 #821C70 #82611C #1C822E
split-complementary
#1C3D82 #822E1C #70821C
monochromatic
#060E1D #112550 #1C3D82 #2755B4 #4272D6

Accessibility & contrast

On white

10.30
#1C3D82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.04
#1C3D82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D82
10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3D82#FFFFFF#000000##FFFFFF
##1C3D821.0010.302.0410.30
#FFFFFF10.301.0021.001.00
#0000002.0421.001.0021.00
##FFFFFF10.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#104584
Deuteranopia (green-blind)
#003C81
Tritanopia (blue-blind)
#004E59
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #1c3d82;
/* rgb */ color: rgb(28, 61, 130);
/* oklch */ color: oklch(37.8% 0.123 262.8);
Tailwind
colors: {
  custom: {
    50: '#6871a7',
    500: '#1c3d82',
    950: '#000000',
  },
}
SCSS
$custom: #1c3d82;
$custom-light: #6871a7;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3d82",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 130
  },
  "hsl": {
    "h": 220.588,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37811,
    "c": 0.12289,
    "h": 262.8
  },
  "luminance": 0.05196
}

Semantic roles & 50–950 ramp

primary
#1C3D82
secondary
#B59144
accent
#B140E8
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #1C3D82

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3D82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva