#1C4D82#1C4D82

#1C4D82 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.103 H 253.1°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX#1C4D82
RGBrgb(28, 77, 130)
HSLhsl(211, 65%, 31%)
HSVhsv(211, 78%, 51%)
CMYKcmyk(78.5%, 40.8%, 0%, 49%)
CIE-LABlab(32.18, 3.50, -34.50)
CIE-LCHlch(32.18, 34.68, 275.79°)
OKLaboklab(41.59% -0.03 -0.0985)
OKLCHoklch(41.59% 0.103 253.1)
XYZxyz(7.1605, 7.1655, 22.1205)
Luminance0.0717 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4D82 #82511C
analogous
#1C8082 #1C4D82 #1E1C82
triadic
#1C4D82 #821C4D #4D821C
tetradic
#1C4D82 #821C80 #82511C #1C821E
square
#1C4D82 #821C80 #82511C #1C821E
split-complementary
#1C4D82 #821E1C #80821C
monochromatic
#06111D #112F50 #1C4D82 #276BB4 #4289D6

Accessibility & contrast

On white

8.63
#1C4D82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.43
#1C4D82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D82
8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4D82#FFFFFF#000000##FFFFFF
##1C4D821.008.632.438.63
#FFFFFF8.631.0021.001.00
#0000002.4321.001.0021.00
##FFFFFF8.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#345184
Deuteranopia (green-blind)
#244781
Tritanopia (blue-blind)
#005A61
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1c4d82;
/* rgb */ color: rgb(28, 77, 130);
/* oklch */ color: oklch(41.6% 0.103 253.1);
Tailwind
colors: {
  custom: {
    50: '#687ea6',
    500: '#1c4d82',
    950: '#000000',
  },
}
SCSS
$custom: #1c4d82;
$custom-light: #687ea6;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4d82",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 130
  },
  "hsl": {
    "h": 211.176,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41589,
    "c": 0.10295,
    "h": 253.1
  },
  "luminance": 0.07166
}

Semantic roles & 50–950 ramp

primary
#1C4D82
secondary
#B57F44
accent
#9740E8
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#07090F
muted
#7A7B7F

Preview Lab

Preview with #1C4D82

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4D82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva