#1C4E84#1C4E84

#1C4E84 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.0% C 0.105 H 253.1°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#1C4E84
RGBrgb(28, 78, 132)
HSLhsl(211, 65%, 31%)
HSVhsv(211, 79%, 52%)
CMYKcmyk(78.8%, 40.9%, 0%, 48.2%)
CIE-LABlab(32.61, 3.64, -35.05)
CIE-LCHlch(32.61, 35.24, 275.92°)
OKLaboklab(41.97% -0.0304 -0.1001)
OKLCHoklch(41.97% 0.105 253.1)
XYZxyz(7.3666, 7.3607, 22.8578)
Luminance0.0736 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4E84 #84521C
analogous
#1C8284 #1C4E84 #1E1C84
triadic
#1C4E84 #841C4E #4E841C
tetradic
#1C4E84 #841C82 #84521C #1C841E
square
#1C4E84 #841C82 #84521C #1C841E
split-complementary
#1C4E84 #841E1C #82841C
monochromatic
#07121F #113052 #1C4E84 #276CB6 #438AD7

Accessibility & contrast

On white

8.49
#1C4E84 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#1C4E84 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E84
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4E84#FFFFFF#000000##FFFFFF
##1C4E841.008.492.478.49
#FFFFFF8.491.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#345286
Deuteranopia (green-blind)
#244883
Tritanopia (blue-blind)
#005B62
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #1c4e84;
/* rgb */ color: rgb(28, 78, 132);
/* oklch */ color: oklch(42.0% 0.105 253.1);
Tailwind
colors: {
  custom: {
    50: '#687fa8',
    500: '#1c4e84',
    950: '#000000',
  },
}
SCSS
$custom: #1c4e84;
$custom-light: #687fa8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4e84",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 132
  },
  "hsl": {
    "h": 211.154,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.41967,
    "c": 0.10458,
    "h": 253.1
  },
  "luminance": 0.07362
}

Semantic roles & 50–950 ramp

primary
#1C4E84
secondary
#B78045
accent
#9740E8
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1C4E84

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4E84 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva