#1C4D78#1C4D78

#1C4D78 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.9% C 0.089 H 248.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX#1C4D78
RGBrgb(28, 77, 120)
HSLhsl(208, 62%, 29%)
HSVhsv(208, 77%, 47%)
CMYKcmyk(76.7%, 35.8%, 0%, 52.9%)
CIE-LABlab(31.60, -0.48, -29.21)
CIE-LCHlch(31.60, 29.21, 269.06°)
OKLaboklab(40.95% -0.0328 -0.083)
OKLCHoklch(40.95% 0.089 248.5)
XYZxyz(6.5216, 6.9100, 18.7557)
Luminance0.0691 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4D78 #78471C
analogous
#1C7875 #1C4D78 #1C1F78
triadic
#1C4D78 #781C4D #4D781C
tetradic
#1C4D78 #751C78 #78471C #1F781C
square
#1C4D78 #751C78 #78471C #1F781C
split-complementary
#1C4D78 #781C1F #78751C
monochromatic
#061019 #102D46 #1C4D78 #286DAA #3D8CD2

Accessibility & contrast

On white

8.82
#1C4D78 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.38
#1C4D78 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D78
8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4D78#FFFFFF#000000##FFFFFF
##1C4D781.008.822.388.82
#FFFFFF8.821.0021.001.00
#0000002.3821.001.0021.00
##FFFFFF8.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#394F7A
Deuteranopia (green-blind)
#2C4677
Tritanopia (blue-blind)
#00575D
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1c4d78;
/* rgb */ color: rgb(28, 77, 120);
/* oklch */ color: oklch(40.9% 0.089 248.5);
Tailwind
colors: {
  custom: {
    50: '#667e9f',
    500: '#1c4d78',
    950: '#000000',
  },
}
SCSS
$custom: #1c4d78;
$custom-light: #667e9f;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4d78",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 120
  },
  "hsl": {
    "h": 208.043,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40946,
    "c": 0.08922,
    "h": 248.5
  },
  "luminance": 0.06911
}

Semantic roles & 50–950 ramp

primary
#1C4D78
secondary
#AC7444
accent
#8F43E5
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#06090E
muted
#7A7B7E

Preview Lab

Preview with #1C4D78

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4D78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva