#1C4E7A#1C4E7A

#1C4E7A is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.091 H 248.6°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX#1C4E7A
RGBrgb(28, 78, 122)
HSLhsl(208, 63%, 29%)
HSVhsv(208, 77%, 48%)
CMYKcmyk(77%, 36.1%, 0%, 52.2%)
CIE-LABlab(32.03, -0.34, -29.77)
CIE-LCHlch(32.03, 29.78, 269.34°)
OKLaboklab(41.32% -0.0332 -0.0846)
OKLCHoklch(41.32% 0.091 248.6)
XYZxyz(6.7148, 7.1000, 19.4251)
Luminance0.0710 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4E7A #7A481C
analogous
#1C7A77 #1C4E7A #1C1F7A
triadic
#1C4E7A #7A1C4E #4E7A1C
tetradic
#1C4E7A #771C7A #7A481C #1F7A1C
square
#1C4E7A #771C7A #7A481C #1F7A1C
split-complementary
#1C4E7A #7A1C1F #7A771C
monochromatic
#061019 #112E48 #1C4E7A #276EAC #3E8DD3

Accessibility & contrast

On white

8.68
#1C4E7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#1C4E7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E7A
8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4E7A#FFFFFF#000000##FFFFFF
##1C4E7A1.008.682.428.68
#FFFFFF8.681.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A507C
Deuteranopia (green-blind)
#2C4779
Tritanopia (blue-blind)
#00585E
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #1c4e7a;
/* rgb */ color: rgb(28, 78, 122);
/* oklch */ color: oklch(41.3% 0.091 248.6);
Tailwind
colors: {
  custom: {
    50: '#667fa0',
    500: '#1c4e7a',
    950: '#000000',
  },
}
SCSS
$custom: #1c4e7a;
$custom-light: #667fa0;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4e7a",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 122
  },
  "hsl": {
    "h": 208.085,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41322,
    "c": 0.09089,
    "h": 248.6
  },
  "luminance": 0.07101
}

Semantic roles & 50–950 ramp

primary
#1C4E7A
secondary
#AE7644
accent
#8F42E6
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#070A0F
muted
#7A7C7E

Preview Lab

Preview with #1C4E7A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4E7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva