#1C4B79#1C4B79

#1C4B79 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.5% C 0.093 H 250.8°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#1C4B79
RGBrgb(28, 75, 121)
HSLhsl(210, 62%, 29%)
HSVhsv(210, 77%, 47%)
CMYKcmyk(76.9%, 38%, 0%, 52.5%)
CIE-LABlab(31.02, 1.23, -30.76)
CIE-LCHlch(31.02, 30.78, 272.29°)
OKLaboklab(40.51% -0.0304 -0.0875)
OKLCHoklch(40.51% 0.093 250.8)
XYZxyz(6.4449, 6.6588, 19.0311)
Luminance0.0666 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4B79 #794A1C
analogous
#1C7979 #1C4B79 #1C1D79
triadic
#1C4B79 #791C4B #4B791C
tetradic
#1C4B79 #791C79 #794A1C #1D791C
square
#1C4B79 #791C79 #794A1C #1D791C
split-complementary
#1C4B79 #791C1D #79791C
monochromatic
#060F19 #102C47 #1C4B79 #286AAB #3D89D2

Accessibility & contrast

On white

9.01
#1C4B79 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.33
#1C4B79 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4B79
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4B79#FFFFFF#000000##FFFFFF
##1C4B791.009.012.339.01
#FFFFFF9.011.0021.001.00
#0000002.3321.001.0021.00
##FFFFFF9.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#364E7B
Deuteranopia (green-blind)
#284578
Tritanopia (blue-blind)
#00565C
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #1c4b79;
/* rgb */ color: rgb(28, 75, 121);
/* oklch */ color: oklch(40.5% 0.093 250.8);
Tailwind
colors: {
  custom: {
    50: '#667ca0',
    500: '#1c4b79',
    950: '#000000',
  },
}
SCSS
$custom: #1c4b79;
$custom-light: #667ca0;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4b79",
  "rgb": {
    "r": 28,
    "g": 75,
    "b": 121
  },
  "hsl": {
    "h": 209.677,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.40506,
    "c": 0.09269,
    "h": 250.8
  },
  "luminance": 0.0666
}

Semantic roles & 50–950 ramp

primary
#1C4B79
secondary
#AD7844
accent
#9342E5
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#06090E
muted
#7A7B7E

Preview Lab

Preview with #1C4B79

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4B79 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva