#1C4D7B#1C4D7B

#1C4D7B is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.1% C 0.093 H 250.0°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX#1C4D7B
RGBrgb(28, 77, 123)
HSLhsl(209, 63%, 30%)
HSVhsv(209, 77%, 48%)
CMYKcmyk(77.2%, 37.4%, 0%, 51.8%)
CIE-LABlab(31.77, 0.71, -30.81)
CIE-LCHlch(31.77, 30.82, 271.31°)
OKLaboklab(41.13% -0.0319 -0.0877)
OKLCHoklch(41.13% 0.093 250)
XYZxyz(6.7066, 6.9839, 19.7296)
Luminance0.0698 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4D7B #7B4A1C
analogous
#1C7B7A #1C4D7B #1C1D7B
triadic
#1C4D7B #7B1C4D #4D7B1C
tetradic
#1C4D7B #7A1C7B #7B4A1C #1D7B1C
square
#1C4D7B #7A1C7B #7B4A1C #1D7B1C
split-complementary
#1C4D7B #7B1C1D #7B7A1C
monochromatic
#061019 #112E49 #1C4D7B #276CAD #3E8BD3

Accessibility & contrast

On white

8.76
#1C4D7B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.40
#1C4D7B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D7B
8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4D7B#FFFFFF#000000##FFFFFF
##1C4D7B1.008.762.408.76
#FFFFFF8.761.0021.001.00
#0000002.4021.001.0021.00
##FFFFFF8.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#38507D
Deuteranopia (green-blind)
#2A477A
Tritanopia (blue-blind)
#00585E
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #1c4d7b;
/* rgb */ color: rgb(28, 77, 123);
/* oklch */ color: oklch(41.1% 0.093 250.0);
Tailwind
colors: {
  custom: {
    50: '#667ea1',
    500: '#1c4d7b',
    950: '#000000',
  },
}
SCSS
$custom: #1c4d7b;
$custom-light: #667ea1;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4d7b",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 123
  },
  "hsl": {
    "h": 209.053,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41134,
    "c": 0.09329,
    "h": 250
  },
  "luminance": 0.06985
}

Semantic roles & 50–950 ramp

primary
#1C4D7B
secondary
#AF7844
accent
#9142E6
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#07090F
muted
#7A7B7E

Preview Lab

Preview with #1C4D7B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4D7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva