#1D4E72#1D4E72

#1D4E72 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.9% C 0.080 H 244.0°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX#1D4E72
RGBrgb(29, 78, 114)
HSLhsl(205, 59%, 28%)
HSVhsv(205, 75%, 45%)
CMYKcmyk(74.6%, 31.6%, 0%, 55.3%)
CIE-LABlab(31.63, -3.32, -25.40)
CIE-LCHlch(31.63, 25.62, 262.56°)
OKLaboklab(40.88% -0.0351 -0.0719)
OKLCHoklch(40.88% 0.08 244)
XYZxyz(6.2672, 6.9242, 16.9225)
Luminance0.0693 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4E72 #72411D
analogous
#1D726B #1D4E72 #1D2372
triadic
#1D4E72 #721D4E #4E721D
tetradic
#1D4E72 #6B1D72 #72411D #23721D
square
#1D4E72 #6B1D72 #72411D #23721D
split-complementary
#1D4E72 #721D23 #726B1D
monochromatic
#061118 #112D41 #1D4E72 #296FA3 #3C90CD

Accessibility & contrast

On white

8.81
#1D4E72 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#1D4E72 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E72
8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4E72#FFFFFF#000000##FFFFFF
##1D4E721.008.812.398.81
#FFFFFF8.811.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E4F74
Deuteranopia (green-blind)
#324771
Tritanopia (blue-blind)
#00575B
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1d4e72;
/* rgb */ color: rgb(29, 78, 114);
/* oklch */ color: oklch(40.9% 0.080 244.0);
Tailwind
colors: {
  custom: {
    50: '#657f9a',
    500: '#1d4e72',
    950: '#000000',
  },
}
SCSS
$custom: #1d4e72;
$custom-light: #657f9a;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4e72",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 114
  },
  "hsl": {
    "h": 205.412,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.40875,
    "c": 0.07997,
    "h": 244
  },
  "luminance": 0.06925
}

Semantic roles & 50–950 ramp

primary
#1D4E72
secondary
#A66E45
accent
#8845E3
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0E
muted
#7A7C7E

Preview Lab

Preview with #1D4E72

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4E72 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva