#1D4E82#1D4E82

#1D4E82 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.9% C 0.101 H 252.6°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX#1D4E82
RGBrgb(29, 78, 130)
HSLhsl(211, 64%, 31%)
HSVhsv(211, 78%, 51%)
CMYKcmyk(77.7%, 40%, 0%, 49%)
CIE-LABlab(32.53, 2.97, -33.95)
CIE-LCHlch(32.53, 34.08, 275.00°)
OKLaboklab(41.87% -0.0303 -0.0968)
OKLCHoklch(41.87% 0.101 252.6)
XYZxyz(7.2588, 7.3209, 22.1453)
Luminance0.0732 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4E82 #82511D
analogous
#1D8082 #1D4E82 #1E1D82
triadic
#1D4E82 #821D4E #4E821D
tetradic
#1D4E82 #821D80 #82511D #1D821E
square
#1D4E82 #821D80 #82511D #1D821E
split-complementary
#1D4E82 #821E1D #80821D
monochromatic
#07121E #123050 #1D4E82 #286CB4 #448BD5

Accessibility & contrast

On white

8.52
#1D4E82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.46
#1D4E82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E82
8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4E82#FFFFFF#000000##FFFFFF
##1D4E821.008.522.468.52
#FFFFFF8.521.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#365284
Deuteranopia (green-blind)
#264881
Tritanopia (blue-blind)
#005A61
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1d4e82;
/* rgb */ color: rgb(29, 78, 130);
/* oklch */ color: oklch(41.9% 0.101 252.6);
Tailwind
colors: {
  custom: {
    50: '#687fa6',
    500: '#1d4e82',
    950: '#000000',
  },
}
SCSS
$custom: #1d4e82;
$custom-light: #687fa6;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4e82",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 130
  },
  "hsl": {
    "h": 210.891,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41868,
    "c": 0.10147,
    "h": 252.6
  },
  "luminance": 0.07322
}

Semantic roles & 50–950 ramp

primary
#1D4E82
secondary
#B57F46
accent
#9641E7
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1D4E82

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4E82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva