#1D4F79#1D4F79

#1D4F79 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.088 H 247.4°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX#1D4F79
RGBrgb(29, 79, 121)
HSLhsl(207, 61%, 29%)
HSVhsv(207, 76%, 47%)
CMYKcmyk(76%, 34.7%, 0%, 52.5%)
CIE-LABlab(32.33, -1.24, -28.68)
CIE-LCHlch(32.33, 28.70, 267.52°)
OKLaboklab(41.55% -0.0339 -0.0814)
OKLCHoklch(41.55% 0.088 247.4)
XYZxyz(6.7526, 7.2329, 19.1257)
Luminance0.0723 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4F79 #79471D
analogous
#1D7975 #1D4F79 #1D2179
triadic
#1D4F79 #791D4F #4F791D
tetradic
#1D4F79 #751D79 #79471D #21791D
square
#1D4F79 #751D79 #79471D #21791D
split-complementary
#1D4F79 #791D21 #79751D
monochromatic
#061019 #112F48 #1D4F79 #296FAA #3F8FD1

Accessibility & contrast

On white

8.58
#1D4F79 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#1D4F79 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F79
8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4F79#FFFFFF#000000##FFFFFF
##1D4F791.008.582.458.58
#FFFFFF8.581.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C517B
Deuteranopia (green-blind)
#2F4878
Tritanopia (blue-blind)
#00595E
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1d4f79;
/* rgb */ color: rgb(29, 79, 121);
/* oklch */ color: oklch(41.5% 0.088 247.4);
Tailwind
colors: {
  custom: {
    50: '#6680a0',
    500: '#1d4f79',
    950: '#000000',
  },
}
SCSS
$custom: #1d4f79;
$custom-light: #6680a0;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4f79",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 121
  },
  "hsl": {
    "h": 207.391,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41548,
    "c": 0.08816,
    "h": 247.4
  },
  "luminance": 0.07234
}

Semantic roles & 50–950 ramp

primary
#1D4F79
secondary
#AD7445
accent
#8D43E4
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#070A0E
muted
#7A7C7E

Preview Lab

Preview with #1D4F79

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4F79 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva