#1D4E74#1D4E74

#1D4E74 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.083 H 245.3°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#1D4E74
RGBrgb(29, 78, 116)
HSLhsl(206, 60%, 28%)
HSVhsv(206, 75%, 45%)
CMYKcmyk(75%, 32.8%, 0%, 54.5%)
CIE-LABlab(31.74, -2.54, -26.49)
CIE-LCHlch(31.74, 26.61, 264.52°)
OKLaboklab(40.99% -0.0344 -0.075)
OKLCHoklch(40.99% 0.083 245.3)
XYZxyz(6.3823, 6.9702, 17.5286)
Luminance0.0697 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4E74 #74431D
analogous
#1D746E #1D4E74 #1D2274
triadic
#1D4E74 #741D4E #4E741D
tetradic
#1D4E74 #6E1D74 #74431D #22741D
square
#1D4E74 #6E1D74 #74431D #22741D
split-complementary
#1D4E74 #741D22 #746E1D
monochromatic
#061018 #112D43 #1D4E74 #296FA5 #3D8FCE

Accessibility & contrast

On white

8.77
#1D4E74 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#1D4E74 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E74
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4E74#FFFFFF#000000##FFFFFF
##1D4E741.008.772.398.77
#FFFFFF8.771.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D4F76
Deuteranopia (green-blind)
#314773
Tritanopia (blue-blind)
#00575B
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #1d4e74;
/* rgb */ color: rgb(29, 78, 116);
/* oklch */ color: oklch(41.0% 0.083 245.3);
Tailwind
colors: {
  custom: {
    50: '#657f9c',
    500: '#1d4e74',
    950: '#000000',
  },
}
SCSS
$custom: #1d4e74;
$custom-light: #657f9c;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4e74",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 116
  },
  "hsl": {
    "h": 206.207,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40993,
    "c": 0.08255,
    "h": 245.3
  },
  "luminance": 0.06971
}

Semantic roles & 50–950 ramp

primary
#1D4E74
secondary
#A87045
accent
#8A45E3
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0E
muted
#7A7C7E

Preview Lab

Preview with #1D4E74

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4E74 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva