#1D4D70#1D4D70

#1D4D70 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.5% C 0.078 H 243.7°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX#1D4D70
RGBrgb(29, 77, 112)
HSLhsl(205, 59%, 28%)
HSVhsv(205, 74%, 44%)
CMYKcmyk(74.1%, 31.2%, 0%, 56.1%)
CIE-LABlab(31.20, -3.45, -24.82)
CIE-LCHlch(31.20, 25.06, 262.09°)
OKLaboklab(40.5% -0.0347 -0.0702)
OKLCHoklch(40.5% 0.078 243.7)
XYZxyz(6.0841, 6.7381, 16.3060)
Luminance0.0674 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4D70 #70401D
analogous
#1D7069 #1D4D70 #1D2470
triadic
#1D4D70 #701D4D #4D701D
tetradic
#1D4D70 #691D70 #70401D #24701D
square
#1D4D70 #691D70 #70401D #24701D
split-complementary
#1D4D70 #701D24 #70691D
monochromatic
#061118 #102C3F #1D4D70 #2A6EA1 #3B8FCC

Accessibility & contrast

On white

8.94
#1D4D70 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#1D4D70 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D70
8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4D70#FFFFFF#000000##FFFFFF
##1D4D701.008.942.358.94
#FFFFFF8.941.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D4E72
Deuteranopia (green-blind)
#32466F
Tritanopia (blue-blind)
#005659
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #1d4d70;
/* rgb */ color: rgb(29, 77, 112);
/* oklch */ color: oklch(40.5% 0.078 243.7);
Tailwind
colors: {
  custom: {
    50: '#657e99',
    500: '#1d4d70',
    950: '#000000',
  },
}
SCSS
$custom: #1d4d70;
$custom-light: #657e99;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4d70",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 112
  },
  "hsl": {
    "h": 205.301,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40501,
    "c": 0.07829,
    "h": 243.7
  },
  "luminance": 0.06739
}

Semantic roles & 50–950 ramp

primary
#1D4D70
secondary
#A46D44
accent
#8846E2
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0E
muted
#7A7C7E

Preview Lab

Preview with #1D4D70

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4D70 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva