#1D5783#1D5783

#1D5783 is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.2% C 0.094 H 245.4°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX#1D5783
RGBrgb(29, 87, 131)
HSLhsl(206, 64%, 31%)
HSVhsv(206, 78%, 51%)
CMYKcmyk(77.9%, 33.6%, 0%, 48.6%)
CIE-LABlab(35.43, -2.47, -29.97)
CIE-LCHlch(35.43, 30.07, 265.29°)
OKLaboklab(44.17% -0.0389 -0.085)
OKLCHoklch(44.17% 0.094 245.4)
XYZxyz(8.0100, 8.7154, 22.7284)
Luminance0.0872 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5783 #83491D
analogous
#1D837C #1D5783 #1D2483
triadic
#1D5783 #831D57 #57831D
tetradic
#1D5783 #7C1D83 #83491D #24831D
square
#1D5783 #7C1D83 #83491D #24831D
split-complementary
#1D5783 #831D24 #837C1D
monochromatic
#07141F #123651 #1D5783 #2878B5 #4597D6

Accessibility & contrast

On white

7.66
#1D5783 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#1D5783 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5783
7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5783#FFFFFF#000000##FFFFFF
##1D57831.007.662.747.66
#FFFFFF7.661.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#435985
Deuteranopia (green-blind)
#344F82
Tritanopia (blue-blind)
#006267
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1d5783;
/* rgb */ color: rgb(29, 87, 131);
/* oklch */ color: oklch(44.2% 0.094 245.4);
Tailwind
colors: {
  custom: {
    50: '#6986a7',
    500: '#1d5783',
    950: '#000000',
  },
}
SCSS
$custom: #1d5783;
$custom-light: #6986a7;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5783",
  "rgb": {
    "r": 29,
    "g": 87,
    "b": 131
  },
  "hsl": {
    "h": 205.882,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.44166,
    "c": 0.09352,
    "h": 245.4
  },
  "luminance": 0.08716
}

Semantic roles & 50–950 ramp

primary
#1D5783
secondary
#B67646
accent
#8941E7
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1D5783

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5783 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva