#1D5387#1D5387

#1D5387 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.4% C 0.103 H 250.8°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX#1D5387
RGBrgb(29, 83, 135)
HSLhsl(209, 65%, 32%)
HSVhsv(209, 79%, 53%)
CMYKcmyk(78.5%, 38.5%, 0%, 47.1%)
CIE-LABlab(34.39, 1.67, -34.07)
CIE-LCHlch(34.39, 34.11, 272.81°)
OKLaboklab(43.42% -0.0338 -0.0971)
OKLCHoklch(43.42% 0.103 250.8)
XYZxyz(7.9715, 8.1961, 24.0788)
Luminance0.0820 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5387 #87511D
analogous
#1D8786 #1D5387 #1D1E87
triadic
#1D5387 #871D53 #53871D
tetradic
#1D5387 #861D87 #87511D #1E871D
square
#1D5387 #861D87 #87511D #1E871D
split-complementary
#1D5387 #871D1E #87861D
monochromatic
#071522 #123455 #1D5387 #2872B9 #4791D7

Accessibility & contrast

On white

7.96
#1D5387 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#1D5387 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5387
7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5387#FFFFFF#000000##FFFFFF
##1D53871.007.962.647.96
#FFFFFF7.961.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B5689
Deuteranopia (green-blind)
#2B4C86
Tritanopia (blue-blind)
#005F66
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #1d5387;
/* rgb */ color: rgb(29, 83, 135);
/* oklch */ color: oklch(43.4% 0.103 250.8);
Tailwind
colors: {
  custom: {
    50: '#6983aa',
    500: '#1d5387',
    950: '#000000',
  },
}
SCSS
$custom: #1d5387;
$custom-light: #6983aa;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5387",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 135
  },
  "hsl": {
    "h": 209.434,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43419,
    "c": 0.10281,
    "h": 250.8
  },
  "luminance": 0.08197
}

Semantic roles & 50–950 ramp

primary
#1D5387
secondary
#B97F46
accent
#9240E8
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #1D5387

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5387 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva