#1D529C#1D529C

#1D529C is a dark, vivid cyan. Relative luminance 0.087; OKLCH L 44.6% C 0.133 H 257.8°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#1D529C
RGBrgb(29, 82, 156)
HSLhsl(215, 69%, 36%)
HSVhsv(215, 81%, 61%)
CMYKcmyk(81.4%, 47.4%, 0%, 38.8%)
CIE-LABlab(35.39, 10.71, -45.22)
CIE-LCHlch(35.39, 46.48, 283.33°)
OKLaboklab(44.62% -0.0282 -0.1299)
OKLCHoklch(44.62% 0.133 257.8)
XYZxyz(9.5225, 8.6950, 32.6225)
Luminance0.0870 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D529C #9C671D
analogous
#1D929C #1D529C #281D9C
triadic
#1D529C #9C1D52 #529C1D
tetradic
#1D529C #9C1D92 #9C671D #1D9C28
square
#1D529C #9C1D92 #9C671D #1D9C28
split-complementary
#1D529C #9C281D #929C1D
monochromatic
#0A1C35 #133768 #1D529C #276DD0 #548EDF

Accessibility & contrast

On white

7.67
#1D529C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#1D529C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D529C
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D529C#FFFFFF#000000##FFFFFF
##1D529C1.007.672.747.67
#FFFFFF7.671.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#29599F
Deuteranopia (green-blind)
#044E9B
Tritanopia (blue-blind)
#00646F
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1d529c;
/* rgb */ color: rgb(29, 82, 156);
/* oklch */ color: oklch(44.6% 0.133 257.8);
Tailwind
colors: {
  custom: {
    50: '#6e82ba',
    500: '#1d529c',
    950: '#000000',
  },
}
SCSS
$custom: #1d529c;
$custom-light: #6e82ba;
$custom-dark: #000000;
JSON
{
  "hex": "#1d529c",
  "rgb": {
    "r": 29,
    "g": 82,
    "b": 156
  },
  "hsl": {
    "h": 214.961,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.44621,
    "c": 0.13291,
    "h": 257.8
  },
  "luminance": 0.08696
}

Semantic roles & 50–950 ramp

primary
#1D529C
secondary
#C29452
accent
#A23CEB
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A11
muted
#7B7C80

Preview Lab

Preview with #1D529C

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

Preview Lab → · Contrast checker → · Palette generator →

#1D529C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva