#1D589C#1D589C

#1D589C is a mid, vivid cyan. Relative luminance 0.096; OKLCH L 46.0% C 0.126 H 254.7°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX#1D589C
RGBrgb(29, 88, 156)
HSLhsl(212, 69%, 36%)
HSVhsv(212, 81%, 61%)
CMYKcmyk(81.4%, 43.6%, 0%, 38.8%)
CIE-LABlab(37.19, 6.74, -42.34)
CIE-LCHlch(37.19, 42.87, 279.05°)
OKLaboklab(46.01% -0.0332 -0.1213)
OKLCHoklch(46.01% 0.126 254.7)
XYZxyz(9.9949, 9.6397, 32.7799)
Luminance0.0964 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D589C #9C611D
analogous
#1D989C #1D589C #221D9C
triadic
#1D589C #9C1D58 #589C1D
tetradic
#1D589C #9C1D98 #9C611D #1D9C22
square
#1D589C #9C1D98 #9C611D #1D9C22
split-complementary
#1D589C #9C221D #989C1D
monochromatic
#0A1E35 #133B68 #1D589C #2775D0 #5495DF

Accessibility & contrast

On white

7.17
#1D589C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.93
#1D589C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D589C
7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D589C#FFFFFF#000000##FFFFFF
##1D589C1.007.172.937.17
#FFFFFF7.171.0021.001.00
#0000002.9321.001.0021.00
##FFFFFF7.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#365E9F
Deuteranopia (green-blind)
#1E529B
Tritanopia (blue-blind)
#006872
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #1d589c;
/* rgb */ color: rgb(29, 88, 156);
/* oklch */ color: oklch(46.0% 0.126 254.7);
Tailwind
colors: {
  custom: {
    50: '#6e86ba',
    500: '#1d589c',
    950: '#000000',
  },
}
SCSS
$custom: #1d589c;
$custom-light: #6e86ba;
$custom-dark: #000000;
JSON
{
  "hex": "#1d589c",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 156
  },
  "hsl": {
    "h": 212.126,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46012,
    "c": 0.12574,
    "h": 254.7
  },
  "luminance": 0.09641
}

Semantic roles & 50–950 ramp

primary
#1D589C
secondary
#C28E52
accent
#9A3CEB
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080B11
muted
#7B7C80

Preview Lab

Preview with #1D589C

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

Preview Lab → · Contrast checker → · Palette generator →

#1D589C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva