#1D5F89#1D5F89

#1D5F89 is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.5% C 0.094 H 241.4°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX#1D5F89
RGBrgb(29, 95, 137)
HSLhsl(203, 65%, 33%)
HSVhsv(203, 79%, 54%)
CMYKcmyk(78.8%, 30.7%, 0%, 46.3%)
CIE-LABlab(38.29, -5.16, -29.13)
CIE-LCHlch(38.29, 29.58, 259.95°)
OKLaboklab(46.53% -0.045 -0.0825)
OKLCHoklch(46.53% 0.094 241.4)
XYZxyz(9.1125, 10.2507, 25.1604)
Luminance0.1025 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5F89 #89471D
analogous
#1D897D #1D5F89 #1D2989
triadic
#1D5F89 #891D5F #5F891D
tetradic
#1D5F89 #7D1D89 #89471D #29891D
square
#1D5F89 #7D1D89 #89471D #29891D
split-complementary
#1D5F89 #891D29 #897D1D
monochromatic
#081924 #123C56 #1D5F89 #2882BC #48A0D8

Accessibility & contrast

On white

6.88
#1D5F89 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#1D5F89 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5F89
6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5F89#FFFFFF#000000##FFFFFF
##1D5F891.006.883.056.88
#FFFFFF6.881.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B608B
Deuteranopia (green-blind)
#3D5688
Tritanopia (blue-blind)
#00696E
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #1d5f89;
/* rgb */ color: rgb(29, 95, 137);
/* oklch */ color: oklch(46.5% 0.094 241.4);
Tailwind
colors: {
  custom: {
    50: '#6a8cab',
    500: '#1d5f89',
    950: '#000000',
  },
}
SCSS
$custom: #1d5f89;
$custom-light: #6a8cab;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5f89",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 137
  },
  "hsl": {
    "h": 203.333,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.46527,
    "c": 0.09395,
    "h": 241.4
  },
  "luminance": 0.10252
}

Semantic roles & 50–950 ramp

primary
#1D5F89
secondary
#BA7447
accent
#8140E8
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C10
muted
#7A7D7F

Preview Lab

Preview with #1D5F89

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5F89 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva