#1C5589#1C5589

#1C5589 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.104 H 249.8°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX#1C5589
RGBrgb(28, 85, 137)
HSLhsl(209, 66%, 32%)
HSVhsv(209, 80%, 54%)
CMYKcmyk(79.6%, 38%, 0%, 46.3%)
CIE-LABlab(35.10, 1.04, -34.16)
CIE-LCHlch(35.10, 34.18, 271.74°)
OKLaboklab(44.01% -0.0357 -0.0974)
OKLCHoklch(44.01% 0.104 249.8)
XYZxyz(8.2410, 8.5490, 24.8779)
Luminance0.0855 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5589 #89501C
analogous
#1C8987 #1C5589 #1C1E89
triadic
#1C5589 #891C55 #55891C
tetradic
#1C5589 #871C89 #89501C #1E891C
square
#1C5589 #871C89 #89501C #1E891C
split-complementary
#1C5589 #891C1E #89871C
monochromatic
#071623 #123556 #1C5589 #2675BC #4693D9

Accessibility & contrast

On white

7.75
#1C5589 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#1C5589 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5589
7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5589#FFFFFF#000000##FFFFFF
##1C55891.007.752.717.75
#FFFFFF7.751.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D588B
Deuteranopia (green-blind)
#2C4E88
Tritanopia (blue-blind)
#006168
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1c5589;
/* rgb */ color: rgb(28, 85, 137);
/* oklch */ color: oklch(44.0% 0.104 249.8);
Tailwind
colors: {
  custom: {
    50: '#6a84ac',
    500: '#1c5589',
    950: '#000000',
  },
}
SCSS
$custom: #1c5589;
$custom-light: #6a84ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5589",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 137
  },
  "hsl": {
    "h": 208.624,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44007,
    "c": 0.10371,
    "h": 249.8
  },
  "luminance": 0.0855
}

Semantic roles & 50–950 ramp

primary
#1C5589
secondary
#BB7E46
accent
#903FE9
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #1C5589

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5589 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva