#1C5489#1C5489

#1C5489 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.105 H 250.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX#1C5489
RGBrgb(28, 84, 137)
HSLhsl(209, 66%, 32%)
HSVhsv(209, 80%, 54%)
CMYKcmyk(79.6%, 38.7%, 0%, 46.3%)
CIE-LABlab(34.79, 1.69, -34.66)
CIE-LCHlch(34.79, 34.70, 272.79°)
OKLaboklab(43.76% -0.0348 -0.0988)
OKLCHoklch(43.76% 0.105 250.6)
XYZxyz(8.1629, 8.3927, 24.8518)
Luminance0.0839 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5489 #89511C
analogous
#1C8987 #1C5489 #1C1E89
triadic
#1C5489 #891C54 #54891C
tetradic
#1C5489 #871C89 #89511C #1E891C
square
#1C5489 #871C89 #89511C #1E891C
split-complementary
#1C5489 #891C1E #89871C
monochromatic
#071623 #123556 #1C5489 #2673BC #4692D9

Accessibility & contrast

On white

7.84
#1C5489 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#1C5489 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5489
7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5489#FFFFFF#000000##FFFFFF
##1C54891.007.842.687.84
#FFFFFF7.841.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B578B
Deuteranopia (green-blind)
#2A4D88
Tritanopia (blue-blind)
#006168
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1c5489;
/* rgb */ color: rgb(28, 84, 137);
/* oklch */ color: oklch(43.8% 0.105 250.6);
Tailwind
colors: {
  custom: {
    50: '#6a83ac',
    500: '#1c5489',
    950: '#000000',
  },
}
SCSS
$custom: #1c5489;
$custom-light: #6a83ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5489",
  "rgb": {
    "r": 28,
    "g": 84,
    "b": 137
  },
  "hsl": {
    "h": 209.174,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43762,
    "c": 0.10477,
    "h": 250.6
  },
  "luminance": 0.08394
}

Semantic roles & 50–950 ramp

primary
#1C5489
secondary
#BB7F46
accent
#923FE9
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #1C5489

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5489 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva