#1C5182#1C5182

#1C5182 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.6% C 0.099 H 249.9°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX#1C5182
RGBrgb(28, 81, 130)
HSLhsl(209, 65%, 31%)
HSVhsv(209, 78%, 51%)
CMYKcmyk(78.5%, 37.7%, 0%, 49%)
CIE-LABlab(33.44, 0.87, -32.50)
CIE-LCHlch(33.44, 32.51, 271.52°)
OKLaboklab(42.58% -0.0339 -0.0925)
OKLCHoklch(42.58% 0.099 249.9)
XYZxyz(7.4491, 7.7426, 22.2166)
Luminance0.0774 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5182 #824D1C
analogous
#1C8280 #1C5182 #1C1E82
triadic
#1C5182 #821C51 #51821C
tetradic
#1C5182 #801C82 #824D1C #1E821C
square
#1C5182 #801C82 #824D1C #1E821C
split-complementary
#1C5182 #821C1E #82801C
monochromatic
#06121D #113250 #1C5182 #2770B4 #428FD6

Accessibility & contrast

On white

8.24
#1C5182 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#1C5182 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5182
8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5182#FFFFFF#000000##FFFFFF
##1C51821.008.242.558.24
#FFFFFF8.241.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A5484
Deuteranopia (green-blind)
#2B4A81
Tritanopia (blue-blind)
#005D63
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1c5182;
/* rgb */ color: rgb(28, 81, 130);
/* oklch */ color: oklch(42.6% 0.099 249.9);
Tailwind
colors: {
  custom: {
    50: '#6881a6',
    500: '#1c5182',
    950: '#000000',
  },
}
SCSS
$custom: #1c5182;
$custom-light: #6881a6;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5182",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 130
  },
  "hsl": {
    "h": 208.824,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.42575,
    "c": 0.09854,
    "h": 249.9
  },
  "luminance": 0.07743
}

Semantic roles & 50–950 ramp

primary
#1C5182
secondary
#B57B44
accent
#9140E8
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1C5182

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5182 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva