#1C5284#1C5284

#1C5284 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 43.0% C 0.100 H 250.0°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX#1C5284
RGBrgb(28, 82, 132)
HSLhsl(209, 65%, 31%)
HSVhsv(209, 79%, 52%)
CMYKcmyk(78.8%, 37.9%, 0%, 48.2%)
CIE-LABlab(33.87, 1.01, -33.05)
CIE-LCHlch(33.87, 33.06, 271.74°)
OKLaboklab(42.95% -0.0343 -0.0941)
OKLCHoklch(42.95% 0.1 250)
XYZxyz(7.6595, 7.9465, 22.9555)
Luminance0.0795 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5284 #844E1C
analogous
#1C8482 #1C5284 #1C1E84
triadic
#1C5284 #841C52 #52841C
tetradic
#1C5284 #821C84 #844E1C #1E841C
square
#1C5284 #821C84 #844E1C #1E841C
split-complementary
#1C5284 #841C1E #84821C
monochromatic
#07131F #113352 #1C5284 #2771B6 #4390D7

Accessibility & contrast

On white

8.11
#1C5284 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#1C5284 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5284
8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5284#FFFFFF#000000##FFFFFF
##1C52841.008.112.598.11
#FFFFFF8.111.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B5586
Deuteranopia (green-blind)
#2B4B83
Tritanopia (blue-blind)
#005E64
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1c5284;
/* rgb */ color: rgb(28, 82, 132);
/* oklch */ color: oklch(43.0% 0.100 250.0);
Tailwind
colors: {
  custom: {
    50: '#6882a8',
    500: '#1c5284',
    950: '#000000',
  },
}
SCSS
$custom: #1c5284;
$custom-light: #6882a8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5284",
  "rgb": {
    "r": 28,
    "g": 82,
    "b": 132
  },
  "hsl": {
    "h": 208.846,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.4295,
    "c": 0.10018,
    "h": 250
  },
  "luminance": 0.07947
}

Semantic roles & 50–950 ramp

primary
#1C5284
secondary
#B77C45
accent
#9140E8
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1C5284

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5284 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva