#1C5984#1C5984

#1C5984 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.7% C 0.093 H 243.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX#1C5984
RGBrgb(28, 89, 132)
HSLhsl(205, 65%, 31%)
HSVhsv(205, 79%, 52%)
CMYKcmyk(78.8%, 32.6%, 0%, 48.2%)
CIE-LABlab(36.09, -3.48, -29.54)
CIE-LCHlch(36.09, 29.74, 263.29°)
OKLaboklab(44.7% -0.0412 -0.0838)
OKLCHoklch(44.7% 0.093 243.8)
XYZxyz(8.2145, 9.0566, 23.1405)
Luminance0.0906 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5984 #84471C
analogous
#1C847B #1C5984 #1C2584
triadic
#1C5984 #841C59 #59841C
tetradic
#1C5984 #7B1C84 #84471C #25841C
square
#1C5984 #7B1C84 #84471C #25841C
split-complementary
#1C5984 #841C25 #847B1C
monochromatic
#07151F #113752 #1C5984 #277BB6 #439AD7

Accessibility & contrast

On white

7.47
#1C5984 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.81
#1C5984 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5984
7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5984#FFFFFF#000000##FFFFFF
##1C59841.007.472.817.47
#FFFFFF7.471.0021.001.00
#0000002.8121.001.0021.00
##FFFFFF7.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#455A86
Deuteranopia (green-blind)
#375183
Tritanopia (blue-blind)
#006468
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1c5984;
/* rgb */ color: rgb(28, 89, 132);
/* oklch */ color: oklch(44.7% 0.093 243.8);
Tailwind
colors: {
  custom: {
    50: '#6987a8',
    500: '#1c5984',
    950: '#000000',
  },
}
SCSS
$custom: #1c5984;
$custom-light: #6987a8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5984",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 132
  },
  "hsl": {
    "h": 204.808,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.44698,
    "c": 0.09333,
    "h": 243.8
  },
  "luminance": 0.09058
}

Semantic roles & 50–950 ramp

primary
#1C5984
secondary
#B77445
accent
#8540E8
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1C5984

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5984 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva