#1C5699#1C5699

#1C5699 is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.3% C 0.124 H 254.7°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX#1C5699
RGBrgb(28, 86, 153)
HSLhsl(212, 69%, 35%)
HSVhsv(212, 82%, 60%)
CMYKcmyk(81.7%, 43.8%, 0%, 40%)
CIE-LABlab(36.37, 6.75, -41.85)
CIE-LCHlch(36.37, 42.39, 279.17°)
OKLaboklab(45.31% -0.0327 -0.1199)
OKLCHoklch(45.31% 0.124 254.7)
XYZxyz(9.5543, 9.2012, 31.4033)
Luminance0.0920 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5699 #995F1C
analogous
#1C9499 #1C5699 #201C99
triadic
#1C5699 #991C56 #56991C
tetradic
#1C5699 #991C94 #995F1C #1C9920
square
#1C5699 #991C94 #995F1C #1C9920
split-complementary
#1C5699 #99201C #94991C
monochromatic
#091C32 #133965 #1C5699 #2573CD #5093DF

Accessibility & contrast

On white

7.39
#1C5699 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.84
#1C5699 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5699
7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5699#FFFFFF#000000##FFFFFF
##1C56991.007.392.847.39
#FFFFFF7.391.0021.001.00
#0000002.8421.001.0021.00
##FFFFFF7.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#345C9C
Deuteranopia (green-blind)
#1C5098
Tritanopia (blue-blind)
#006670
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #1c5699;
/* rgb */ color: rgb(28, 86, 153);
/* oklch */ color: oklch(45.3% 0.124 254.7);
Tailwind
colors: {
  custom: {
    50: '#6d85b7',
    500: '#1c5699',
    950: '#000000',
  },
}
SCSS
$custom: #1c5699;
$custom-light: #6d85b7;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5699",
  "rgb": {
    "r": 28,
    "g": 86,
    "b": 153
  },
  "hsl": {
    "h": 212.16,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45308,
    "c": 0.12427,
    "h": 254.7
  },
  "luminance": 0.09202
}

Semantic roles & 50–950 ramp

primary
#1C5699
secondary
#C28D4F
accent
#9A3CEC
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080B11
muted
#7B7C80

Preview Lab

Preview with #1C5699

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5699 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva