#1C5AAA#1C5AAA

#1C5AAA is a mid, vivid cyan. Relative luminance 0.105; OKLCH L 47.4% C 0.143 H 256.8°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#1C5AAA
RGBrgb(28, 90, 170)
HSLhsl(214, 72%, 39%)
HSVhsv(214, 84%, 67%)
CMYKcmyk(83.5%, 47.1%, 0%, 33.3%)
CIE-LABlab(38.66, 10.91, -48.34)
CIE-LCHlch(38.66, 49.55, 282.72°)
OKLaboklab(47.43% -0.0326 -0.1389)
OKLCHoklch(47.43% 0.143 256.8)
XYZxyz(11.3881, 10.4601, 39.4412)
Luminance0.1046 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5AAA #AA6C1C
analogous
#1CA1AA #1C5AAA #251CAA
triadic
#1C5AAA #AA1C5A #5AAA1C
tetradic
#1C5AAA #AA1CA1 #AA6C1C #1CAA25
square
#1C5AAA #AA1CA1 #AA6C1C #1CAA25
split-complementary
#1C5AAA #AA251C #A1AA1C
monochromatic
#0B2241 #133E75 #1C5AAA #2876DC #5C98E4

Accessibility & contrast

On white

6.79
#1C5AAA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#1C5AAA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5AAA
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5AAA#FFFFFF#000000##FFFFFF
##1C5AAA1.006.793.096.79
#FFFFFF6.791.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E62AD
Deuteranopia (green-blind)
#0255A8
Tritanopia (blue-blind)
#006D79
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #1c5aaa;
/* rgb */ color: rgb(28, 90, 170);
/* oklch */ color: oklch(47.4% 0.143 256.8);
Tailwind
colors: {
  custom: {
    50: '#7188c4',
    500: '#1c5aaa',
    950: '#000000',
  },
}
SCSS
$custom: #1c5aaa;
$custom-light: #7188c4;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5aaa",
  "rgb": {
    "r": 28,
    "g": 90,
    "b": 170
  },
  "hsl": {
    "h": 213.803,
    "s": 71.717,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47431,
    "c": 0.14266,
    "h": 256.8
  },
  "luminance": 0.10461
}

Semantic roles & 50–950 ramp

primary
#1C5AAA
secondary
#C8985A
accent
#9F39EE
background
#F7F8FC
surface
#EDEFF8
border
#C8CAD1
text
#090B13
muted
#7B7C82

Preview Lab

Preview with #1C5AAA

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5AAA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva