#11305B#11305B

#11305B is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.2% C 0.085 H 257.4°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX#11305B
RGBrgb(17, 48, 91)
HSLhsl(215, 69%, 21%)
HSVhsv(215, 81%, 36%)
CMYKcmyk(81.3%, 47.3%, 0%, 64.3%)
CIE-LABlab(20.00, 5.89, -29.08)
CIE-LCHlch(20.00, 29.67, 281.45°)
OKLaboklab(31.2% -0.0186 -0.0833)
OKLCHoklch(31.2% 0.085 257.4)
XYZxyz(3.1758, 2.9880, 10.3049)
Luminance0.0299 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#11305B #5B3C11
analogous
#11555B #11305B #17115B
triadic
#11305B #5B1130 #305B11
tetradic
#11305B #5B1155 #5B3C11 #115B17
square
#11305B #5B1155 #5B3C11 #115B17
split-complementary
#11305B #5B1711 #555B11
monochromatic
#050E1A #071527 #11305B #1B4B8F #2466C2

Accessibility & contrast

On white

13.14
#11305B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#11305B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11305B
13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##11305B#FFFFFF#000000##FFFFFF
##11305B1.0013.141.6013.14
#FFFFFF13.141.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A345D
Deuteranopia (green-blind)
#0C2D5A
Tritanopia (blue-blind)
#003A41
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #11305b;
/* rgb */ color: rgb(17, 48, 91);
/* oklch */ color: oklch(31.2% 0.085 257.4);
Tailwind
colors: {
  custom: {
    50: '#5b678a',
    500: '#11305b',
    950: '#000000',
  },
}
SCSS
$custom: #11305b;
$custom-light: #5b678a;
$custom-dark: #000000;
JSON
{
  "hex": "#11305b",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 91
  },
  "hsl": {
    "h": 214.865,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31198,
    "c": 0.08534,
    "h": 257.4
  },
  "luminance": 0.02988
}

Semantic roles & 50–950 ramp

primary
#11305B
secondary
#946C34
accent
#A23CEB
background
#F5F6F8
surface
#E9EBF0
border
#C5C6CB
text
#04060B
muted
#797A7C

Preview Lab

Preview with #11305B

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

Preview Lab → · Contrast checker → · Palette generator →

#11305B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva