#133A5C#133A5C

#133A5C is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.074 H 248.3°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX#133A5C
RGBrgb(19, 58, 92)
HSLhsl(208, 66%, 22%)
HSVhsv(208, 79%, 36%)
CMYKcmyk(79.3%, 37%, 0%, 63.9%)
CIE-LABlab(23.46, -0.44, -24.22)
CIE-LCHlch(23.46, 24.22, 268.95°)
OKLaboklab(33.94% -0.0273 -0.0688)
OKLCHoklch(33.94% 0.074 248.3)
XYZxyz(3.7126, 3.9368, 10.6874)
Luminance0.0394 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133A5C #5C3513
analogous
#135C5A #133A5C #13165C
triadic
#133A5C #5C133A #3A5C13
tetradic
#133A5C #5A135C #5C3513 #165C13
square
#133A5C #5A135C #5C3513 #165C13
split-complementary
#133A5C #5C1316 #5C5A13
monochromatic
#051019 #091A29 #133A5C #1D5A8F #287AC1

Accessibility & contrast

On white

11.75
#133A5C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#133A5C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A5C
11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133A5C#FFFFFF#000000##FFFFFF
##133A5C1.0011.751.7911.75
#FFFFFF11.751.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A3C5D
Deuteranopia (green-blind)
#20355B
Tritanopia (blue-blind)
#004246
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #133a5c;
/* rgb */ color: rgb(19, 58, 92);
/* oklch */ color: oklch(33.9% 0.074 248.3);
Tailwind
colors: {
  custom: {
    50: '#5c6f8a',
    500: '#133a5c',
    950: '#000000',
  },
}
SCSS
$custom: #133a5c;
$custom-light: #5c6f8a;
$custom-dark: #000000;
JSON
{
  "hex": "#133a5c",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 92
  },
  "hsl": {
    "h": 207.945,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.33943,
    "c": 0.07404,
    "h": 248.3
  },
  "luminance": 0.03937
}

Semantic roles & 50–950 ramp

primary
#133A5C
secondary
#946237
accent
#8E3FE9
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #133A5C

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

Preview Lab → · Contrast checker → · Palette generator →

#133A5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva