#133F66#133F66

#133F66 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.083 H 249.1°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX#133F66
RGBrgb(19, 63, 102)
HSLhsl(208, 69%, 24%)
HSVhsv(208, 81%, 40%)
CMYKcmyk(81.4%, 38.2%, 0%, 60%)
CIE-LABlab(25.72, 0.29, -27.13)
CIE-LCHlch(25.72, 27.13, 270.62°)
OKLaboklab(35.91% -0.0295 -0.0772)
OKLCHoklch(35.91% 0.083 249.1)
XYZxyz(4.4434, 4.6522, 13.2316)
Luminance0.0465 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133F66 #663A13
analogous
#136663 #133F66 #131566
triadic
#133F66 #66133F #3F6613
tetradic
#133F66 #631366 #663A13 #156613
square
#133F66 #631366 #663A13 #156613
split-complementary
#133F66 #661315 #666313
monochromatic
#05101A #091F32 #133F66 #1D5F9A #267FCD

Accessibility & contrast

On white

10.88
#133F66 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#133F66 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F66
10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133F66#FFFFFF#000000##FFFFFF
##133F661.0010.881.9310.88
#FFFFFF10.881.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D4168
Deuteranopia (green-blind)
#213965
Tritanopia (blue-blind)
#00484D
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #133f66;
/* rgb */ color: rgb(19, 63, 102);
/* oklch */ color: oklch(35.9% 0.083 249.1);
Tailwind
colors: {
  custom: {
    50: '#5f7392',
    500: '#133f66',
    950: '#000000',
  },
}
SCSS
$custom: #133f66;
$custom-light: #5f7392;
$custom-dark: #000000;
JSON
{
  "hex": "#133f66",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 102
  },
  "hsl": {
    "h": 208.193,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35909,
    "c": 0.08267,
    "h": 249.1
  },
  "luminance": 0.04653
}

Semantic roles & 50–950 ramp

primary
#133F66
secondary
#9D6737
accent
#8F3CEB
background
#F5F6F9
surface
#EAECF1
border
#C6C7CB
text
#05080D
muted
#797B7E

Preview Lab

Preview with #133F66

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

Preview Lab → · Contrast checker → · Palette generator →

#133F66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva