#133B5E#133B5E

#133B5E is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.076 H 248.5°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX#133B5E
RGBrgb(19, 59, 94)
HSLhsl(208, 66%, 22%)
HSVhsv(208, 80%, 37%)
CMYKcmyk(79.8%, 37.2%, 0%, 63.1%)
CIE-LABlab(23.91, -0.30, -24.81)
CIE-LCHlch(23.91, 24.81, 269.31°)
OKLaboklab(34.34% -0.0278 -0.0705)
OKLCHoklch(34.34% 0.076 248.5)
XYZxyz(3.8521, 4.0741, 11.1709)
Luminance0.0408 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133B5E #5E3613
analogous
#135E5C #133B5E #13155E
triadic
#133B5E #5E133B #3B5E13
tetradic
#133B5E #5C135E #5E3613 #155E13
square
#133B5E #5C135E #5E3613 #155E13
split-complementary
#133B5E #5E1315 #5E5C13
monochromatic
#051019 #091B2B #133B5E #1D5B91 #287BC4

Accessibility & contrast

On white

11.57
#133B5E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#133B5E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B5E
11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133B5E#FFFFFF#000000##FFFFFF
##133B5E1.0011.571.8211.57
#FFFFFF11.571.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B3D5F
Deuteranopia (green-blind)
#20365D
Tritanopia (blue-blind)
#004348
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #133b5e;
/* rgb */ color: rgb(19, 59, 94);
/* oklch */ color: oklch(34.3% 0.076 248.5);
Tailwind
colors: {
  custom: {
    50: '#5d708c',
    500: '#133b5e',
    950: '#000000',
  },
}
SCSS
$custom: #133b5e;
$custom-light: #5d708c;
$custom-dark: #000000;
JSON
{
  "hex": "#133b5e",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 94
  },
  "hsl": {
    "h": 208,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34337,
    "c": 0.07579,
    "h": 248.5
  },
  "luminance": 0.04075
}

Semantic roles & 50–950 ramp

primary
#133B5E
secondary
#966337
accent
#8E3FE9
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #133B5E

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

Preview Lab → · Contrast checker → · Palette generator →

#133B5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva