#133D5E#133D5E

#133D5E is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.074 H 246.1°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX#133D5E
RGBrgb(19, 61, 94)
HSLhsl(206, 66%, 22%)
HSVhsv(206, 80%, 37%)
CMYKcmyk(79.8%, 35.1%, 0%, 63.1%)
CIE-LABlab(24.59, -1.66, -23.75)
CIE-LCHlch(24.59, 23.80, 266.01°)
OKLaboklab(34.87% -0.0299 -0.0674)
OKLCHoklch(34.87% 0.074 246.1)
XYZxyz(3.9569, 4.2836, 11.2058)
Luminance0.0428 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133D5E #5E3413
analogous
#135E5A #133D5E #13175E
triadic
#133D5E #5E133D #3D5E13
tetradic
#133D5E #5A135E #5E3413 #175E13
square
#133D5E #5A135E #5E3413 #175E13
split-complementary
#133D5E #5E1317 #5E5A13
monochromatic
#051119 #091C2B #133D5E #1D5E91 #287FC4

Accessibility & contrast

On white

11.31
#133D5E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#133D5E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D5E
11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133D5E#FFFFFF#000000##FFFFFF
##133D5E1.0011.311.8611.31
#FFFFFF11.311.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E3E5F
Deuteranopia (green-blind)
#23375D
Tritanopia (blue-blind)
#004549
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #133d5e;
/* rgb */ color: rgb(19, 61, 94);
/* oklch */ color: oklch(34.9% 0.074 246.1);
Tailwind
colors: {
  custom: {
    50: '#5d728c',
    500: '#133d5e',
    950: '#000000',
  },
}
SCSS
$custom: #133d5e;
$custom-light: #5d728c;
$custom-dark: #000000;
JSON
{
  "hex": "#133d5e",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 94
  },
  "hsl": {
    "h": 206.4,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34867,
    "c": 0.07372,
    "h": 246.1
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary
#133D5E
secondary
#966137
accent
#8A3FE9
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #133D5E

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

Preview Lab → · Contrast checker → · Palette generator →

#133D5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva