#133F57#133F57

#133F57 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.063 H 236.7°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX#133F57
RGBrgb(19, 63, 87)
HSLhsl(201, 64%, 21%)
HSVhsv(201, 78%, 34%)
CMYKcmyk(78.2%, 27.6%, 0%, 65.9%)
CIE-LABlab(24.89, -5.81, -18.70)
CIE-LCHlch(24.89, 19.58, 252.74°)
OKLaboklab(34.99% -0.0347 -0.0527)
OKLCHoklch(34.99% 0.063 236.7)
XYZxyz(3.7657, 4.3812, 9.6622)
Luminance0.0438 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133F57 #572B13
analogous
#13574D #133F57 #131D57
triadic
#133F57 #57133F #3F5713
tetradic
#133F57 #4D1357 #572B13 #1D5713
square
#133F57 #4D1357 #572B13 #1D5713
split-complementary
#133F57 #57131D #574D13
monochromatic
#051219 #081B25 #133F57 #1E6389 #2988BB

Accessibility & contrast

On white

11.19
#133F57 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#133F57 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F57
11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133F57#FFFFFF#000000##FFFFFF
##133F571.0011.191.8811.19
#FFFFFF11.191.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#343F58
Deuteranopia (green-blind)
#2A3857
Tritanopia (blue-blind)
#004547
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #133f57;
/* rgb */ color: rgb(19, 63, 87);
/* oklch */ color: oklch(35.0% 0.063 236.7);
Tailwind
colors: {
  custom: {
    50: '#5b7486',
    500: '#133f57',
    950: '#000000',
  },
}
SCSS
$custom: #133f57;
$custom-light: #5b7486;
$custom-dark: #000000;
JSON
{
  "hex": "#133f57",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 87
  },
  "hsl": {
    "h": 201.176,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.34985,
    "c": 0.06307,
    "h": 236.7
  },
  "luminance": 0.04382
}

Semantic roles & 50–950 ramp

primary
#133F57
secondary
#8F5636
accent
#7B41E7
background
#F5F7F8
surface
#E9EDEF
border
#C5C8CA
text
#04080B
muted
#797B7C

Preview Lab

Preview with #133F57

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

Preview Lab → · Contrast checker → · Palette generator →

#133F57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva