#133C57#133C57

#133C57 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.065 H 241.4°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX#133C57
RGBrgb(19, 60, 87)
HSLhsl(204, 64%, 21%)
HSVhsv(204, 78%, 34%)
CMYKcmyk(78.2%, 31%, 0%, 65.9%)
CIE-LABlab(23.86, -3.84, -20.31)
CIE-LCHlch(23.86, 20.67, 259.30°)
OKLaboklab(34.17% -0.0313 -0.0574)
OKLCHoklch(34.17% 0.065 241.4)
XYZxyz(3.6041, 4.0579, 9.6083)
Luminance0.0406 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133C57 #572E13
analogous
#135750 #133C57 #131A57
triadic
#133C57 #57133C #3C5713
tetradic
#133C57 #501357 #572E13 #1A5713
square
#133C57 #501357 #572E13 #1A5713
split-complementary
#133C57 #57131A #575013
monochromatic
#051119 #081925 #133C57 #1E5F89 #2981BB

Accessibility & contrast

On white

11.59
#133C57 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#133C57 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C57
11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133C57#FFFFFF#000000##FFFFFF
##133C571.0011.591.8111.59
#FFFFFF11.591.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#303C58
Deuteranopia (green-blind)
#263657
Tritanopia (blue-blind)
#004345
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #133c57;
/* rgb */ color: rgb(19, 60, 87);
/* oklch */ color: oklch(34.2% 0.065 241.4);
Tailwind
colors: {
  custom: {
    50: '#5b7186',
    500: '#133c57',
    950: '#000000',
  },
}
SCSS
$custom: #133c57;
$custom-light: #5b7186;
$custom-dark: #000000;
JSON
{
  "hex": "#133c57",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 87
  },
  "hsl": {
    "h": 203.824,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.34167,
    "c": 0.06536,
    "h": 241.4
  },
  "luminance": 0.04058
}

Semantic roles & 50–950 ramp

primary
#133C57
secondary
#8F5A36
accent
#8341E7
background
#F5F6F8
surface
#E9ECEF
border
#C5C7CA
text
#04070B
muted
#797A7C

Preview Lab

Preview with #133C57

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

Preview Lab → · Contrast checker → · Palette generator →

#133C57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva