#133A51#133A51

#133A51 is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.059 H 238.3°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX#133A51
RGBrgb(19, 58, 81)
HSLhsl(202, 62%, 20%)
HSVhsv(202, 77%, 32%)
CMYKcmyk(76.5%, 28.4%, 0%, 68.2%)
CIE-LABlab(22.86, -4.92, -17.93)
CIE-LCHlch(22.86, 18.60, 254.64°)
OKLaboklab(33.27% -0.0312 -0.0505)
OKLCHoklch(33.27% 0.059 238.3)
XYZxyz(3.2662, 3.7583, 8.3363)
Luminance0.0376 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133A51 #512A13
analogous
#135149 #133A51 #131B51
triadic
#133A51 #51133A #3A5113
tetradic
#133A51 #491351 #512A13 #1B5113
square
#133A51 #491351 #512A13 #1B5113
split-complementary
#133A51 #51131B #514913
monochromatic
#061219 #07171F #133A51 #1F5D83 #2A81B4

Accessibility & contrast

On white

11.99
#133A51 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#133A51 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A51
11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133A51#FFFFFF#000000##FFFFFF
##133A511.0011.991.7511.99
#FFFFFF11.991.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF11.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F3A52
Deuteranopia (green-blind)
#273451
Tritanopia (blue-blind)
#004042
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #133a51;
/* rgb */ color: rgb(19, 58, 81);
/* oklch */ color: oklch(33.3% 0.059 238.3);
Tailwind
colors: {
  custom: {
    50: '#5a7082',
    500: '#133a51',
    950: '#000000',
  },
}
SCSS
$custom: #133a51;
$custom-light: #5a7082;
$custom-dark: #000000;
JSON
{
  "hex": "#133a51",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 202.258,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.33265,
    "c": 0.05939,
    "h": 238.3
  },
  "luminance": 0.03759
}

Semantic roles & 50–950 ramp

primary
#133A51
secondary
#8A5536
accent
#7F43E5
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #133A51

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

Preview Lab → · Contrast checker → · Palette generator →

#133A51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva