#133F73#133F73

#133F73 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.8% C 0.101 H 255.1°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#133F73
RGBrgb(19, 63, 115)
HSLhsl(213, 72%, 26%)
HSVhsv(213, 83%, 45%)
CMYKcmyk(83.5%, 45.2%, 0%, 54.9%)
CIE-LABlab(26.54, 5.73, -34.14)
CIE-LCHlch(26.54, 34.62, 279.52°)
OKLaboklab(36.81% -0.026 -0.0978)
OKLCHoklch(36.81% 0.101 255.1)
XYZxyz(5.1394, 4.9306, 16.8972)
Luminance0.0493 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133F73 #734713
analogous
#136F73 #133F73 #171373
triadic
#133F73 #73133F #3F7313
tetradic
#133F73 #73136F #734713 #137317
square
#133F73 #73136F #734713 #137317
split-complementary
#133F73 #731713 #6F7313
monochromatic
#040E1A #0A223E #133F73 #1C5CA8 #2579DB

Accessibility & contrast

On white

10.57
#133F73 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#133F73 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F73
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133F73#FFFFFF#000000##FFFFFF
##133F731.0010.571.9910.57
#FFFFFF10.571.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#254375
Deuteranopia (green-blind)
#123B72
Tritanopia (blue-blind)
#004B53
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #133f73;
/* rgb */ color: rgb(19, 63, 115);
/* oklch */ color: oklch(36.8% 0.101 255.1);
Tailwind
colors: {
  custom: {
    50: '#62739c',
    500: '#133f73',
    950: '#000000',
  },
}
SCSS
$custom: #133f73;
$custom-light: #62739c;
$custom-dark: #000000;
JSON
{
  "hex": "#133f73",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 115
  },
  "hsl": {
    "h": 212.5,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36811,
    "c": 0.10122,
    "h": 255.1
  },
  "luminance": 0.04931
}

Semantic roles & 50–950 ramp

primary
#133F73
secondary
#AA7638
accent
#9B39EE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06080E
muted
#7A7B7E

Preview Lab

Preview with #133F73

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

Preview Lab → · Contrast checker → · Palette generator →

#133F73 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva