#133A4E#133A4E

#133A4E is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.056 H 234.5°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX#133A4E
RGBrgb(19, 58, 78)
HSLhsl(200, 61%, 19%)
HSVhsv(200, 76%, 31%)
CMYKcmyk(75.6%, 25.6%, 0%, 69.4%)
CIE-LABlab(22.70, -6.11, -16.18)
CIE-LCHlch(22.70, 17.30, 249.30°)
OKLaboklab(33.09% -0.0324 -0.0455)
OKLCHoklch(33.09% 0.056 234.5)
XYZxyz(3.1562, 3.7143, 7.7568)
Luminance0.0372 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133A4E #4E2713
analogous
#134E45 #133A4E #131D4E
triadic
#133A4E #4E133A #3A4E13
tetradic
#133A4E #45134E #4E2713 #1D4E13
square
#133A4E #45134E #4E2713 #1D4E13
split-complementary
#133A4E #4E131D #4E4513
monochromatic
#061219 #07151D #133A4E #1F5F7F #2B83B0

Accessibility & contrast

On white

12.05
#133A4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.74
#133A4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A4E
12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133A4E#FFFFFF#000000##FFFFFF
##133A4E1.0012.051.7412.05
#FFFFFF12.051.0021.001.00
#0000001.7421.001.0021.00
##FFFFFF12.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#30394F
Deuteranopia (green-blind)
#28344E
Tritanopia (blue-blind)
#003F41
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #133a4e;
/* rgb */ color: rgb(19, 58, 78);
/* oklch */ color: oklch(33.1% 0.056 234.5);
Tailwind
colors: {
  custom: {
    50: '#59707f',
    500: '#133a4e',
    950: '#000000',
  },
}
SCSS
$custom: #133a4e;
$custom-light: #59707f;
$custom-dark: #000000;
JSON
{
  "hex": "#133a4e",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 200.339,
    "s": 60.825,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33094,
    "c": 0.05584,
    "h": 234.5
  },
  "luminance": 0.03715
}

Semantic roles & 50–950 ramp

primary
#133A4E
secondary
#875136
accent
#7A44E4
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #133A4E

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

Preview Lab → · Contrast checker → · Palette generator →

#133A4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva