#133B6D#133B6D

#133B6D is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.097 H 255.9°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX#133B6D
RGBrgb(19, 59, 109)
HSLhsl(213, 70%, 25%)
HSVhsv(213, 83%, 43%)
CMYKcmyk(82.6%, 45.9%, 0%, 57.3%)
CIE-LABlab(24.86, 5.99, -33.00)
CIE-LCHlch(24.86, 33.54, 280.28°)
OKLaboklab(35.38% -0.0237 -0.0945)
OKLCHoklch(35.38% 0.097 255.9)
XYZxyz(4.5918, 4.3700, 15.0665)
Luminance0.0437 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133B6D #6D4513
analogous
#13686D #133B6D #18136D
triadic
#133B6D #6D133B #3B6D13
tetradic
#133B6D #6D1368 #6D4513 #136D18
square
#133B6D #6D1368 #6D4513 #136D18
split-complementary
#133B6D #6D1813 #686D13
monochromatic
#050E1A #0A1F39 #133B6D #1C57A1 #2573D5

Accessibility & contrast

On white

11.20
#133B6D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#133B6D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B6D
11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133B6D#FFFFFF#000000##FFFFFF
##133B6D1.0011.201.8711.20
#FFFFFF11.201.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#223F6F
Deuteranopia (green-blind)
#10376C
Tritanopia (blue-blind)
#00474E
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #133b6d;
/* rgb */ color: rgb(19, 59, 109);
/* oklch */ color: oklch(35.4% 0.097 255.9);
Tailwind
colors: {
  custom: {
    50: '#607097',
    500: '#133b6d',
    950: '#000000',
  },
}
SCSS
$custom: #133b6d;
$custom-light: #607097;
$custom-dark: #000000;
JSON
{
  "hex": "#133b6d",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 109
  },
  "hsl": {
    "h": 213.333,
    "s": 70.313,
    "l": 25.098
  },
  "oklch": {
    "l": 0.3538,
    "c": 0.09748,
    "h": 255.9
  },
  "luminance": 0.04371
}

Semantic roles & 50–950 ramp

primary
#133B6D
secondary
#A47438
accent
#9E3BED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#05070D
muted
#7A7A7E

Preview Lab

Preview with #133B6D

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

Preview Lab → · Contrast checker → · Palette generator →

#133B6D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva