#133A6F#133A6F

#133A6F is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.3% C 0.102 H 257.3°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX#133A6F
RGBrgb(19, 58, 111)
HSLhsl(215, 71%, 25%)
HSVhsv(215, 83%, 44%)
CMYKcmyk(82.9%, 47.7%, 0%, 56.5%)
CIE-LABlab(24.68, 7.54, -34.57)
CIE-LCHlch(24.68, 35.39, 282.30°)
OKLaboklab(35.28% -0.0224 -0.0992)
OKLCHoklch(35.28% 0.102 257.3)
XYZxyz(4.6498, 4.3117, 15.6230)
Luminance0.0431 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133A6F #6F4813
analogous
#13686F #133A6F #1A136F
triadic
#133A6F #6F133A #3A6F13
tetradic
#133A6F #6F1368 #6F4813 #136F1A
square
#133A6F #6F1368 #6F4813 #136F1A
split-complementary
#133A6F #6F1A13 #686F13
monochromatic
#040E1A #0A1F3B #133A6F #1C55A3 #2571D8

Accessibility & contrast

On white

11.28
#133A6F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#133A6F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A6F
11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133A6F#FFFFFF#000000##FFFFFF
##133A6F1.0011.281.8611.28
#FFFFFF11.281.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E3F71
Deuteranopia (green-blind)
#08376E
Tritanopia (blue-blind)
#00474F
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #133a6f;
/* rgb */ color: rgb(19, 58, 111);
/* oklch */ color: oklch(35.3% 0.102 257.3);
Tailwind
colors: {
  custom: {
    50: '#616f99',
    500: '#133a6f',
    950: '#000000',
  },
}
SCSS
$custom: #133a6f;
$custom-light: #616f99;
$custom-dark: #000000;
JSON
{
  "hex": "#133a6f",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 111
  },
  "hsl": {
    "h": 214.565,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35283,
    "c": 0.10169,
    "h": 257.3
  },
  "luminance": 0.04312
}

Semantic roles & 50–950 ramp

primary
#133A6F
secondary
#A67738
accent
#A23AEE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #133A6F

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

Preview Lab → · Contrast checker → · Palette generator →

#133A6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva