#133B7A#133B7A

#133B7A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.116 H 259.5°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX#133B7A
RGBrgb(19, 59, 122)
HSLhsl(217, 73%, 28%)
HSVhsv(217, 84%, 48%)
CMYKcmyk(84.4%, 51.6%, 0%, 52.2%)
CIE-LABlab(25.78, 11.48, -39.79)
CIE-LCHlch(25.78, 41.41, 286.10°)
OKLaboklab(36.38% -0.0213 -0.1145)
OKLCHoklch(36.38% 0.116 259.5)
XYZxyz(5.3441, 4.6709, 19.0285)
Luminance0.0467 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133B7A #7A5213
analogous
#136F7A #133B7A #1E137A
triadic
#133B7A #7A133B #3B7A13
tetradic
#133B7A #7A136F #7A5213 #137A1E
square
#133B7A #7A136F #7A5213 #137A1E
split-complementary
#133B7A #7A1E13 #6F7A13
monochromatic
#040D1A #0B2145 #133B7A #1B55AF #2A70DE

Accessibility & contrast

On white

10.86
#133B7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#133B7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B7A
10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133B7A#FFFFFF#000000##FFFFFF
##133B7A1.0010.861.9310.86
#FFFFFF10.861.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#14427C
Deuteranopia (green-blind)
#003979
Tritanopia (blue-blind)
#004A54
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #133b7a;
/* rgb */ color: rgb(19, 59, 122);
/* oklch */ color: oklch(36.4% 0.116 259.5);
Tailwind
colors: {
  custom: {
    50: '#6470a1',
    500: '#133b7a',
    950: '#000000',
  },
}
SCSS
$custom: #133b7a;
$custom-light: #6470a1;
$custom-dark: #000000;
JSON
{
  "hex": "#133b7a",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 122
  },
  "hsl": {
    "h": 216.699,
    "s": 73.05,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36381,
    "c": 0.11648,
    "h": 259.5
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary
#133B7A
secondary
#B08239
accent
#A838F0
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #133B7A

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

Preview Lab → · Contrast checker → · Palette generator →

#133B7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva