#133D7E#133D7E

#133D7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.120 H 259.3°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX#133D7E
RGBrgb(19, 61, 126)
HSLhsl(216, 74%, 28%)
HSVhsv(216, 85%, 49%)
CMYKcmyk(84.9%, 51.6%, 0%, 50.6%)
CIE-LABlab(26.68, 11.76, -40.84)
CIE-LCHlch(26.68, 42.50, 286.06°)
OKLaboklab(37.17% -0.0223 -0.1176)
OKLCHoklch(37.17% 0.12 259.3)
XYZxyz(5.7018, 4.9816, 20.3956)
Luminance0.0498 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133D7E #7E5413
analogous
#13727E #133D7E #1F137E
triadic
#133D7E #7E133D #3D7E13
tetradic
#133D7E #7E1372 #7E5413 #137E1F
square
#133D7E #7E1372 #7E5413 #137E1F
split-complementary
#133D7E #7E1F13 #727E13
monochromatic
#040D1B #0B2349 #133D7E #1B57B3 #2C72DF

Accessibility & contrast

On white

10.52
#133D7E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#133D7E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D7E
10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133D7E#FFFFFF#000000##FFFFFF
##133D7E1.0010.522.0010.52
#FFFFFF10.521.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#154480
Deuteranopia (green-blind)
#003B7D
Tritanopia (blue-blind)
#004D57
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #133d7e;
/* rgb */ color: rgb(19, 61, 126);
/* oklch */ color: oklch(37.2% 0.120 259.3);
Tailwind
colors: {
  custom: {
    50: '#6571a4',
    500: '#133d7e',
    950: '#000000',
  },
}
SCSS
$custom: #133d7e;
$custom-light: #6571a4;
$custom-dark: #000000;
JSON
{
  "hex": "#133d7e",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 216.449,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3717,
    "c": 0.11967,
    "h": 259.3
  },
  "luminance": 0.04982
}

Semantic roles & 50–950 ramp

primary
#133D7E
secondary
#B48439
accent
#A837F0
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #133D7E

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

Preview Lab → · Contrast checker → · Palette generator →

#133D7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva