#133E8C#133E8C

#133E8C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.138 H 261.2°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX#133E8C
RGBrgb(19, 62, 140)
HSLhsl(219, 76%, 31%)
HSVhsv(219, 86%, 55%)
CMYKcmyk(86.4%, 55.7%, 0%, 45.1%)
CIE-LABlab(28.05, 16.91, -47.34)
CIE-LCHlch(28.05, 50.27, 289.65°)
OKLaboklab(38.55% -0.0212 -0.1367)
OKLCHoklch(38.55% 0.138 261.2)
XYZxyz(6.7231, 5.4763, 25.5085)
Luminance0.0548 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133E8C #8C6113
analogous
#137A8C #133E8C #24138C
triadic
#133E8C #8C133E #3E8C13
tetradic
#133E8C #8C137A #8C6113 #138C24
square
#133E8C #8C137A #8C6113 #138C24
split-complementary
#133E8C #8C2413 #7A8C13
monochromatic
#040E20 #0C2656 #133E8C #1A56C2 #3674E4

Accessibility & contrast

On white

10.02
#133E8C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#133E8C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E8C
10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133E8C#FFFFFF#000000##FFFFFF
##133E8C1.0010.022.1010.02
#FFFFFF10.021.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF10.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00488F
Deuteranopia (green-blind)
#003D8A
Tritanopia (blue-blind)
#00515E
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #133e8c;
/* rgb */ color: rgb(19, 62, 140);
/* oklch */ color: oklch(38.6% 0.138 261.2);
Tailwind
colors: {
  custom: {
    50: '#6972ae',
    500: '#133e8c',
    950: '#000000',
  },
}
SCSS
$custom: #133e8c;
$custom-light: #6972ae;
$custom-dark: #000000;
JSON
{
  "hex": "#133e8c",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 140
  },
  "hsl": {
    "h": 218.678,
    "s": 76.101,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38554,
    "c": 0.13831,
    "h": 261.2
  },
  "luminance": 0.05477
}

Semantic roles & 50–950 ramp

primary
#133E8C
secondary
#C0913B
accent
#AF35F3
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #133E8C

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

Preview Lab → · Contrast checker → · Palette generator →

#133E8C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva