#133C8E#133C8E

#133C8E is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.144 H 262.1°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX#133C8E
RGBrgb(19, 60, 142)
HSLhsl(220, 76%, 32%)
HSVhsv(220, 87%, 56%)
CMYKcmyk(86.6%, 57.7%, 0%, 44.3%)
CIE-LABlab(27.63, 19.13, -49.26)
CIE-LCHlch(27.63, 52.84, 291.23°)
OKLaboklab(38.29% -0.0197 -0.1423)
OKLCHoklch(38.29% 0.144 262.1)
XYZxyz(6.7651, 5.3223, 26.2567)
Luminance0.0532 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133C8E #8E6513
analogous
#137A8E #133C8E #28138E
triadic
#133C8E #8E133C #3C8E13
tetradic
#133C8E #8E137A #8E6513 #138E28
square
#133C8E #8E137A #8E6513 #138E28
split-complementary
#133C8E #8E2813 #7A8E13
monochromatic
#050E22 #0C2558 #133C8E #1A53C4 #3771E4

Accessibility & contrast

On white

10.17
#133C8E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#133C8E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C8E
10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133C8E#FFFFFF#000000##FFFFFF
##133C8E1.0010.172.0610.17
#FFFFFF10.171.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004791
Deuteranopia (green-blind)
#003C8C
Tritanopia (blue-blind)
#00515F
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #133c8e;
/* rgb */ color: rgb(19, 60, 142);
/* oklch */ color: oklch(38.3% 0.144 262.1);
Tailwind
colors: {
  custom: {
    50: '#6971b0',
    500: '#133c8e',
    950: '#000000',
  },
}
SCSS
$custom: #133c8e;
$custom-light: #6971b0;
$custom-dark: #000000;
JSON
{
  "hex": "#133c8e",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 142
  },
  "hsl": {
    "h": 220,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38289,
    "c": 0.1437,
    "h": 262.1
  },
  "luminance": 0.05323
}

Semantic roles & 50–950 ramp

primary
#133C8E
secondary
#C2953B
accent
#B435F3
background
#F6F6FA
surface
#ECECF5
border
#C7C7CF
text
#080710
muted
#7A7A7F

Preview Lab

Preview with #133C8E

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

Preview Lab → · Contrast checker → · Palette generator →

#133C8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva