#133361#133361

#133361 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.5% C 0.090 H 257.9°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#133361
RGB	rgb(19, 51, 97)
HSL	hsl(215, 67%, 23%)
HSV	hsv(215, 80%, 38%)
CMYK	cmyk(80.4%, 47.4%, 0%, 62%)
CIE-LAB	lab(21.46, 6.58, -30.67)
CIE-LCH	lch(21.46, 31.37, 282.10°)
OKLab	oklab(32.49% -0.0188 -0.0879)
OKLCH	oklch(32.49% 0.09 257.9)
XYZ	xyz(3.6093, 3.3688, 11.7670)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133361 #614113

analogous

#135A61 #133361 #1A1361

triadic

#133361 #611333 #336113

tetradic

#133361 #61135A #614113 #13611A

square

#133361 #61135A #614113 #13611A

split-complementary

#133361 #611A13 #5A6113

monochromatic

#050D1A #09182E #133361 #1D4E94 #2769C7

Accessibility & contrast

On white

12.55

#133361 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#133361 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133361

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133361	#FFFFFF	#000000	##FFFFFF
##133361	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3763

Deuteranopia (green-blind)

#0C3060

Tritanopia (blue-blind)

#003E45

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #133361;
/* rgb */ color: rgb(19, 51, 97);
/* oklch */ color: oklch(32.5% 0.090 257.9);

Tailwind

colors: {
  custom: {
    50: '#5d6a8e',
    500: '#133361',
    950: '#000000',
  },
}

SCSS

$custom: #133361;
$custom-light: #5d6a8e;
$custom-dark: #000000;

JSON

{
  "hex": "#133361",
  "rgb": {
    "r": 19,
    "g": 51,
    "b": 97
  },
  "hsl": {
    "h": 215.385,
    "s": 67.241,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32488,
    "c": 0.08986,
    "h": 257.9
  },
  "luminance": 0.03369
}

Semantic roles & 50–950 ramp

primary

#133361

secondary

#997137

accent

#A33EEA

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #133361

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

Preview Lab → · Contrast checker → · Palette generator →