#133873#133873

#133873 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.110 H 259.6°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#133873
RGB	rgb(19, 56, 115)
HSL	hsl(217, 72%, 26%)
HSV	hsv(217, 83%, 45%)
CMYK	cmyk(83.5%, 51.3%, 0%, 54.9%)
CIE-LAB	lab(24.33, 10.65, -37.68)
CIE-LCH	lch(24.33, 39.15, 285.79°)
OKLab	oklab(35.11% -0.0199 -0.1084)
OKLCH	oklch(35.11% 0.11 259.6)
XYZ	xyz(4.7761, 4.2040, 16.7761)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133873 #734E13

analogous

#136873 #133873 #1E1373

triadic

#133873 #731338 #387313

tetradic

#133873 #731368 #734E13 #13731E

square

#133873 #731368 #734E13 #13731E

split-complementary

#133873 #731E13 #687313

monochromatic

#040D1A #0A1E3E #133873 #1C52A8 #256BDB

Accessibility & contrast

On white

11.41

#133873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#133873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133873

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133873	#FFFFFF	#000000	##FFFFFF
##133873	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153E75

Deuteranopia (green-blind)

#003672

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133873;
/* rgb */ color: rgb(19, 56, 115);
/* oklch */ color: oklch(35.1% 0.110 259.6);

Tailwind

colors: {
  custom: {
    50: '#626e9c',
    500: '#133873',
    950: '#000000',
  },
}

SCSS

$custom: #133873;
$custom-light: #626e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#133873",
  "rgb": {
    "r": 19,
    "g": 56,
    "b": 115
  },
  "hsl": {
    "h": 216.875,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35112,
    "c": 0.11019,
    "h": 259.6
  },
  "luminance": 0.04205
}

Semantic roles & 50–950 ramp

primary

#133873

secondary

#AA7E38

accent

#A939EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133873

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

Preview Lab → · Contrast checker → · Palette generator →