#133573#133573

#133573 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.114 H 261.2°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#133573
RGB	rgb(19, 53, 115)
HSL	hsl(219, 72%, 26%)
HSV	hsv(219, 83%, 45%)
CMYK	cmyk(83.5%, 53.9%, 0%, 54.9%)
CIE-LAB	lab(23.41, 12.80, -39.17)
CIE-LCH	lch(23.41, 41.21, 288.09°)
OKLab	oklab(34.41% -0.0175 -0.1128)
OKLCH	oklch(34.41% 0.114 261.2)
XYZ	xyz(4.6351, 3.9219, 16.7290)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133573 #735113

analogous

#136573 #133573 #211373

triadic

#133573 #731335 #357313

tetradic

#133573 #731365 #735113 #137321

square

#133573 #731365 #735113 #137321

split-complementary

#133573 #732113 #657313

monochromatic

#040C1A #0A1D3E #133573 #1C4DA8 #2566DB

Accessibility & contrast

On white

11.77

#133573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#133573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133573

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133573	#FFFFFF	#000000	##FFFFFF
##133573	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3C75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#00444E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133573;
/* rgb */ color: rgb(19, 53, 115);
/* oklch */ color: oklch(34.4% 0.114 261.2);

Tailwind

colors: {
  custom: {
    50: '#626b9c',
    500: '#133573',
    950: '#000000',
  },
}

SCSS

$custom: #133573;
$custom-light: #626b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#133573",
  "rgb": {
    "r": 19,
    "g": 53,
    "b": 115
  },
  "hsl": {
    "h": 218.75,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34405,
    "c": 0.11417,
    "h": 261.2
  },
  "luminance": 0.03922
}

Semantic roles & 50–950 ramp

primary

#133573

secondary

#AA8138

accent

#AE39EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #133573

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

Preview Lab → · Contrast checker → · Palette generator →