#133973#133973

#133973 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.109 H 259.0°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#133973
RGB	rgb(19, 57, 115)
HSL	hsl(216, 72%, 26%)
HSV	hsv(216, 83%, 45%)
CMYK	cmyk(83.5%, 50.4%, 0%, 54.9%)
CIE-LAB	lab(24.65, 9.94, -37.18)
CIE-LCH	lch(24.65, 38.48, 284.97°)
OKLab	oklab(35.35% -0.0208 -0.1069)
OKLCH	oklch(35.35% 0.109 259)
XYZ	xyz(4.8251, 4.3019, 16.7924)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133973 #734D13

analogous

#136973 #133973 #1D1373

triadic

#133973 #731339 #397313

tetradic

#133973 #731369 #734D13 #13731D

square

#133973 #731369 #734D13 #13731D

split-complementary

#133973 #731D13 #697313

monochromatic

#040D1A #0A1F3E #133973 #1C53A8 #256DDB

Accessibility & contrast

On white

11.29

#133973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#133973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133973

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133973	#FFFFFF	#000000	##FFFFFF
##133973	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183F75

Deuteranopia (green-blind)

#003672

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133973;
/* rgb */ color: rgb(19, 57, 115);
/* oklch */ color: oklch(35.4% 0.109 259.0);

Tailwind

colors: {
  custom: {
    50: '#626e9c',
    500: '#133973',
    950: '#000000',
  },
}

SCSS

$custom: #133973;
$custom-light: #626e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#133973",
  "rgb": {
    "r": 19,
    "g": 57,
    "b": 115
  },
  "hsl": {
    "h": 216.25,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.3535,
    "c": 0.10887,
    "h": 259
  },
  "luminance": 0.04303
}

Semantic roles & 50–950 ramp

primary

#133973

secondary

#AA7D38

accent

#A739EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133973

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

Preview Lab → · Contrast checker → · Palette generator →