#133173#133173

#133173 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.5% C 0.120 H 263.1°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#133173
RGB	rgb(19, 49, 115)
HSL	hsl(221, 72%, 26%)
HSV	hsv(221, 83%, 45%)
CMYK	cmyk(83.5%, 57.4%, 0%, 54.9%)
CIE-LAB	lab(22.20, 15.68, -41.13)
CIE-LCH	lch(22.20, 44.01, 290.87°)
OKLab	oklab(33.49% -0.0144 -0.1187)
OKLCH	oklch(33.49% 0.12 263.1)
XYZ	xyz(4.4603, 3.5723, 16.6708)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133173 #735513

analogous

#136173 #133173 #251373

triadic

#133173 #731331 #317313

tetradic

#133173 #731361 #735513 #137325

square

#133173 #731361 #735513 #137325

split-complementary

#133173 #732513 #617313

monochromatic

#040B1A #0A1B3E #133173 #1C47A8 #255EDB

Accessibility & contrast

On white

12.25

#133173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#133173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133173

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133173	#FFFFFF	#000000	##FFFFFF
##133173	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A75

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00414D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #133173;
/* rgb */ color: rgb(19, 49, 115);
/* oklch */ color: oklch(33.5% 0.120 263.1);

Tailwind

colors: {
  custom: {
    50: '#62689c',
    500: '#133173',
    950: '#000000',
  },
}

SCSS

$custom: #133173;
$custom-light: #62689c;
$custom-dark: #000000;

JSON

{
  "hex": "#133173",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 115
  },
  "hsl": {
    "h": 221.25,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33488,
    "c": 0.11953,
    "h": 263.1
  },
  "luminance": 0.03573
}

Semantic roles & 50–950 ramp

primary

#133173

secondary

#AA8638

accent

#B639EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #133173

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

Preview Lab → · Contrast checker → · Palette generator →