#133A79#133A79

#133A79 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.116 H 259.8°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#133A79
RGB	rgb(19, 58, 121)
HSL	hsl(217, 73%, 27%)
HSV	hsv(217, 84%, 47%)
CMYK	cmyk(84.3%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(25.40, 11.77, -39.77)
CIE-LCH	lch(25.40, 41.48, 286.48°)
OKLab	oklab(36.07% -0.0206 -0.1145)
OKLCH	oklch(36.07% 0.116 259.8)
XYZ	xyz(5.2315, 4.5444, 18.6869)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A79 #795213

analogous

#136D79 #133A79 #1F1379

triadic

#133A79 #79133A #3A7913

tetradic

#133A79 #79136D #795213 #13791F

square

#133A79 #79136D #795213 #13791F

split-complementary

#133A79 #791F13 #6D7913

monochromatic

#040D1A #0B2144 #133A79 #1B53AE #296EDD

Accessibility & contrast

On white

11.00

#133A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#133A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A79

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A79	#FFFFFF	#000000	##FFFFFF
##133A79	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13417B

Deuteranopia (green-blind)

#003878

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133a79;
/* rgb */ color: rgb(19, 58, 121);
/* oklch */ color: oklch(36.1% 0.116 259.8);

Tailwind

colors: {
  custom: {
    50: '#646fa0',
    500: '#133a79',
    950: '#000000',
  },
}

SCSS

$custom: #133a79;
$custom-light: #646fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#133a79",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 217.059,
    "s": 72.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36066,
    "c": 0.11635,
    "h": 259.8
  },
  "luminance": 0.04545
}

Semantic roles & 50–950 ramp

primary

#133A79

secondary

#AF8239

accent

#A938F0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070F

muted

#7A7A7E

Preview Lab

Preview with #133A79

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

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