#133A72#133A72

#133A72 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.106 H 258.1°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#133A72
RGB	rgb(19, 58, 114)
HSL	hsl(215, 71%, 26%)
HSV	hsv(215, 83%, 45%)
CMYK	cmyk(83.3%, 49.1%, 0%, 55.3%)
CIE-LAB	lab(24.89, 8.81, -36.15)
CIE-LCH	lch(24.89, 37.21, 283.69°)
OKLab	oklab(35.51% -0.0218 -0.1038)
OKLCH	oklch(35.51% 0.106 258.1)
XYZ	xyz(4.8178, 4.3789, 16.5076)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A72 #724B13

analogous

#136972 #133A72 #1B1372

triadic

#133A72 #72133A #3A7213

tetradic

#133A72 #721369 #724B13 #13721B

square

#133A72 #721369 #724B13 #13721B

split-complementary

#133A72 #721B13 #697213

monochromatic

#040D1A #0A1F3E #133A72 #1C55A6 #256FDB

Accessibility & contrast

On white

11.20

#133A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#133A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A72

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A72	#FFFFFF	#000000	##FFFFFF
##133A72	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4074

Deuteranopia (green-blind)

#013771

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133a72;
/* rgb */ color: rgb(19, 58, 114);
/* oklch */ color: oklch(35.5% 0.106 258.1);

Tailwind

colors: {
  custom: {
    50: '#626f9b',
    500: '#133a72',
    950: '#000000',
  },
}

SCSS

$custom: #133a72;
$custom-light: #626f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#133a72",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 114
  },
  "hsl": {
    "h": 215.368,
    "s": 71.429,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35513,
    "c": 0.1061,
    "h": 258.1
  },
  "luminance": 0.04379
}

Semantic roles & 50–950 ramp

primary

#133A72

secondary

#A97A38

accent

#A43AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133A72

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

Preview Lab → · Contrast checker → · Palette generator →