#133A84#133A84

#133A84 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.0% C 0.132 H 261.6°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#133A84
RGB	rgb(19, 58, 132)
HSL	hsl(219, 75%, 30%)
HSV	hsv(219, 86%, 52%)
CMYK	cmyk(85.6%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(26.24, 16.39, -45.31)
CIE-LCH	lch(26.24, 48.18, 289.89°)
OKLab	oklab(36.98% -0.0193 -0.1308)
OKLCH	oklch(36.98% 0.132 261.6)
XYZ	xyz(5.9450, 4.8298, 22.4442)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A84 #845D13

analogous

#137384 #133A84 #251384

triadic

#133A84 #84133A #3A8413

tetradic

#133A84 #841373 #845D13 #138425

square

#133A84 #841373 #845D13 #138425

split-complementary

#133A84 #842513 #738413

monochromatic

#040C1B #0B224F #133A84 #1B52B9 #306DE1

Accessibility & contrast

On white

10.68

#133A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#133A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A84

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A84	#FFFFFF	#000000	##FFFFFF
##133A84	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003983

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #133a84;
/* rgb */ color: rgb(19, 58, 132);
/* oklch */ color: oklch(37.0% 0.132 261.6);

Tailwind

colors: {
  custom: {
    50: '#676fa8',
    500: '#133a84',
    950: '#000000',
  },
}

SCSS

$custom: #133a84;
$custom-light: #676fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#133a84",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 219.292,
    "s": 74.834,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36982,
    "c": 0.13219,
    "h": 261.6
  },
  "luminance": 0.04831
}

Semantic roles & 50–950 ramp

primary

#133A84

secondary

#B98D3A

accent

#B136F1

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #133A84

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

Preview Lab → · Contrast checker → · Palette generator →