#133B85#133B85

#133B85 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.3% C 0.132 H 261.4°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#133B85
RGB	rgb(19, 59, 133)
HSL	hsl(219, 75%, 30%)
HSV	hsv(219, 86%, 52%)
CMYK	cmyk(85.7%, 55.6%, 0%, 47.8%)
CIE-LAB	lab(26.62, 16.10, -45.33)
CIE-LCH	lch(26.62, 48.10, 289.56°)
OKLab	oklab(37.29% -0.0199 -0.1308)
OKLCH	oklch(37.29% 0.132 261.4)
XYZ	xyz(6.0646, 4.9591, 22.8233)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B85 #855D13

analogous

#137485 #133B85 #241385

triadic

#133B85 #85133B #3B8513

tetradic

#133B85 #851374 #855D13 #138524

square

#133B85 #851374 #855D13 #138524

split-complementary

#133B85 #852413 #748513

monochromatic

#040C1B #0B234F #133B85 #1B53BB #316FE2

Accessibility & contrast

On white

10.54

#133B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#133B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B85

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B85	#FFFFFF	#000000	##FFFFFF
##133B85	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004488

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #133b85;
/* rgb */ color: rgb(19, 59, 133);
/* oklch */ color: oklch(37.3% 0.132 261.4);

Tailwind

colors: {
  custom: {
    50: '#6770a9',
    500: '#133b85',
    950: '#000000',
  },
}

SCSS

$custom: #133b85;
$custom-light: #6770a9;
$custom-dark: #000000;

JSON

{
  "hex": "#133b85",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 133
  },
  "hsl": {
    "h": 218.947,
    "s": 75,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37291,
    "c": 0.13231,
    "h": 261.4
  },
  "luminance": 0.0496
}

Semantic roles & 50–950 ramp

primary

#133B85

secondary

#BA8D3A

accent

#B036F2

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #133B85

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

Preview Lab → · Contrast checker → · Palette generator →