#133780#133780

#133780 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.130 H 262.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#133780
RGB	rgb(19, 55, 128)
HSL	hsl(220, 74%, 29%)
HSV	hsv(220, 85%, 50%)
CMYK	cmyk(85.2%, 57%, 0%, 49.8%)
CIE-LAB	lab(25.04, 16.84, -44.76)
CIE-LCH	lch(25.04, 47.82, 290.62°)
OKLab	oklab(35.97% -0.0175 -0.1292)
OKLCH	oklch(35.97% 0.13 262.3)
XYZ	xyz(5.5296, 4.4287, 20.9813)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133780 #805C13

analogous

#136E80 #133780 #251380

triadic

#133780 #801337 #378013

tetradic

#133780 #80136E #805C13 #138025

square

#133780 #80136E #805C13 #138025

split-complementary

#133780 #802513 #6E8013

monochromatic

#040B1B #0B204B #133780 #1B4EB5 #2D68E0

Accessibility & contrast

On white

11.14

#133780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#133780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133780

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133780	#FFFFFF	#000000	##FFFFFF
##133780	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004183

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133780;
/* rgb */ color: rgb(19, 55, 128);
/* oklch */ color: oklch(36.0% 0.130 262.3);

Tailwind

colors: {
  custom: {
    50: '#666da5',
    500: '#133780',
    950: '#000000',
  },
}

SCSS

$custom: #133780;
$custom-light: #666da5;
$custom-dark: #000000;

JSON

{
  "hex": "#133780",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 128
  },
  "hsl": {
    "h": 220.183,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35969,
    "c": 0.13041,
    "h": 262.3
  },
  "luminance": 0.04429
}

Semantic roles & 50–950 ramp

primary

#133780

secondary

#B58C39

accent

#B337F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #133780

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

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