#133680#133680

#133680 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.7% C 0.132 H 262.7°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#133680
RGB	rgb(19, 54, 128)
HSL	hsl(221, 74%, 29%)
HSV	hsv(221, 85%, 50%)
CMYK	cmyk(85.2%, 57.8%, 0%, 49.8%)
CIE-LAB	lab(24.75, 17.55, -45.23)
CIE-LCH	lch(24.75, 48.52, 291.21°)
OKLab	oklab(35.75% -0.0168 -0.1306)
OKLCH	oklch(35.75% 0.132 262.7)
XYZ	xyz(5.4826, 4.3346, 20.9656)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133680 #805D13

analogous

#136D80 #133680 #271380

triadic

#133680 #801336 #368013

tetradic

#133680 #80136D #805D13 #138027

square

#133680 #80136D #805D13 #138027

split-complementary

#133680 #802713 #6D8013

monochromatic

#040B1B #0B204B #133680 #1B4CB5 #2D67E0

Accessibility & contrast

On white

11.25

#133680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#133680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133680

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133680	#FFFFFF	#000000	##FFFFFF
##133680	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004083

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133680;
/* rgb */ color: rgb(19, 54, 128);
/* oklch */ color: oklch(35.7% 0.132 262.7);

Tailwind

colors: {
  custom: {
    50: '#666ca5',
    500: '#133680',
    950: '#000000',
  },
}

SCSS

$custom: #133680;
$custom-light: #666ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#133680",
  "rgb": {
    "r": 19,
    "g": 54,
    "b": 128
  },
  "hsl": {
    "h": 220.734,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35748,
    "c": 0.13172,
    "h": 262.7
  },
  "luminance": 0.04335
}

Semantic roles & 50–950 ramp

primary

#133680

secondary

#B58E39

accent

#B537F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #133680

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

Preview Lab → · Contrast checker → · Palette generator →