#143289#143289

#143289 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.149 H 264.9°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#143289
RGB	rgb(20, 50, 137)
HSL	hsl(225, 75%, 31%)
HSV	hsv(225, 85%, 54%)
CMYK	cmyk(85.4%, 63.5%, 0%, 46.3%)
CIE-LAB	lab(24.43, 24.16, -51.38)
CIE-LCH	lch(24.43, 56.78, 295.19°)
OKLab	oklab(35.77% -0.0133 -0.1487)
OKLCH	oklch(35.77% 0.149 264.9)
XYZ	xyz(5.9428, 4.2353, 24.1663)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143289 #896B14

analogous

#146C89 #143289 #301489

triadic

#143289 #891432 #328914

tetradic

#143289 #89146C #896B14 #148930

square

#143289 #89146C #896B14 #148930

split-complementary

#143289 #893014 #6C8914

monochromatic

#040B1E #0C1F54 #143289 #1C45BE #3662E2

Accessibility & contrast

On white

11.37

#143289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#143289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143289

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143289	#FFFFFF	#000000	##FFFFFF
##143289	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408C

Deuteranopia (green-blind)

#003587

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143289;
/* rgb */ color: rgb(20, 50, 137);
/* oklch */ color: oklch(35.8% 0.149 264.9);

Tailwind

colors: {
  custom: {
    50: '#6969ac',
    500: '#143289',
    950: '#000000',
  },
}

SCSS

$custom: #143289;
$custom-light: #6969ac;
$custom-dark: #000000;

JSON

{
  "hex": "#143289",
  "rgb": {
    "r": 20,
    "g": 50,
    "b": 137
  },
  "hsl": {
    "h": 224.615,
    "s": 74.522,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35765,
    "c": 0.14931,
    "h": 264.9
  },
  "luminance": 0.04236
}

Semantic roles & 50–950 ramp

primary

#143289

secondary

#BD9C3C

accent

#C137F1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #143289

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

Preview Lab → · Contrast checker → · Palette generator →