#143478#143478

#143478 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.6% C 0.123 H 262.8°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#143478
RGB	rgb(20, 52, 120)
HSL	hsl(221, 71%, 27%)
HSV	hsv(221, 83%, 47%)
CMYK	cmyk(83.3%, 56.7%, 0%, 52.9%)
CIE-LAB	lab(23.54, 15.73, -42.14)
CIE-LCH	lch(23.54, 44.98, 290.47°)
OKLab	oklab(34.64% -0.0154 -0.1216)
OKLCH	oklch(34.64% 0.123 262.8)
XYZ	xyz(4.9054, 3.9602, 18.2715)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143478 #785814

analogous

#146678 #143478 #261478

triadic

#143478 #781434 #347814

tetradic

#143478 #781466 #785814 #147826

square

#143478 #781466 #785814 #147826

split-complementary

#143478 #782614 #667814

monochromatic

#040B1A #0B1D44 #143478 #1D4BAC #2B63DC

Accessibility & contrast

On white

11.72

#143478 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#143478 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143478

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143478	#FFFFFF	#000000	##FFFFFF
##143478	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7A

Deuteranopia (green-blind)

#003477

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143478;
/* rgb */ color: rgb(20, 52, 120);
/* oklch */ color: oklch(34.6% 0.123 262.8);

Tailwind

colors: {
  custom: {
    50: '#646aa0',
    500: '#143478',
    950: '#000000',
  },
}

SCSS

$custom: #143478;
$custom-light: #646aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#143478",
  "rgb": {
    "r": 20,
    "g": 52,
    "b": 120
  },
  "hsl": {
    "h": 220.8,
    "s": 71.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34637,
    "c": 0.12256,
    "h": 262.8
  },
  "luminance": 0.03961
}

Semantic roles & 50–950 ramp

primary

#143478

secondary

#AE893A

accent

#B43AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #143478

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

Preview Lab → · Contrast checker → · Palette generator →