#143378#143378

#143378 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.4% C 0.124 H 263.2°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#143378
RGB	rgb(20, 51, 120)
HSL	hsl(221, 71%, 27%)
HSV	hsv(221, 83%, 47%)
CMYK	cmyk(83.3%, 57.5%, 0%, 52.9%)
CIE-LAB	lab(23.24, 16.45, -42.62)
CIE-LCH	lch(23.24, 45.69, 291.10°)
OKLab	oklab(34.41% -0.0147 -0.123)
OKLCH	oklch(34.41% 0.124 263.2)
XYZ	xyz(4.8613, 3.8719, 18.2568)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143378 #785914

analogous

#146578 #143378 #271478

triadic

#143378 #781433 #337814

tetradic

#143378 #781465 #785914 #147827

square

#143378 #781465 #785914 #147827

split-complementary

#143378 #782714 #657814

monochromatic

#040B1A #0B1D44 #143378 #1D49AC #2B62DC

Accessibility & contrast

On white

11.83

#143378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#143378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143378

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143378	#FFFFFF	#000000	##FFFFFF
##143378	1.00	11.83	1.77	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7A

Deuteranopia (green-blind)

#003377

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143378;
/* rgb */ color: rgb(20, 51, 120);
/* oklch */ color: oklch(34.4% 0.124 263.2);

Tailwind

colors: {
  custom: {
    50: '#646aa0',
    500: '#143378',
    950: '#000000',
  },
}

SCSS

$custom: #143378;
$custom-light: #646aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#143378",
  "rgb": {
    "r": 20,
    "g": 51,
    "b": 120
  },
  "hsl": {
    "h": 221.4,
    "s": 71.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34413,
    "c": 0.12389,
    "h": 263.2
  },
  "luminance": 0.03872
}

Semantic roles & 50–950 ramp

primary

#143378

secondary

#AE8A3A

accent

#B63AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #143378

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

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