#143A90#143A90

#143A90 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.149 H 263.2°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#143A90
RGB	rgb(20, 58, 144)
HSL	hsl(222, 76%, 32%)
HSV	hsv(222, 86%, 56%)
CMYK	cmyk(86.1%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(27.26, 21.43, -51.09)
CIE-LCH	lch(27.26, 55.41, 292.76°)
OKLab	oklab(38.07% -0.0177 -0.1478)
OKLCH	oklch(38.07% 0.149 263.2)
XYZ	xyz(6.8338, 5.1876, 27.0213)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A90 #906A14

analogous

#147890 #143A90 #2C1490

triadic

#143A90 #90143A #3A9014

tetradic

#143A90 #901478 #906A14 #14902C

square

#143A90 #901478 #906A14 #14902C

split-complementary

#143A90 #902C14 #789014

monochromatic

#050F25 #0D245A #143A90 #1B50C6 #3B6EE4

Accessibility & contrast

On white

10.31

#143A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#143A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A90

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A90	#FFFFFF	#000000	##FFFFFF
##143A90	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143a90;
/* rgb */ color: rgb(20, 58, 144);
/* oklch */ color: oklch(38.1% 0.149 263.2);

Tailwind

colors: {
  custom: {
    50: '#6a6fb1',
    500: '#143a90',
    950: '#000000',
  },
}

SCSS

$custom: #143a90;
$custom-light: #6a6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#143a90",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 221.613,
    "s": 75.61,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38069,
    "c": 0.14882,
    "h": 263.2
  },
  "luminance": 0.05188
}

Semantic roles & 50–950 ramp

primary

#143A90

secondary

#C39A3D

accent

#B836F2

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #143A90

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

Preview Lab → · Contrast checker → · Palette generator →