#143EA0#143EA0

#143EA0 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.166 H 263.3°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#143EA0
RGB	rgb(20, 62, 160)
HSL	hsl(222, 78%, 35%)
HSV	hsv(222, 88%, 63%)
CMYK	cmyk(87.5%, 61.2%, 0%, 37.3%)
CIE-LAB	lab(29.74, 25.15, -56.82)
CIE-LCH	lch(29.74, 62.13, 293.88°)
OKLab	oklab(40.35% -0.0193 -0.1645)
OKLCH	oklch(40.35% 0.166 263.3)
XYZ	xyz(8.3540, 6.1310, 33.9940)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143EA0 #A07614

analogous

#1484A0 #143EA0 #3014A0

triadic

#143EA0 #A0143E #3EA014

tetradic

#143EA0 #A01484 #A07614 #14A030

square

#143EA0 #A01484 #A07614 #14A030

split-complementary

#143EA0 #A03014 #84A014

monochromatic

#061433 #0D296A #143EA0 #1B53D6 #4677E8

Accessibility & contrast

On white

9.43

#143EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#143EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143EA0

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143EA0	#FFFFFF	#000000	##FFFFFF
##143EA0	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #143ea0;
/* rgb */ color: rgb(20, 62, 160);
/* oklch */ color: oklch(40.4% 0.166 263.3);

Tailwind

colors: {
  custom: {
    50: '#6e72bd',
    500: '#143ea0',
    950: '#000000',
  },
}

SCSS

$custom: #143ea0;
$custom-light: #6e72bd;
$custom-dark: #000000;

JSON

{
  "hex": "#143ea0",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 160
  },
  "hsl": {
    "h": 222,
    "s": 77.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40353,
    "c": 0.1656,
    "h": 263.3
  },
  "luminance": 0.06132
}

Semantic roles & 50–950 ramp

primary

#143EA0

secondary

#C9A247

accent

#BA34F4

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #143EA0

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

Preview Lab → · Contrast checker → · Palette generator →