#143CA0#143CA0

#143CA0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.168 H 263.8°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#143CA0
RGB	rgb(20, 60, 160)
HSL	hsl(223, 78%, 35%)
HSV	hsv(223, 88%, 63%)
CMYK	cmyk(87.5%, 62.5%, 0%, 37.3%)
CIE-LAB	lab(29.20, 26.51, -57.69)
CIE-LCH	lch(29.20, 63.50, 294.68°)
OKLab	oklab(39.95% -0.0183 -0.1671)
OKLCH	oklch(39.95% 0.168 263.8)
XYZ	xyz(8.2472, 5.9175, 33.9584)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143CA0 #A07814

analogous

#1482A0 #143CA0 #3214A0

triadic

#143CA0 #A0143C #3CA014

tetradic

#143CA0 #A01482 #A07814 #14A032

square

#143CA0 #A01482 #A07814 #14A032

split-complementary

#143CA0 #A03214 #82A014

monochromatic

#061333 #0D286A #143CA0 #1B50D6 #4675E8

Accessibility & contrast

On white

9.62

#143CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#143CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143CA0

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143CA0	#FFFFFF	#000000	##FFFFFF
##143CA0	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #143ca0;
/* rgb */ color: rgb(20, 60, 160);
/* oklch */ color: oklch(40.0% 0.168 263.8);

Tailwind

colors: {
  custom: {
    50: '#6f71bd',
    500: '#143ca0',
    950: '#000000',
  },
}

SCSS

$custom: #143ca0;
$custom-light: #6f71bd;
$custom-dark: #000000;

JSON

{
  "hex": "#143ca0",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 160
  },
  "hsl": {
    "h": 222.857,
    "s": 77.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39952,
    "c": 0.16808,
    "h": 263.8
  },
  "luminance": 0.05919
}

Semantic roles & 50–950 ramp

primary

#143CA0

secondary

#C9A447

accent

#BD34F4

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #143CA0

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

Preview Lab → · Contrast checker → · Palette generator →