#143C90#143C90

#143C90 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.146 H 262.5°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#143C90
RGB	rgb(20, 60, 144)
HSL	hsl(221, 76%, 32%)
HSV	hsv(221, 86%, 56%)
CMYK	cmyk(86.1%, 58.3%, 0%, 43.5%)
CIE-LAB	lab(27.83, 20.04, -50.17)
CIE-LCH	lch(27.83, 54.03, 291.77°)
OKLab	oklab(38.49% -0.019 -0.145)
OKLCH	oklch(38.49% 0.146 262.5)
XYZ	xyz(6.9366, 5.3932, 27.0555)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C90 #906814

analogous

#147A90 #143C90 #2A1490

triadic

#143C90 #90143C #3C9014

tetradic

#143C90 #90147A #906814 #14902A

square

#143C90 #90147A #906814 #14902A

split-complementary

#143C90 #902A14 #7A9014

monochromatic

#050F25 #0D265A #143C90 #1B52C6 #3B71E4

Accessibility & contrast

On white

10.10

#143C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#143C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C90

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C90	#FFFFFF	#000000	##FFFFFF
##143C90	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #143c90;
/* rgb */ color: rgb(20, 60, 144);
/* oklch */ color: oklch(38.5% 0.146 262.5);

Tailwind

colors: {
  custom: {
    50: '#6a71b1',
    500: '#143c90',
    950: '#000000',
  },
}

SCSS

$custom: #143c90;
$custom-light: #6a71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#143c90",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 144
  },
  "hsl": {
    "h": 220.645,
    "s": 75.61,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38494,
    "c": 0.14626,
    "h": 262.5
  },
  "luminance": 0.05394
}

Semantic roles & 50–950 ramp

primary

#143C90

secondary

#C3983D

accent

#B536F2

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #143C90

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

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