#143D90#143D90

#143D90 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.145 H 262.2°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#143D90
RGB	rgb(20, 61, 144)
HSL	hsl(220, 76%, 32%)
HSV	hsv(220, 86%, 56%)
CMYK	cmyk(86.1%, 57.6%, 0%, 43.5%)
CIE-LAB	lab(28.11, 19.34, -49.71)
CIE-LCH	lch(28.11, 53.34, 291.26°)
OKLab	oklab(38.71% -0.0196 -0.1436)
OKLCH	oklch(38.71% 0.145 262.2)
XYZ	xyz(6.9895, 5.4990, 27.0732)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D90 #906714

analogous

#147B90 #143D90 #291490

triadic

#143D90 #90143D #3D9014

tetradic

#143D90 #90147B #906714 #149029

square

#143D90 #90147B #906714 #149029

split-complementary

#143D90 #902914 #7B9014

monochromatic

#050F25 #0D265A #143D90 #1B54C6 #3B73E4

Accessibility & contrast

On white

10.00

#143D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#143D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D90

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D90	#FFFFFF	#000000	##FFFFFF
##143D90	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #143d90;
/* rgb */ color: rgb(20, 61, 144);
/* oklch */ color: oklch(38.7% 0.145 262.2);

Tailwind

colors: {
  custom: {
    50: '#6a71b1',
    500: '#143d90',
    950: '#000000',
  },
}

SCSS

$custom: #143d90;
$custom-light: #6a71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#143d90",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 144
  },
  "hsl": {
    "h": 220.161,
    "s": 75.61,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38708,
    "c": 0.14497,
    "h": 262.2
  },
  "luminance": 0.055
}

Semantic roles & 50–950 ramp

primary

#143D90

secondary

#C3973D

accent

#B436F2

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #143D90

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

Preview Lab → · Contrast checker → · Palette generator →