#143689#143689

#143689 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.144 H 263.8°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#143689
RGB	rgb(20, 54, 137)
HSL	hsl(223, 75%, 31%)
HSV	hsv(223, 85%, 54%)
CMYK	cmyk(85.4%, 60.6%, 0%, 46.3%)
CIE-LAB	lab(25.54, 21.37, -49.57)
CIE-LCH	lch(25.54, 53.98, 293.32°)
OKLab	oklab(36.59% -0.0156 -0.1433)
OKLCH	oklch(36.59% 0.144 263.8)
XYZ	xyz(6.1214, 4.5924, 24.2259)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143689 #896714

analogous

#147089 #143689 #2C1489

triadic

#143689 #891436 #368914

tetradic

#143689 #891470 #896714 #14892C

square

#143689 #891470 #896714 #14892C

split-complementary

#143689 #892C14 #708914

monochromatic

#040C1E #0C2154 #143689 #1C4BBE #3668E2

Accessibility & contrast

On white

10.95

#143689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#143689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143689

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143689	#FFFFFF	#000000	##FFFFFF
##143689	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003787

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143689;
/* rgb */ color: rgb(20, 54, 137);
/* oklch */ color: oklch(36.6% 0.144 263.8);

Tailwind

colors: {
  custom: {
    50: '#696cac',
    500: '#143689',
    950: '#000000',
  },
}

SCSS

$custom: #143689;
$custom-light: #696cac;
$custom-dark: #000000;

JSON

{
  "hex": "#143689",
  "rgb": {
    "r": 20,
    "g": 54,
    "b": 137
  },
  "hsl": {
    "h": 222.564,
    "s": 74.522,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36591,
    "c": 0.1442,
    "h": 263.8
  },
  "luminance": 0.04593
}

Semantic roles & 50–950 ramp

primary

#143689

secondary

#BD983C

accent

#BB37F1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #143689

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

Preview Lab → · Contrast checker → · Palette generator →