#143666#143666

#143666 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.093 H 257.7°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#143666
RGB	rgb(20, 54, 102)
HSL	hsl(215, 67%, 24%)
HSV	hsv(215, 80%, 40%)
CMYK	cmyk(80.4%, 47.1%, 0%, 60%)
CIE-LAB	lab(22.81, 6.69, -31.76)
CIE-LCH	lch(22.81, 32.46, 281.90°)
OKLab	oklab(33.65% -0.0199 -0.091)
OKLCH	oklch(33.65% 0.093 257.7)
XYZ	xyz(4.0051, 3.7459, 13.0797)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143666 #664414

analogous

#145F66 #143666 #1B1466

triadic

#143666 #661436 #366614

tetradic

#143666 #66145F #664414 #14661B

square

#143666 #66145F #664414 #14661B

split-complementary

#143666 #661B14 #5F6614

monochromatic

#050E1A #0A1B33 #143666 #1E5199 #286CCC

Accessibility & contrast

On white

12.01

#143666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#143666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143666

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143666	#FFFFFF	#000000	##FFFFFF
##143666	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3A68

Deuteranopia (green-blind)

#0D3365

Tritanopia (blue-blind)

#004149

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #143666;
/* rgb */ color: rgb(20, 54, 102);
/* oklch */ color: oklch(33.7% 0.093 257.7);

Tailwind

colors: {
  custom: {
    50: '#5f6c92',
    500: '#143666',
    950: '#000000',
  },
}

SCSS

$custom: #143666;
$custom-light: #5f6c92;
$custom-dark: #000000;

JSON

{
  "hex": "#143666",
  "rgb": {
    "r": 20,
    "g": 54,
    "b": 102
  },
  "hsl": {
    "h": 215.122,
    "s": 67.213,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33653,
    "c": 0.09315,
    "h": 257.7
  },
  "luminance": 0.03746
}

Semantic roles & 50–950 ramp

primary

#143666

secondary

#9D7339

accent

#A33EEA

background

#F5F6F9

surface

#EAEBF1

border

#C6C6CB

text

#05060D

muted

#797A7E

Preview Lab

Preview with #143666

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

Preview Lab → · Contrast checker → · Palette generator →