#143366#143366

#143366 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.9% C 0.097 H 259.9°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#143366
RGB	rgb(20, 51, 102)
HSL	hsl(217, 67%, 24%)
HSV	hsv(217, 80%, 40%)
CMYK	cmyk(80.4%, 50%, 0%, 60%)
CIE-LAB	lab(21.85, 8.84, -33.30)
CIE-LCH	lch(21.85, 34.46, 284.87°)
OKLab	oklab(32.91% -0.0171 -0.0956)
OKLCH	oklch(32.91% 0.097 259.9)
XYZ	xyz(3.8697, 3.4752, 13.0346)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143366 #664714

analogous

#145C66 #143366 #1E1466

triadic

#143366 #661433 #336614

tetradic

#143366 #66145C #664714 #14661E

square

#143366 #66145C #664714 #14661E

split-complementary

#143366 #661E14 #5C6614

monochromatic

#050D1A #0A1933 #143366 #1E4D99 #2866CC

Accessibility & contrast

On white

12.39

#143366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#143366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143366

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143366	#FFFFFF	#000000	##FFFFFF
##143366	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173868

Deuteranopia (green-blind)

#033165

Tritanopia (blue-blind)

#003F47

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #143366;
/* rgb */ color: rgb(20, 51, 102);
/* oklch */ color: oklch(32.9% 0.097 259.9);

Tailwind

colors: {
  custom: {
    50: '#5f6a92',
    500: '#143366',
    950: '#000000',
  },
}

SCSS

$custom: #143366;
$custom-light: #5f6a92;
$custom-dark: #000000;

JSON

{
  "hex": "#143366",
  "rgb": {
    "r": 20,
    "g": 51,
    "b": 102
  },
  "hsl": {
    "h": 217.317,
    "s": 67.213,
    "l": 23.922
  },
  "oklch": {
    "l": 0.32914,
    "c": 0.0971,
    "h": 259.9
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#143366

secondary

#9D7739

accent

#A93EEA

background

#F5F6F9

surface

#EAEBF1

border

#C6C6CB

text

#05060D

muted

#797A7E

Preview Lab

Preview with #143366

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

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