#143178#143178

#143178 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.127 H 264.0°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#143178
RGB	rgb(20, 49, 120)
HSL	hsl(223, 71%, 27%)
HSV	hsv(223, 83%, 47%)
CMYK	cmyk(83.3%, 59.2%, 0%, 52.9%)
CIE-LAB	lab(22.66, 17.88, -43.58)
CIE-LCH	lch(22.66, 47.10, 292.31°)
OKLab	oklab(33.97% -0.0132 -0.1259)
OKLCH	oklch(33.97% 0.127 264)
XYZ	xyz(4.7758, 3.7008, 18.2283)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143178 #785B14

analogous

#146378 #143178 #291478

triadic

#143178 #781431 #317814

tetradic

#143178 #781463 #785B14 #147829

square

#143178 #781463 #785B14 #147829

split-complementary

#143178 #782914 #637814

monochromatic

#040B1A #0B1C44 #143178 #1D46AC #2B5EDC

Accessibility & contrast

On white

12.07

#143178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#143178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143178

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143178	#FFFFFF	#000000	##FFFFFF
##143178	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7A

Deuteranopia (green-blind)

#003277

Tritanopia (blue-blind)

#00434F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #143178;
/* rgb */ color: rgb(20, 49, 120);
/* oklch */ color: oklch(34.0% 0.127 264.0);

Tailwind

colors: {
  custom: {
    50: '#6468a0',
    500: '#143178',
    950: '#000000',
  },
}

SCSS

$custom: #143178;
$custom-light: #6468a0;
$custom-dark: #000000;

JSON

{
  "hex": "#143178",
  "rgb": {
    "r": 20,
    "g": 49,
    "b": 120
  },
  "hsl": {
    "h": 222.6,
    "s": 71.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.33971,
    "c": 0.12655,
    "h": 264
  },
  "luminance": 0.03701
}

Semantic roles & 50–950 ramp

primary

#143178

secondary

#AE8C3A

accent

#BA3AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #143178

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

Preview Lab → · Contrast checker → · Palette generator →