#143E7C#143E7C

#143E7C is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.115 H 258.6°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#143E7C
RGB	rgb(20, 62, 124)
HSL	hsl(216, 72%, 28%)
HSV	hsv(216, 84%, 49%)
CMYK	cmyk(83.9%, 50%, 0%, 51.4%)
CIE-LAB	lab(26.87, 10.32, -39.28)
CIE-LCH	lch(26.87, 40.61, 284.72°)
OKLab	oklab(37.28% -0.0228 -0.1129)
OKLCH	oklch(37.28% 0.115 258.6)
XYZ	xyz(5.6479, 5.0485, 19.7417)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E7C #7C5214

analogous

#14727C #143E7C #1E147C

triadic

#143E7C #7C143E #3E7C14

tetradic

#143E7C #7C1472 #7C5214 #147C1E

square

#143E7C #7C1472 #7C5214 #147C1E

split-complementary

#143E7C #7C1E14 #727C14

monochromatic

#040D1A #0B2447 #143E7C #1D58B1 #2D74DD

Accessibility & contrast

On white

10.45

#143E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#143E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E7C

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E7C	#FFFFFF	#000000	##FFFFFF
##143E7C	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A457E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143e7c;
/* rgb */ color: rgb(20, 62, 124);
/* oklch */ color: oklch(37.3% 0.115 258.6);

Tailwind

colors: {
  custom: {
    50: '#6472a2',
    500: '#143e7c',
    950: '#000000',
  },
}

SCSS

$custom: #143e7c;
$custom-light: #6472a2;
$custom-dark: #000000;

JSON

{
  "hex": "#143e7c",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 124
  },
  "hsl": {
    "h": 215.769,
    "s": 72.222,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37279,
    "c": 0.11522,
    "h": 258.6
  },
  "luminance": 0.05049
}

Semantic roles & 50–950 ramp

primary

#143E7C

secondary

#B2813A

accent

#A539EF

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #143E7C

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

Preview Lab → · Contrast checker → · Palette generator →