#143E7D#143E7D

#143E7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.117 H 258.8°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#143E7D
RGB	rgb(20, 62, 125)
HSL	hsl(216, 72%, 28%)
HSV	hsv(216, 84%, 49%)
CMYK	cmyk(84%, 50.4%, 0%, 51%)
CIE-LAB	lab(26.94, 10.74, -39.79)
CIE-LCH	lch(26.94, 41.22, 285.10°)
OKLab	oklab(37.36% -0.0226 -0.1144)
OKLCH	oklch(37.36% 0.117 258.8)
XYZ	xyz(5.7114, 5.0739, 20.0764)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E7D #7D5314

analogous

#14727D #143E7D #1E147D

triadic

#143E7D #7D143E #3E7D14

tetradic

#143E7D #7D1472 #7D5314 #147D1E

square

#143E7D #7D1472 #7D5314 #147D1E

split-complementary

#143E7D #7D1E14 #727D14

monochromatic

#040D1A #0C2448 #143E7D #1C58B2 #2E74DE

Accessibility & contrast

On white

10.42

#143E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#143E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E7D

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E7D	#FFFFFF	#000000	##FFFFFF
##143E7D	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19457F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143e7d;
/* rgb */ color: rgb(20, 62, 125);
/* oklch */ color: oklch(37.4% 0.117 258.8);

Tailwind

colors: {
  custom: {
    50: '#6572a3',
    500: '#143e7d',
    950: '#000000',
  },
}

SCSS

$custom: #143e7d;
$custom-light: #6572a3;
$custom-dark: #000000;

JSON

{
  "hex": "#143e7d",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 216,
    "s": 72.414,
    "l": 28.431
  },
  "oklch": {
    "l": 0.37357,
    "c": 0.11666,
    "h": 258.8
  },
  "luminance": 0.05075
}

Semantic roles & 50–950 ramp

primary

#143E7D

secondary

#B2823A

accent

#A639EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #143E7D

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

Preview Lab → · Contrast checker → · Palette generator →