#143D7E#143D7E

#143D7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.119 H 259.5°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#143D7E
RGB	rgb(20, 61, 126)
HSL	hsl(217, 73%, 29%)
HSV	hsv(217, 84%, 49%)
CMYK	cmyk(84.1%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(26.71, 11.86, -40.80)
CIE-LCH	lch(26.71, 42.48, 286.21°)
OKLab	oklab(37.2% -0.0217 -0.1174)
OKLCH	oklch(37.2% 0.119 259.5)
XYZ	xyz(5.7218, 4.9919, 20.3966)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D7E #7E5514

analogous

#14727E #143D7E #20147E

triadic

#143D7E #7E143D #3D7E14

tetradic

#143D7E #7E1472 #7E5514 #147E20

square

#143D7E #7E1472 #7E5514 #147E20

split-complementary

#143D7E #7E2014 #727E14

monochromatic

#040D1A #0C2349 #143D7E #1C57B3 #2E72DE

Accessibility & contrast

On white

10.51

#143D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#143D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D7E

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D7E	#FFFFFF	#000000	##FFFFFF
##143D7E	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154480

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #143d7e;
/* rgb */ color: rgb(20, 61, 126);
/* oklch */ color: oklch(37.2% 0.119 259.5);

Tailwind

colors: {
  custom: {
    50: '#6571a4',
    500: '#143d7e',
    950: '#000000',
  },
}

SCSS

$custom: #143d7e;
$custom-light: #6571a4;
$custom-dark: #000000;

JSON

{
  "hex": "#143d7e",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 216.792,
    "s": 72.603,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37201,
    "c": 0.1194,
    "h": 259.5
  },
  "luminance": 0.04993
}

Semantic roles & 50–950 ramp

primary

#143D7E

secondary

#B3853A

accent

#A938EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #143D7E

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

Preview Lab → · Contrast checker → · Palette generator →