#143B73#143B73

#143B73 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.106 H 258.1°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#143B73
RGB	rgb(20, 59, 115)
HSL	hsl(215, 70%, 26%)
HSV	hsv(215, 83%, 45%)
CMYK	cmyk(82.6%, 48.7%, 0%, 54.9%)
CIE-LAB	lab(25.30, 8.64, -36.12)
CIE-LCH	lch(25.30, 37.14, 283.45°)
OKLab	oklab(35.87% -0.0219 -0.1037)
OKLCH	oklch(35.87% 0.106 258.1)
XYZ	xyz(4.9458, 4.5139, 16.8269)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B73 #734C14

analogous

#146B73 #143B73 #1C1473

triadic

#143B73 #73143B #3B7314

tetradic

#143B73 #73146B #734C14 #14731C

square

#143B73 #73146B #734C14 #14731C

split-complementary

#143B73 #731C14 #6B7314

monochromatic

#050D1A #0B203F #143B73 #1D56A7 #2871DA

Accessibility & contrast

On white

11.04

#143B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#143B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B73

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B73	#FFFFFF	#000000	##FFFFFF
##143B73	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4175

Deuteranopia (green-blind)

#043872

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #143b73;
/* rgb */ color: rgb(20, 59, 115);
/* oklch */ color: oklch(35.9% 0.106 258.1);

Tailwind

colors: {
  custom: {
    50: '#62709c',
    500: '#143b73',
    950: '#000000',
  },
}

SCSS

$custom: #143b73;
$custom-light: #62709c;
$custom-dark: #000000;

JSON

{
  "hex": "#143b73",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 115
  },
  "hsl": {
    "h": 215.368,
    "s": 70.37,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35865,
    "c": 0.10598,
    "h": 258.1
  },
  "luminance": 0.04514
}

Semantic roles & 50–950 ramp

primary

#143B73

secondary

#A97B3A

accent

#A43BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143B73

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

Preview Lab → · Contrast checker → · Palette generator →