#143B72#143B72

#143B72 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.105 H 257.8°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#143B72
RGB	rgb(20, 59, 114)
HSL	hsl(215, 70%, 26%)
HSV	hsv(215, 82%, 45%)
CMYK	cmyk(82.5%, 48.2%, 0%, 55.3%)
CIE-LAB	lab(25.23, 8.22, -35.59)
CIE-LCH	lch(25.23, 36.53, 283.00°)
OKLab	oklab(35.79% -0.0221 -0.1022)
OKLCH	oklch(35.79% 0.105 257.8)
XYZ	xyz(4.8886, 4.4910, 16.5255)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B72 #724B14

analogous

#146A72 #143B72 #1C1472

triadic

#143B72 #72143B #3B7214

tetradic

#143B72 #72146A #724B14 #14721C

square

#143B72 #72146A #724B14 #14721C

split-complementary

#143B72 #721C14 #6A7214

monochromatic

#050D1A #0B203E #143B72 #1D56A6 #2771D9

Accessibility & contrast

On white

11.06

#143B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#143B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B72

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B72	#FFFFFF	#000000	##FFFFFF
##143B72	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4074

Deuteranopia (green-blind)

#063871

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #143b72;
/* rgb */ color: rgb(20, 59, 114);
/* oklch */ color: oklch(35.8% 0.105 257.8);

Tailwind

colors: {
  custom: {
    50: '#62709b',
    500: '#143b72',
    950: '#000000',
  },
}

SCSS

$custom: #143b72;
$custom-light: #62709b;
$custom-dark: #000000;

JSON

{
  "hex": "#143b72",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 114
  },
  "hsl": {
    "h": 215.106,
    "s": 70.149,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35788,
    "c": 0.10451,
    "h": 257.8
  },
  "luminance": 0.04492
}

Semantic roles & 50–950 ramp

primary

#143B72

secondary

#A87A39

accent

#A33BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143B72

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

Preview Lab → · Contrast checker → · Palette generator →