#143A72#143A72

#143A72 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.106 H 258.5°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#143A72
RGB	rgb(20, 58, 114)
HSL	hsl(216, 70%, 26%)
HSV	hsv(216, 82%, 45%)
CMYK	cmyk(82.5%, 49.1%, 0%, 55.3%)
CIE-LAB	lab(24.92, 8.92, -36.10)
CIE-LCH	lch(24.92, 37.18, 283.89°)
OKLab	oklab(35.55% -0.0212 -0.1037)
OKLCH	oklch(35.55% 0.106 258.5)
XYZ	xyz(4.8377, 4.3892, 16.5086)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A72 #724C14

analogous

#146972 #143A72 #1D1472

triadic

#143A72 #72143A #3A7214

tetradic

#143A72 #721469 #724C14 #14721D

square

#143A72 #721469 #724C14 #14721D

split-complementary

#143A72 #721D14 #697214

monochromatic

#050D1A #0B203E #143A72 #1D54A6 #276FD9

Accessibility & contrast

On white

11.18

#143A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#143A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A72

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A72	#FFFFFF	#000000	##FFFFFF
##143A72	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4074

Deuteranopia (green-blind)

#023771

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143a72;
/* rgb */ color: rgb(20, 58, 114);
/* oklch */ color: oklch(35.5% 0.106 258.5);

Tailwind

colors: {
  custom: {
    50: '#626f9b',
    500: '#143a72',
    950: '#000000',
  },
}

SCSS

$custom: #143a72;
$custom-light: #626f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#143a72",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 114
  },
  "hsl": {
    "h": 215.745,
    "s": 70.149,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35546,
    "c": 0.1058,
    "h": 258.5
  },
  "luminance": 0.0439
}

Semantic roles & 50–950 ramp

primary

#143A72

secondary

#A87C39

accent

#A53BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143A72

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

Preview Lab → · Contrast checker → · Palette generator →