#143B90#143B90

#143B90 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.148 H 262.9°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#143B90
RGB	rgb(20, 59, 144)
HSL	hsl(221, 76%, 32%)
HSV	hsv(221, 86%, 56%)
CMYK	cmyk(86.1%, 59%, 0%, 43.5%)
CIE-LAB	lab(27.54, 20.74, -50.63)
CIE-LCH	lch(27.54, 54.72, 292.27°)
OKLab	oklab(38.28% -0.0183 -0.1464)
OKLCH	oklch(38.28% 0.148 262.9)
XYZ	xyz(6.8847, 5.2894, 27.0382)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B90 #906914

analogous

#147990 #143B90 #2B1490

triadic

#143B90 #90143B #3B9014

tetradic

#143B90 #901479 #906914 #14902B

square

#143B90 #901479 #906914 #14902B

split-complementary

#143B90 #902B14 #799014

monochromatic

#050F25 #0D255A #143B90 #1B51C6 #3B70E4

Accessibility & contrast

On white

10.20

#143B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#143B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B90

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B90	#FFFFFF	#000000	##FFFFFF
##143B90	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #143b90;
/* rgb */ color: rgb(20, 59, 144);
/* oklch */ color: oklch(38.3% 0.148 262.9);

Tailwind

colors: {
  custom: {
    50: '#6a70b1',
    500: '#143b90',
    950: '#000000',
  },
}

SCSS

$custom: #143b90;
$custom-light: #6a70b1;
$custom-dark: #000000;

JSON

{
  "hex": "#143b90",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 144
  },
  "hsl": {
    "h": 221.129,
    "s": 75.61,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38281,
    "c": 0.14753,
    "h": 262.9
  },
  "luminance": 0.0529
}

Semantic roles & 50–950 ramp

primary

#143B90

secondary

#C3993D

accent

#B736F2

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #143B90

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

Preview Lab → · Contrast checker → · Palette generator →