#143F90#143F90

#143F90 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.142 H 261.6°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#143F90
RGB	rgb(20, 63, 144)
HSL	hsl(219, 76%, 32%)
HSV	hsv(219, 86%, 56%)
CMYK	cmyk(86.1%, 56.3%, 0%, 43.5%)
CIE-LAB	lab(28.69, 17.95, -48.78)
CIE-LCH	lch(28.69, 51.97, 290.20°)
OKLab	oklab(39.14% -0.0209 -0.1409)
OKLCH	oklch(39.14% 0.142 261.6)
XYZ	xyz(7.0982, 5.7165, 27.1094)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F90 #906514

analogous

#147D90 #143F90 #271490

triadic

#143F90 #90143F #3F9014

tetradic

#143F90 #90147D #906514 #149027

square

#143F90 #90147D #906514 #149027

split-complementary

#143F90 #902714 #7D9014

monochromatic

#051025 #0D275A #143F90 #1B57C6 #3B75E4

Accessibility & contrast

On white

9.80

#143F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#143F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F90

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F90	#FFFFFF	#000000	##FFFFFF
##143F90	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #143f90;
/* rgb */ color: rgb(20, 63, 144);
/* oklch */ color: oklch(39.1% 0.142 261.6);

Tailwind

colors: {
  custom: {
    50: '#6a73b1',
    500: '#143f90',
    950: '#000000',
  },
}

SCSS

$custom: #143f90;
$custom-light: #6a73b1;
$custom-dark: #000000;

JSON

{
  "hex": "#143f90",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 144
  },
  "hsl": {
    "h": 219.194,
    "s": 75.61,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39143,
    "c": 0.1424,
    "h": 261.6
  },
  "luminance": 0.05717
}

Semantic roles & 50–950 ramp

primary

#143F90

secondary

#C3953D

accent

#B136F2

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080811

muted

#7A7B80

Preview Lab

Preview with #143F90

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

Preview Lab → · Contrast checker → · Palette generator →