#143980#143980

#143980 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.4% C 0.128 H 261.7°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#143980
RGB	rgb(20, 57, 128)
HSL	hsl(219, 73%, 29%)
HSV	hsv(219, 84%, 50%)
CMYK	cmyk(84.4%, 55.5%, 0%, 49.8%)
CIE-LAB	lab(25.66, 15.52, -43.75)
CIE-LCH	lch(25.66, 46.42, 289.53°)
OKLab	oklab(36.45% -0.0183 -0.1262)
OKLCH	oklch(36.45% 0.128 261.7)
XYZ	xyz(5.6465, 4.6328, 21.0145)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143980 #805B14

analogous

#146F80 #143980 #251480

triadic

#143980 #801439 #398014

tetradic

#143980 #80146F #805B14 #148025

square

#143980 #80146F #805B14 #148025

split-complementary

#143980 #802514 #6F8014

monochromatic

#040C1A #0C214B #143980 #1C51B5 #306CDF

Accessibility & contrast

On white

10.90

#143980 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#143980 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143980

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143980	#FFFFFF	#000000	##FFFFFF
##143980	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004282

Deuteranopia (green-blind)

#00387F

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143980;
/* rgb */ color: rgb(20, 57, 128);
/* oklch */ color: oklch(36.4% 0.128 261.7);

Tailwind

colors: {
  custom: {
    50: '#666ea5',
    500: '#143980',
    950: '#000000',
  },
}

SCSS

$custom: #143980;
$custom-light: #666ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#143980",
  "rgb": {
    "r": 20,
    "g": 57,
    "b": 128
  },
  "hsl": {
    "h": 219.444,
    "s": 72.973,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36449,
    "c": 0.12752,
    "h": 261.7
  },
  "luminance": 0.04633
}

Semantic roles & 50–950 ramp

primary

#143980

secondary

#B58B3B

accent

#B138F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #143980

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

Preview Lab → · Contrast checker → · Palette generator →