#143380#143380

#143380 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.135 H 264.0°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#143380
RGB	rgb(20, 51, 128)
HSL	hsl(223, 73%, 29%)
HSV	hsv(223, 84%, 50%)
CMYK	cmyk(84.4%, 60.2%, 0%, 49.8%)
CIE-LAB	lab(23.92, 19.78, -46.59)
CIE-LCH	lch(23.92, 50.61, 293.00°)
OKLab	oklab(35.13% -0.0141 -0.1347)
OKLCH	oklch(35.13% 0.135 264)
XYZ	xyz(5.3672, 4.0742, 20.9214)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143380 #806114

analogous

#146980 #143380 #2B1480

triadic

#143380 #801433 #338014

tetradic

#143380 #801469 #806114 #14802B

square

#143380 #801469 #806114 #14802B

split-complementary

#143380 #802B14 #698014

monochromatic

#040B1A #0C1E4B #143380 #1C48B5 #3062DF

Accessibility & contrast

On white

11.57

#143380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143380

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143380	#FFFFFF	#000000	##FFFFFF
##143380	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E83

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143380;
/* rgb */ color: rgb(20, 51, 128);
/* oklch */ color: oklch(35.1% 0.135 264.0);

Tailwind

colors: {
  custom: {
    50: '#666aa6',
    500: '#143380',
    950: '#000000',
  },
}

SCSS

$custom: #143380;
$custom-light: #666aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#143380",
  "rgb": {
    "r": 20,
    "g": 51,
    "b": 128
  },
  "hsl": {
    "h": 222.778,
    "s": 72.973,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3513,
    "c": 0.1354,
    "h": 264
  },
  "luminance": 0.04075
}

Semantic roles & 50–950 ramp

primary

#143380

secondary

#B5923B

accent

#BB38F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #143380

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

Preview Lab → · Contrast checker → · Palette generator →