#143381#143381

#143381 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.137 H 264.1°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#143381
RGB	rgb(20, 51, 129)
HSL	hsl(223, 73%, 29%)
HSV	hsv(223, 84%, 51%)
CMYK	cmyk(84.5%, 60.5%, 0%, 49.4%)
CIE-LAB	lab(24.00, 20.19, -47.08)
CIE-LCH	lch(24.00, 51.22, 293.21°)
OKLab	oklab(35.22% -0.0141 -0.1361)
OKLCH	oklch(35.22% 0.137 264.1)
XYZ	xyz(5.4334, 4.1007, 21.2698)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143381 #816214

analogous

#146A81 #143381 #2C1481

triadic

#143381 #811433 #338114

tetradic

#143381 #81146A #816214 #14812C

square

#143381 #81146A #816214 #14812C

split-complementary

#143381 #812C14 #6A8114

monochromatic

#040A1A #0C1E4C #143381 #1C48B6 #3062DF

Accessibility & contrast

On white

11.54

#143381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143381

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143381	#FFFFFF	#000000	##FFFFFF
##143381	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143381;
/* rgb */ color: rgb(20, 51, 129);
/* oklch */ color: oklch(35.2% 0.137 264.1);

Tailwind

colors: {
  custom: {
    50: '#676aa6',
    500: '#143381',
    950: '#000000',
  },
}

SCSS

$custom: #143381;
$custom-light: #676aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#143381",
  "rgb": {
    "r": 20,
    "g": 51,
    "b": 129
  },
  "hsl": {
    "h": 222.936,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35222,
    "c": 0.13683,
    "h": 264.1
  },
  "luminance": 0.04101
}

Semantic roles & 50–950 ramp

primary

#143381

secondary

#B6933B

accent

#BC38F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #143381

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

Preview Lab → · Contrast checker → · Palette generator →