#143EA1#143EA1

#143EA1 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.167 H 263.4°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#143EA1
RGB	rgb(20, 62, 161)
HSL	hsl(222, 78%, 35%)
HSV	hsv(222, 88%, 63%)
CMYK	cmyk(87.6%, 61.5%, 0%, 36.9%)
CIE-LAB	lab(29.83, 25.55, -57.28)
CIE-LCH	lch(29.83, 62.72, 294.04°)
OKLab	oklab(40.45% -0.0193 -0.1658)
OKLCH	oklch(40.45% 0.167 263.4)
XYZ	xyz(8.4418, 6.1661, 34.4565)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143EA1 #A17714

analogous

#1484A1 #143EA1 #3114A1

triadic

#143EA1 #A1143E #3EA114

tetradic

#143EA1 #A11484 #A17714 #14A131

square

#143EA1 #A11484 #A17714 #14A131

split-complementary

#143EA1 #A13114 #84A114

monochromatic

#061434 #0D296B #143EA1 #1B53D7 #4777E8

Accessibility & contrast

On white

9.40

#143EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#143EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143EA1

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143EA1	#FFFFFF	#000000	##FFFFFF
##143EA1	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #143ea1;
/* rgb */ color: rgb(20, 62, 161);
/* oklch */ color: oklch(40.4% 0.167 263.4);

Tailwind

colors: {
  custom: {
    50: '#6f72be',
    500: '#143ea1',
    950: '#000000',
  },
}

SCSS

$custom: #143ea1;
$custom-light: #6f72be;
$custom-dark: #000000;

JSON

{
  "hex": "#143ea1",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 161
  },
  "hsl": {
    "h": 222.128,
    "s": 77.901,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40445,
    "c": 0.16694,
    "h": 263.4
  },
  "luminance": 0.06167
}

Semantic roles & 50–950 ramp

primary

#143EA1

secondary

#C9A348

accent

#BB33F4

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #143EA1

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

Preview Lab → · Contrast checker → · Palette generator →