#143E9F#143E9F

#143E9F is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.164 H 263.2°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#143E9F
RGB	rgb(20, 62, 159)
HSL	hsl(222, 78%, 35%)
HSV	hsv(222, 87%, 62%)
CMYK	cmyk(87.4%, 61%, 0%, 37.6%)
CIE-LAB	lab(29.65, 24.75, -56.35)
CIE-LCH	lch(29.65, 61.55, 293.71°)
OKLab	oklab(40.26% -0.0193 -0.1631)
OKLCH	oklch(40.26% 0.164 263.2)
XYZ	xyz(8.2669, 6.0961, 33.5351)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E9F #9F7514

analogous

#14839F #143E9F #30149F

triadic

#143E9F #9F143E #3E9F14

tetradic

#143E9F #9F1483 #9F7514 #149F30

square

#143E9F #9F1483 #9F7514 #149F30

split-complementary

#143E9F #9F3014 #839F14

monochromatic

#061432 #0D2969 #143E9F #1B53D5 #4677E8

Accessibility & contrast

On white

9.46

#143E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#143E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E9F

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E9F	#FFFFFF	#000000	##FFFFFF
##143E9F	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00409D

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #143e9f;
/* rgb */ color: rgb(20, 62, 159);
/* oklch */ color: oklch(40.3% 0.164 263.2);

Tailwind

colors: {
  custom: {
    50: '#6e72bc',
    500: '#143e9f',
    950: '#000000',
  },
}

SCSS

$custom: #143e9f;
$custom-light: #6e72bc;
$custom-dark: #000000;

JSON

{
  "hex": "#143e9f",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 159
  },
  "hsl": {
    "h": 221.871,
    "s": 77.654,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40261,
    "c": 0.16425,
    "h": 263.2
  },
  "luminance": 0.06097
}

Semantic roles & 50–950 ramp

primary

#143E9F

secondary

#C8A146

accent

#BA34F4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #143E9F

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

Preview Lab → · Contrast checker → · Palette generator →