#143E90#143E90

#143E90 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.144 H 261.9°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#143E90
RGB	rgb(20, 62, 144)
HSL	hsl(220, 76%, 32%)
HSV	hsv(220, 86%, 56%)
CMYK	cmyk(86.1%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(28.40, 18.65, -49.24)
CIE-LCH	lch(28.40, 52.66, 290.74°)
OKLab	oklab(38.92% -0.0202 -0.1422)
OKLCH	oklch(38.92% 0.144 261.9)
XYZ	xyz(7.0433, 5.6067, 27.0911)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E90 #906614

analogous

#147C90 #143E90 #281490

triadic

#143E90 #90143E #3E9014

tetradic

#143E90 #90147C #906614 #149028

square

#143E90 #90147C #906614 #149028

split-complementary

#143E90 #902814 #7C9014

monochromatic

#051025 #0D275A #143E90 #1B55C6 #3B74E4

Accessibility & contrast

On white

9.90

#143E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#143E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E90

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E90	#FFFFFF	#000000	##FFFFFF
##143E90	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #143e90;
/* rgb */ color: rgb(20, 62, 144);
/* oklch */ color: oklch(38.9% 0.144 261.9);

Tailwind

colors: {
  custom: {
    50: '#6a72b1',
    500: '#143e90',
    950: '#000000',
  },
}

SCSS

$custom: #143e90;
$custom-light: #6a72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#143e90",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 219.677,
    "s": 75.61,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38925,
    "c": 0.14368,
    "h": 261.9
  },
  "luminance": 0.05608
}

Semantic roles & 50–950 ramp

primary

#143E90

secondary

#C3963D

accent

#B236F2

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #143E90

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

Preview Lab → · Contrast checker → · Palette generator →