#143E87#143E87

#143E87 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.131 H 260.7°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#143E87
RGB	rgb(20, 62, 135)
HSL	hsl(218, 74%, 30%)
HSV	hsv(218, 85%, 53%)
CMYK	cmyk(85.2%, 54.1%, 0%, 47.1%)
CIE-LAB	lab(27.69, 14.92, -44.83)
CIE-LCH	lch(27.69, 47.25, 288.40°)
OKLab	oklab(38.16% -0.0212 -0.1293)
OKLCH	oklch(38.16% 0.131 260.7)
XYZ	xyz(6.3827, 5.3425, 23.6118)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E87 #875D14

analogous

#147787 #143E87 #231487

triadic

#143E87 #87143E #3E8714

tetradic

#143E87 #871477 #875D14 #148723

square

#143E87 #871477 #875D14 #148723

split-complementary

#143E87 #872314 #778714

monochromatic

#040D1C #0C2652 #143E87 #1C56BC #3473E1

Accessibility & contrast

On white

10.15

#143E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#143E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E87

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E87	#FFFFFF	#000000	##FFFFFF
##143E87	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07478A

Deuteranopia (green-blind)

#003C86

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #143e87;
/* rgb */ color: rgb(20, 62, 135);
/* oklch */ color: oklch(38.2% 0.131 260.7);

Tailwind

colors: {
  custom: {
    50: '#6772ab',
    500: '#143e87',
    950: '#000000',
  },
}

SCSS

$custom: #143e87;
$custom-light: #6772ab;
$custom-dark: #000000;

JSON

{
  "hex": "#143e87",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 135
  },
  "hsl": {
    "h": 218.087,
    "s": 74.194,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38163,
    "c": 0.131,
    "h": 260.7
  },
  "luminance": 0.05343
}

Semantic roles & 50–950 ramp

primary

#143E87

secondary

#BB8D3B

accent

#AD37F1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #143E87

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

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