#143D85#143D85

#143D85 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.8% C 0.129 H 260.8°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#143D85
RGB	rgb(20, 61, 133)
HSL	hsl(218, 74%, 30%)
HSV	hsv(218, 85%, 52%)
CMYK	cmyk(85%, 54.1%, 0%, 47.8%)
CIE-LAB	lab(27.24, 14.79, -44.32)
CIE-LCH	lch(27.24, 46.72, 288.45°)
OKLab	oklab(37.77% -0.0207 -0.1278)
OKLCH	oklch(37.77% 0.129 260.8)
XYZ	xyz(6.1893, 5.1789, 22.8592)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D85 #855C14

analogous

#147685 #143D85 #231485

triadic

#143D85 #85143D #3D8514

tetradic

#143D85 #851476 #855C14 #148523

square

#143D85 #851476 #855C14 #148523

split-complementary

#143D85 #852314 #768514

monochromatic

#040C1B #0C2550 #143D85 #1C55BA #3372E0

Accessibility & contrast

On white

10.31

#143D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#143D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D85

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D85	#FFFFFF	#000000	##FFFFFF
##143D85	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074688

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143d85;
/* rgb */ color: rgb(20, 61, 133);
/* oklch */ color: oklch(37.8% 0.129 260.8);

Tailwind

colors: {
  custom: {
    50: '#6771a9',
    500: '#143d85',
    950: '#000000',
  },
}

SCSS

$custom: #143d85;
$custom-light: #6771a9;
$custom-dark: #000000;

JSON

{
  "hex": "#143d85",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 133
  },
  "hsl": {
    "h": 218.23,
    "s": 73.856,
    "l": 30
  },
  "oklch": {
    "l": 0.37771,
    "c": 0.12946,
    "h": 260.8
  },
  "luminance": 0.0518
}

Semantic roles & 50–950 ramp

primary

#143D85

secondary

#BA8C3B

accent

#AD37F1

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #143D85

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

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