#143B77#143B77

#143B77 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.112 H 259.1°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#143B77
RGB	rgb(20, 59, 119)
HSL	hsl(216, 71%, 27%)
HSV	hsv(216, 83%, 47%)
CMYK	cmyk(83.2%, 50.4%, 0%, 53.3%)
CIE-LAB	lab(25.59, 10.33, -38.20)
CIE-LCH	lch(25.59, 39.57, 285.13°)
OKLab	oklab(36.18% -0.0211 -0.1098)
OKLCH	oklch(36.18% 0.112 259.1)
XYZ	xyz(5.1810, 4.6079, 18.0655)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B77 #775014

analogous

#146C77 #143B77 #1F1477

triadic

#143B77 #77143B #3B7714

tetradic

#143B77 #77146C #775014 #14771F

square

#143B77 #77146C #775014 #14771F

split-complementary

#143B77 #771F14 #6C7714

monochromatic

#040D1A #0B2143 #143B77 #1D55AB #2A70DB

Accessibility & contrast

On white

10.93

#143B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#143B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B77

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B77	#FFFFFF	#000000	##FFFFFF
##143B77	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184179

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143b77;
/* rgb */ color: rgb(20, 59, 119);
/* oklch */ color: oklch(36.2% 0.112 259.1);

Tailwind

colors: {
  custom: {
    50: '#63709f',
    500: '#143b77',
    950: '#000000',
  },
}

SCSS

$custom: #143b77;
$custom-light: #63709f;
$custom-dark: #000000;

JSON

{
  "hex": "#143b77",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 119
  },
  "hsl": {
    "h": 216.364,
    "s": 71.223,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36176,
    "c": 0.11184,
    "h": 259.1
  },
  "luminance": 0.04609
}

Semantic roles & 50–950 ramp

primary

#143B77

secondary

#AD803A

accent

#A73AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143B77

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

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