#143F77#143F77

#143F77 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 37.1% C 0.107 H 256.7°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#143F77
RGB	rgb(20, 63, 119)
HSL	hsl(214, 71%, 27%)
HSV	hsv(214, 83%, 47%)
CMYK	cmyk(83.2%, 47.1%, 0%, 53.3%)
CIE-LAB	lab(26.83, 7.52, -36.19)
CIE-LCH	lch(26.83, 36.96, 281.74°)
OKLab	oklab(37.14% -0.0246 -0.1038)
OKLCH	oklch(37.14% 0.107 256.7)
XYZ	xyz(5.3945, 5.0350, 18.1367)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F77 #774C14

analogous

#147177 #143F77 #1A1477

triadic

#143F77 #77143F #3F7714

tetradic

#143F77 #771471 #774C14 #14771A

square

#143F77 #771471 #774C14 #14771A

split-complementary

#143F77 #771A14 #717714

monochromatic

#040E1A #0B2343 #143F77 #1D5BAB #2A77DB

Accessibility & contrast

On white

10.46

#143F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#143F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F77

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F77	#FFFFFF	#000000	##FFFFFF
##143F77	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214479

Deuteranopia (green-blind)

#0B3B76

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #143f77;
/* rgb */ color: rgb(20, 63, 119);
/* oklch */ color: oklch(37.1% 0.107 256.7);

Tailwind

colors: {
  custom: {
    50: '#63739f',
    500: '#143f77',
    950: '#000000',
  },
}

SCSS

$custom: #143f77;
$custom-light: #63739f;
$custom-dark: #000000;

JSON

{
  "hex": "#143f77",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 119
  },
  "hsl": {
    "h": 213.939,
    "s": 71.223,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37137,
    "c": 0.1067,
    "h": 256.7
  },
  "luminance": 0.05036
}

Semantic roles & 50–950 ramp

primary

#143F77

secondary

#AD7B3A

accent

#A03AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #143F77

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

Preview Lab → · Contrast checker → · Palette generator →