#143F71#143F71

#143F71 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.7% C 0.098 H 254.7°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#143F71
RGB	rgb(20, 63, 113)
HSL	hsl(212, 70%, 26%)
HSV	hsv(212, 82%, 44%)
CMYK	cmyk(82.3%, 44.2%, 0%, 55.7%)
CIE-LAB	lab(26.43, 5.01, -33.03)
CIE-LCH	lch(26.43, 33.41, 278.62°)
OKLab	oklab(36.7% -0.0259 -0.0945)
OKLCH	oklch(36.7% 0.098 254.7)
XYZ	xyz(5.0455, 4.8954, 16.2986)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F71 #714614

analogous

#146D71 #143F71 #171471

triadic

#143F71 #71143F #3F7114

tetradic

#143F71 #71146D #714614 #147117

square

#143F71 #71146D #714614 #147117

split-complementary

#143F71 #711714 #6D7114

monochromatic

#050E1A #0B223D #143F71 #1D5CA5 #2779D9

Accessibility & contrast

On white

10.61

#143F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#143F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F71

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F71	#FFFFFF	#000000	##FFFFFF
##143F71	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264373

Deuteranopia (green-blind)

#153B70

Tritanopia (blue-blind)

#004B52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #143f71;
/* rgb */ color: rgb(20, 63, 113);
/* oklch */ color: oklch(36.7% 0.098 254.7);

Tailwind

colors: {
  custom: {
    50: '#62739a',
    500: '#143f71',
    950: '#000000',
  },
}

SCSS

$custom: #143f71;
$custom-light: #62739a;
$custom-dark: #000000;

JSON

{
  "hex": "#143f71",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 113
  },
  "hsl": {
    "h": 212.258,
    "s": 69.925,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36698,
    "c": 0.09802,
    "h": 254.7
  },
  "luminance": 0.04896
}

Semantic roles & 50–950 ramp

primary

#143F71

secondary

#A77539

accent

#9B3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #143F71

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

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