#143F64#143F64

#143F64 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.080 H 248.2°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#143F64
RGB	rgb(20, 63, 100)
HSL	hsl(208, 67%, 24%)
HSV	hsv(208, 80%, 39%)
CMYK	cmyk(80%, 37%, 0%, 60.8%)
CIE-LAB	lab(25.63, -0.39, -25.98)
CIE-LCH	lch(25.63, 25.98, 269.13°)
OKLab	oklab(35.81% -0.0295 -0.0739)
OKLCH	oklch(35.81% 0.08 248.2)
XYZ	xyz(4.3654, 4.6233, 12.7164)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F64 #643914

analogous

#146461 #143F64 #141764

triadic

#143F64 #64143F #3F6414

tetradic

#143F64 #611464 #643914 #176414

square

#143F64 #611464 #643914 #176414

split-complementary

#143F64 #641417 #646114

monochromatic

#05101A #0A1F31 #143F64 #1E5F97 #287FCA

Accessibility & contrast

On white

10.91

#143F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#143F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F64

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F64	#FFFFFF	#000000	##FFFFFF
##143F64	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4166

Deuteranopia (green-blind)

#223963

Tritanopia (blue-blind)

#00484C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143f64;
/* rgb */ color: rgb(20, 63, 100);
/* oklch */ color: oklch(35.8% 0.080 248.2);

Tailwind

colors: {
  custom: {
    50: '#5e7390',
    500: '#143f64',
    950: '#000000',
  },
}

SCSS

$custom: #143f64;
$custom-light: #5e7390;
$custom-dark: #000000;

JSON

{
  "hex": "#143f64",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 100
  },
  "hsl": {
    "h": 207.75,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35811,
    "c": 0.07952,
    "h": 248.2
  },
  "luminance": 0.04624
}

Semantic roles & 50–950 ramp

primary

#143F64

secondary

#9B6638

accent

#8D3EEA

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #143F64

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

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