#143F65#143F65

#143F65 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.9% C 0.081 H 248.9°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#143F65
RGB	rgb(20, 63, 101)
HSL	hsl(208, 67%, 24%)
HSV	hsv(208, 80%, 40%)
CMYK	cmyk(80.2%, 37.6%, 0%, 60.4%)
CIE-LAB	lab(25.69, 0.02, -26.53)
CIE-LCH	lch(25.69, 26.53, 270.04°)
OKLab	oklab(35.88% -0.0292 -0.0755)
OKLCH	oklch(35.88% 0.081 248.9)
XYZ	xyz(4.4141, 4.6428, 12.9729)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F65 #653A14

analogous

#146562 #143F65 #141665

triadic

#143F65 #65143F #3F6514

tetradic

#143F65 #621465 #653A14 #166514

square

#143F65 #621465 #653A14 #166514

split-complementary

#143F65 #651416 #656214

monochromatic

#05101A #0A1F32 #143F65 #1E5F98 #287FCB

Accessibility & contrast

On white

10.89

#143F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#143F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F65

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F65	#FFFFFF	#000000	##FFFFFF
##143F65	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4167

Deuteranopia (green-blind)

#223964

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143f65;
/* rgb */ color: rgb(20, 63, 101);
/* oklch */ color: oklch(35.9% 0.081 248.9);

Tailwind

colors: {
  custom: {
    50: '#5f7391',
    500: '#143f65',
    950: '#000000',
  },
}

SCSS

$custom: #143f65;
$custom-light: #5f7391;
$custom-dark: #000000;

JSON

{
  "hex": "#143f65",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 101
  },
  "hsl": {
    "h": 208.148,
    "s": 66.942,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35876,
    "c": 0.08091,
    "h": 248.9
  },
  "luminance": 0.04643
}

Semantic roles & 50–950 ramp

primary

#143F65

secondary

#9C6739

accent

#8F3EEA

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #143F65

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

Preview Lab → · Contrast checker → · Palette generator →