#143E6B#143E6B

#143E6B is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.091 H 253.0°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#143E6B
RGB	rgb(20, 62, 107)
HSL	hsl(211, 69%, 25%)
HSV	hsv(211, 81%, 42%)
CMYK	cmyk(81.3%, 42.1%, 0%, 58%)
CIE-LAB	lab(25.73, 3.19, -30.33)
CIE-LCH	lch(25.73, 30.50, 276.00°)
OKLab	oklab(36.02% -0.0264 -0.0866)
OKLCH	oklch(36.02% 0.091 253)
XYZ	xyz(4.6640, 4.6550, 14.5598)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E6B #6B4114

analogous

#146A6B #143E6B #15146B

triadic

#143E6B #6B143E #3E6B14

tetradic

#143E6B #6B146A #6B4114 #146B15

square

#143E6B #6B146A #6B4114 #146B15

split-complementary

#143E6B #6B1514 #6A6B14

monochromatic

#050F1A #0A2037 #143E6B #1E5C9F #277AD2

Accessibility & contrast

On white

10.87

#143E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#143E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E6B

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E6B	#FFFFFF	#000000	##FFFFFF
##143E6B	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28416D

Deuteranopia (green-blind)

#1A396A

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143e6b;
/* rgb */ color: rgb(20, 62, 107);
/* oklch */ color: oklch(36.0% 0.091 253.0);

Tailwind

colors: {
  custom: {
    50: '#607295',
    500: '#143e6b',
    950: '#000000',
  },
}

SCSS

$custom: #143e6b;
$custom-light: #607295;
$custom-dark: #000000;

JSON

{
  "hex": "#143e6b",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 107
  },
  "hsl": {
    "h": 211.034,
    "s": 68.504,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36023,
    "c": 0.09057,
    "h": 253
  },
  "luminance": 0.04656
}

Semantic roles & 50–950 ramp

primary

#143E6B

secondary

#A26F39

accent

#973CEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #143E6B

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

Preview Lab → · Contrast checker → · Palette generator →