#143D6E#143D6E

#143D6E is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.096 H 255.1°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#143D6E
RGB	rgb(20, 61, 110)
HSL	hsl(213, 69%, 25%)
HSV	hsv(213, 82%, 43%)
CMYK	cmyk(81.8%, 44.5%, 0%, 56.9%)
CIE-LAB	lab(25.60, 5.14, -32.46)
CIE-LCH	lch(25.60, 32.86, 279.00°)
OKLab	oklab(35.98% -0.0247 -0.0929)
OKLCH	oklch(35.98% 0.096 255.1)
XYZ	xyz(4.7707, 4.6114, 15.3875)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D6E #6E4514

analogous

#146A6E #143D6E #18146E

triadic

#143D6E #6E143D #3D6E14

tetradic

#143D6E #6E146A #6E4514 #146E18

square

#143D6E #6E146A #6E4514 #146E18

split-complementary

#143D6E #6E1814 #6A6E14

monochromatic

#050E1A #0B203A #143D6E #1D5AA2 #2776D6

Accessibility & contrast

On white

10.92

#143D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#143D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D6E

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D6E	#FFFFFF	#000000	##FFFFFF
##143D6E	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254170

Deuteranopia (green-blind)

#14396D

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143d6e;
/* rgb */ color: rgb(20, 61, 110);
/* oklch */ color: oklch(36.0% 0.096 255.1);

Tailwind

colors: {
  custom: {
    50: '#617298',
    500: '#143d6e',
    950: '#000000',
  },
}

SCSS

$custom: #143d6e;
$custom-light: #617298;
$custom-dark: #000000;

JSON

{
  "hex": "#143d6e",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 110
  },
  "hsl": {
    "h": 212.667,
    "s": 69.231,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35984,
    "c": 0.09613,
    "h": 255.1
  },
  "luminance": 0.04612
}

Semantic roles & 50–950 ramp

primary

#143D6E

secondary

#A57439

accent

#9C3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #143D6E

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

Preview Lab → · Contrast checker → · Palette generator →