#143B6D#143B6D

#143B6D is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.097 H 256.2°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#143B6D
RGB	rgb(20, 59, 109)
HSL	hsl(214, 69%, 25%)
HSV	hsv(214, 82%, 43%)
CMYK	cmyk(81.7%, 45.9%, 0%, 57.3%)
CIE-LAB	lab(24.89, 6.12, -32.95)
CIE-LCH	lch(24.89, 33.51, 280.51°)
OKLab	oklab(35.41% -0.0231 -0.0944)
OKLCH	oklch(35.41% 0.097 256.2)
XYZ	xyz(4.6118, 4.3802, 15.0674)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B6D #6D4614

analogous

#14676D #143B6D #1A146D

triadic

#143B6D #6D143B #3B6D14

tetradic

#143B6D #6D1467 #6D4614 #146D1A

square

#143B6D #6D1467 #6D4614 #146D1A

split-complementary

#143B6D #6D1A14 #676D14

monochromatic

#050E1A #0B1F39 #143B6D #1D57A1 #2773D4

Accessibility & contrast

On white

11.19

#143B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#143B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B6D

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B6D	#FFFFFF	#000000	##FFFFFF
##143B6D	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223F6F

Deuteranopia (green-blind)

#10376C

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143b6d;
/* rgb */ color: rgb(20, 59, 109);
/* oklch */ color: oklch(35.4% 0.097 256.2);

Tailwind

colors: {
  custom: {
    50: '#617097',
    500: '#143b6d',
    950: '#000000',
  },
}

SCSS

$custom: #143b6d;
$custom-light: #617097;
$custom-dark: #000000;

JSON

{
  "hex": "#143b6d",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 109
  },
  "hsl": {
    "h": 213.708,
    "s": 68.992,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35414,
    "c": 0.09717,
    "h": 256.2
  },
  "luminance": 0.04381
}

Semantic roles & 50–950 ramp

primary

#143B6D

secondary

#A47539

accent

#9F3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #143B6D

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

Preview Lab → · Contrast checker → · Palette generator →