#143D54#143D54

#143D54 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.060 H 237.0°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#143D54
RGB	rgb(20, 61, 84)
HSL	hsl(202, 62%, 20%)
HSV	hsv(202, 76%, 33%)
CMYK	cmyk(76.2%, 27.4%, 0%, 67.1%)
CIE-LAB	lab(24.08, -5.53, -17.99)
CIE-LCH	lch(24.08, 18.83, 252.91°)
OKLab	oklab(34.3% -0.0329 -0.0507)
OKLCH	oklch(34.3% 0.06 237)
XYZ	xyz(3.5568, 4.1259, 8.9947)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D54 #542B14

analogous

#14544B #143D54 #141D54

triadic

#143D54 #54143D #3D5414

tetradic

#143D54 #4B1454 #542B14 #1D5414

square

#143D54 #4B1454 #542B14 #1D5414

split-complementary

#143D54 #54141D #544B14

monochromatic

#061219 #081923 #143D54 #206185 #2C85B7

Accessibility & contrast

On white

11.51

#143D54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143D54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D54

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D54	#FFFFFF	#000000	##FFFFFF
##143D54	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D55

Deuteranopia (green-blind)

#293754

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143d54;
/* rgb */ color: rgb(20, 61, 84);
/* oklch */ color: oklch(34.3% 0.060 237.0);

Tailwind

colors: {
  custom: {
    50: '#5b7284',
    500: '#143d54',
    950: '#000000',
  },
}

SCSS

$custom: #143d54;
$custom-light: #5b7284;
$custom-dark: #000000;

JSON

{
  "hex": "#143d54",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 84
  },
  "hsl": {
    "h": 201.563,
    "s": 61.538,
    "l": 20.392
  },
  "oklch": {
    "l": 0.343,
    "c": 0.0604,
    "h": 237
  },
  "luminance": 0.04126
}

Semantic roles & 50–950 ramp

primary

#143D54

secondary

#8C5638

accent

#7D43E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #143D54

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

Preview Lab → · Contrast checker → · Palette generator →