#143E57#143E57

#143E57 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.063 H 238.7°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#143E57
RGB	rgb(20, 62, 87)
HSL	hsl(202, 63%, 21%)
HSV	hsv(202, 77%, 34%)
CMYK	cmyk(77%, 28.7%, 0%, 65.9%)
CIE-LAB	lab(24.58, -5.00, -19.19)
CIE-LCH	lch(24.58, 19.83, 255.40°)
OKLab	oklab(34.75% -0.0329 -0.0541)
OKLCH	oklch(34.75% 0.063 238.7)
XYZ	xyz(3.7307, 4.2817, 9.6448)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E57 #572D14

analogous

#14574E #143E57 #141C57

triadic

#143E57 #57143E #3E5714

tetradic

#143E57 #4E1457 #572D14 #1C5714

square

#143E57 #4E1457 #572D14 #1C5714

split-complementary

#143E57 #57141C #574E14

monochromatic

#061219 #091B25 #143E57 #1F6189 #2B85BB

Accessibility & contrast

On white

11.31

#143E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#143E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E57

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E57	#FFFFFF	#000000	##FFFFFF
##143E57	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323E58

Deuteranopia (green-blind)

#293857

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143e57;
/* rgb */ color: rgb(20, 62, 87);
/* oklch */ color: oklch(34.7% 0.063 238.7);

Tailwind

colors: {
  custom: {
    50: '#5c7386',
    500: '#143e57',
    950: '#000000',
  },
}

SCSS

$custom: #143e57;
$custom-light: #5c7386;
$custom-dark: #000000;

JSON

{
  "hex": "#143e57",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 87
  },
  "hsl": {
    "h": 202.388,
    "s": 62.617,
    "l": 20.98
  },
  "oklch": {
    "l": 0.34746,
    "c": 0.0633,
    "h": 238.7
  },
  "luminance": 0.04282
}

Semantic roles & 50–950 ramp

primary

#143E57

secondary

#8F5838

accent

#7F42E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #143E57

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

Preview Lab → · Contrast checker → · Palette generator →