#143F58#143F58

#143F58 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.064 H 238.2°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#143F58
RGB	rgb(20, 63, 88)
HSL	hsl(202, 63%, 21%)
HSV	hsv(202, 77%, 35%)
CMYK	cmyk(77.3%, 28.4%, 0%, 65.5%)
CIE-LAB	lab(24.98, -5.25, -19.22)
CIE-LCH	lch(24.98, 19.93, 254.72°)
OKLab	oklab(35.08% -0.0336 -0.0542)
OKLCH	oklch(35.08% 0.064 238.2)
XYZ	xyz(3.8268, 4.4079, 9.8798)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F58 #582D14

analogous

#14584F #143F58 #141D58

triadic

#143F58 #58143F #3F5814

tetradic

#143F58 #4F1458 #582D14 #1D5814

square

#143F58 #4F1458 #582D14 #1D5814

split-complementary

#143F58 #58141D #584F14

monochromatic

#061219 #091B26 #143F58 #1F638A #2B86BC

Accessibility & contrast

On white

11.16

#143F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#143F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F58

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F58	#FFFFFF	#000000	##FFFFFF
##143F58	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F59

Deuteranopia (green-blind)

#2A3858

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143f58;
/* rgb */ color: rgb(20, 63, 88);
/* oklch */ color: oklch(35.1% 0.064 238.2);

Tailwind

colors: {
  custom: {
    50: '#5c7387',
    500: '#143f58',
    950: '#000000',
  },
}

SCSS

$custom: #143f58;
$custom-light: #5c7387;
$custom-dark: #000000;

JSON

{
  "hex": "#143f58",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 88
  },
  "hsl": {
    "h": 202.059,
    "s": 62.963,
    "l": 21.176
  },
  "oklch": {
    "l": 0.35077,
    "c": 0.06378,
    "h": 238.2
  },
  "luminance": 0.04408
}

Semantic roles & 50–950 ramp

primary

#143F58

secondary

#905838

accent

#7E42E6

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #143F58

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

Preview Lab → · Contrast checker → · Palette generator →