#143F75#143F75

#143F75 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 37.0% C 0.104 H 256.1°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#143F75
RGB	rgb(20, 63, 117)
HSL	hsl(213, 71%, 27%)
HSV	hsv(213, 83%, 46%)
CMYK	cmyk(82.9%, 46.2%, 0%, 54.1%)
CIE-LAB	lab(26.70, 6.68, -35.14)
CIE-LCH	lch(26.70, 35.77, 280.76°)
OKLab	oklab(36.99% -0.025 -0.1008)
OKLCH	oklch(36.99% 0.104 256.1)
XYZ	xyz(5.2757, 4.9875, 17.5108)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F75 #754A14

analogous

#147075 #143F75 #1A1475

triadic

#143F75 #75143F #3F7514

tetradic

#143F75 #751470 #754A14 #14751A

square

#143F75 #751470 #754A14 #14751A

split-complementary

#143F75 #751A14 #707514

monochromatic

#040E1A #0B2341 #143F75 #1D5BA9 #2978DA

Accessibility & contrast

On white

10.51

#143F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#143F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F75

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F75	#FFFFFF	#000000	##FFFFFF
##143F75	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234477

Deuteranopia (green-blind)

#0F3B74

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #143f75;
/* rgb */ color: rgb(20, 63, 117);
/* oklch */ color: oklch(37.0% 0.104 256.1);

Tailwind

colors: {
  custom: {
    50: '#63739d',
    500: '#143f75',
    950: '#000000',
  },
}

SCSS

$custom: #143f75;
$custom-light: #63739d;
$custom-dark: #000000;

JSON

{
  "hex": "#143f75",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 117
  },
  "hsl": {
    "h": 213.402,
    "s": 70.803,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36989,
    "c": 0.10381,
    "h": 256.1
  },
  "luminance": 0.04988
}

Semantic roles & 50–950 ramp

primary

#143F75

secondary

#AB793A

accent

#9E3AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #143F75

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

Preview Lab → · Contrast checker → · Palette generator →