#143D75#143D75

#143D75 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.5% C 0.106 H 257.4°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#143D75
RGB	rgb(20, 61, 117)
HSL	hsl(215, 71%, 27%)
HSV	hsv(215, 83%, 46%)
CMYK	cmyk(82.9%, 47.9%, 0%, 54.1%)
CIE-LAB	lab(26.07, 8.08, -36.15)
CIE-LCH	lch(26.07, 37.05, 282.59°)
OKLab	oklab(36.5% -0.0232 -0.1038)
OKLCH	oklch(36.5% 0.106 257.4)
XYZ	xyz(5.1669, 4.7699, 17.4745)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D75 #754C14

analogous

#146E75 #143D75 #1B1475

triadic

#143D75 #75143D #3D7514

tetradic

#143D75 #75146E #754C14 #14751B

square

#143D75 #75146E #754C14 #14751B

split-complementary

#143D75 #751B14 #6E7514

monochromatic

#040E1A #0B2241 #143D75 #1D58A9 #2974DA

Accessibility & contrast

On white

10.75

#143D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#143D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D75

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D75	#FFFFFF	#000000	##FFFFFF
##143D75	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4277

Deuteranopia (green-blind)

#073A74

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #143d75;
/* rgb */ color: rgb(20, 61, 117);
/* oklch */ color: oklch(36.5% 0.106 257.4);

Tailwind

colors: {
  custom: {
    50: '#63719d',
    500: '#143d75',
    950: '#000000',
  },
}

SCSS

$custom: #143d75;
$custom-light: #63719d;
$custom-dark: #000000;

JSON

{
  "hex": "#143d75",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 117
  },
  "hsl": {
    "h": 214.639,
    "s": 70.803,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36501,
    "c": 0.10634,
    "h": 257.4
  },
  "luminance": 0.04771
}

Semantic roles & 50–950 ramp

primary

#143D75

secondary

#AB7B3A

accent

#A23AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143D75

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

Preview Lab → · Contrast checker → · Palette generator →