#143D5E#143D5E

#143D5E is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.073 H 246.5°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#143D5E
RGB	rgb(20, 61, 94)
HSL	hsl(207, 65%, 22%)
HSV	hsv(207, 79%, 37%)
CMYK	cmyk(78.7%, 35.1%, 0%, 63.1%)
CIE-LAB	lab(24.62, -1.51, -23.69)
CIE-LCH	lch(24.62, 23.74, 266.36°)
OKLab	oklab(34.9% -0.0293 -0.0672)
OKLCH	oklch(34.9% 0.073 246.5)
XYZ	xyz(3.9768, 4.2939, 11.2067)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D5E #5E3514

analogous

#145E5A #143D5E #14185E

triadic

#143D5E #5E143D #3D5E14

tetradic

#143D5E #5A145E #5E3514 #185E14

square

#143D5E #5A145E #5E3514 #185E14

split-complementary

#143D5E #5E1418 #5E5A14

monochromatic

#051019 #091C2C #143D5E #1F5E90 #297EC3

Accessibility & contrast

On white

11.30

#143D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#143D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D5E

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D5E	#FFFFFF	#000000	##FFFFFF
##143D5E	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3E5F

Deuteranopia (green-blind)

#23375D

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143d5e;
/* rgb */ color: rgb(20, 61, 94);
/* oklch */ color: oklch(34.9% 0.073 246.5);

Tailwind

colors: {
  custom: {
    50: '#5d728c',
    500: '#143d5e',
    950: '#000000',
  },
}

SCSS

$custom: #143d5e;
$custom-light: #5d728c;
$custom-dark: #000000;

JSON

{
  "hex": "#143d5e",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 94
  },
  "hsl": {
    "h": 206.757,
    "s": 64.912,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34901,
    "c": 0.07331,
    "h": 246.5
  },
  "luminance": 0.04294
}

Semantic roles & 50–950 ramp

primary

#143D5E

secondary

#966238

accent

#8B40E8

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143D5E

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

Preview Lab → · Contrast checker → · Palette generator →