#143B65#143B65

#143B65 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.085 H 252.9°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#143B65
RGB	rgb(20, 59, 101)
HSL	hsl(211, 67%, 24%)
HSV	hsv(211, 80%, 40%)
CMYK	cmyk(80.2%, 41.6%, 0%, 60.4%)
CIE-LAB	lab(24.37, 2.76, -28.63)
CIE-LCH	lch(24.37, 28.76, 275.50°)
OKLab	oklab(34.84% -0.0251 -0.0817)
OKLCH	oklch(34.84% 0.085 252.9)
XYZ	xyz(4.2005, 4.2158, 12.9017)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B65 #653E14

analogous

#146365 #143B65 #151465

triadic

#143B65 #65143B #3B6514

tetradic

#143B65 #651463 #653E14 #146515

square

#143B65 #651463 #653E14 #146515

split-complementary

#143B65 #651514 #636514

monochromatic

#050F1A #0A1D32 #143B65 #1E5998 #2877CB

Accessibility & contrast

On white

11.39

#143B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#143B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B65

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B65	#FFFFFF	#000000	##FFFFFF
##143B65	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273E67

Deuteranopia (green-blind)

#1A3664

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143b65;
/* rgb */ color: rgb(20, 59, 101);
/* oklch */ color: oklch(34.8% 0.085 252.9);

Tailwind

colors: {
  custom: {
    50: '#5f7091',
    500: '#143b65',
    950: '#000000',
  },
}

SCSS

$custom: #143b65;
$custom-light: #5f7091;
$custom-dark: #000000;

JSON

{
  "hex": "#143b65",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 101
  },
  "hsl": {
    "h": 211.111,
    "s": 66.942,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34843,
    "c": 0.08544,
    "h": 252.9
  },
  "luminance": 0.04216
}

Semantic roles & 50–950 ramp

primary

#143B65

secondary

#9C6C39

accent

#973EEA

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070D

muted

#797A7D

Preview Lab

Preview with #143B65

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

Preview Lab → · Contrast checker → · Palette generator →