#143B64#143B64

#143B64 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.084 H 252.4°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#143B64
RGB	rgb(20, 59, 100)
HSL	hsl(211, 67%, 24%)
HSV	hsv(211, 80%, 39%)
CMYK	cmyk(80%, 41%, 0%, 60.8%)
CIE-LAB	lab(24.31, 2.34, -28.08)
CIE-LCH	lch(24.31, 28.18, 274.76°)
OKLab	oklab(34.77% -0.0253 -0.0801)
OKLCH	oklch(34.77% 0.084 252.4)
XYZ	xyz(4.1518, 4.1963, 12.6453)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B64 #643D14

analogous

#146364 #143B64 #151464

triadic

#143B64 #64143B #3B6414

tetradic

#143B64 #641463 #643D14 #146415

square

#143B64 #641463 #643D14 #146415

split-complementary

#143B64 #641514 #636414

monochromatic

#050F1A #0A1D31 #143B64 #1E5997 #2877CA

Accessibility & contrast

On white

11.42

#143B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#143B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B64

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B64	#FFFFFF	#000000	##FFFFFF
##143B64	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283E66

Deuteranopia (green-blind)

#1B3663

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143b64;
/* rgb */ color: rgb(20, 59, 100);
/* oklch */ color: oklch(34.8% 0.084 252.4);

Tailwind

colors: {
  custom: {
    50: '#5e7090',
    500: '#143b64',
    950: '#000000',
  },
}

SCSS

$custom: #143b64;
$custom-light: #5e7090;
$custom-dark: #000000;

JSON

{
  "hex": "#143b64",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 100
  },
  "hsl": {
    "h": 210.75,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34774,
    "c": 0.08399,
    "h": 252.4
  },
  "luminance": 0.04197
}

Semantic roles & 50–950 ramp

primary

#143B64

secondary

#9B6B38

accent

#963EEA

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143B64

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

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