#143B4E#143B4E

#143B4E is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.055 H 233.0°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#143B4E
RGB	rgb(20, 59, 78)
HSL	hsl(200, 59%, 19%)
HSV	hsv(200, 74%, 31%)
CMYK	cmyk(74.4%, 24.4%, 0%, 69.4%)
CIE-LAB	lab(23.09, -6.58, -15.58)
CIE-LCH	lch(23.09, 16.91, 247.10°)
OKLab	oklab(33.41% -0.0329 -0.0437)
OKLCH	oklch(33.41% 0.055 233)
XYZ	xyz(3.2271, 3.8264, 7.7747)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B4E #4E2714

analogous

#144E44 #143B4E #141E4E

triadic

#143B4E #4E143B #3B4E14

tetradic

#143B4E #44144E #4E2714 #1E4E14

square

#143B4E #44144E #4E2714 #1E4E14

split-complementary

#143B4E #4E141E #4E4414

monochromatic

#061218 #08161D #143B4E #20607F #2D85AF

Accessibility & contrast

On white

11.90

#143B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#143B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B4E

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B4E	#FFFFFF	#000000	##FFFFFF
##143B4E	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4F

Deuteranopia (green-blind)

#2A354E

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143b4e;
/* rgb */ color: rgb(20, 59, 78);
/* oklch */ color: oklch(33.4% 0.055 233.0);

Tailwind

colors: {
  custom: {
    50: '#5a707f',
    500: '#143b4e',
    950: '#000000',
  },
}

SCSS

$custom: #143b4e;
$custom-light: #5a707f;
$custom-dark: #000000;

JSON

{
  "hex": "#143b4e",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 199.655,
    "s": 59.184,
    "l": 19.216
  },
  "oklch": {
    "l": 0.33411,
    "c": 0.05474,
    "h": 233
  },
  "luminance": 0.03827
}

Semantic roles & 50–950 ramp

primary

#143B4E

secondary

#865138

accent

#7945E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143B4E

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

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