#143A4D#143A4D

#143A4D is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.054 H 233.6°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#143A4D
RGB	rgb(20, 58, 77)
HSL	hsl(200, 59%, 19%)
HSV	hsv(200, 74%, 30%)
CMYK	cmyk(74%, 24.7%, 0%, 69.8%)
CIE-LAB	lab(22.69, -6.32, -15.53)
CIE-LCH	lch(22.69, 16.77, 247.86°)
OKLab	oklab(33.08% -0.0321 -0.0436)
OKLCH	oklch(33.08% 0.054 233.6)
XYZ	xyz(3.1406, 3.7103, 7.5704)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A4D #4D2714

analogous

#144D44 #143A4D #141E4D

triadic

#143A4D #4D143A #3A4D14

tetradic

#143A4D #44144D #4D2714 #1E4D14

square

#143A4D #44144D #4D2714 #1E4D14

split-complementary

#143A4D #4D141E #4D4414

monochromatic

#061218 #07151C #143A4D #215F7E #2D83AE

Accessibility & contrast

On white

12.05

#143A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#143A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A4D

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A4D	#FFFFFF	#000000	##FFFFFF
##143A4D	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394E

Deuteranopia (green-blind)

#29344D

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #143a4d;
/* rgb */ color: rgb(20, 58, 77);
/* oklch */ color: oklch(33.1% 0.054 233.6);

Tailwind

colors: {
  custom: {
    50: '#5a707f',
    500: '#143a4d',
    950: '#000000',
  },
}

SCSS

$custom: #143a4d;
$custom-light: #5a707f;
$custom-dark: #000000;

JSON

{
  "hex": "#143a4d",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 200,
    "s": 58.763,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33077,
    "c": 0.05416,
    "h": 233.6
  },
  "luminance": 0.03711
}

Semantic roles & 50–950 ramp

primary

#143A4D

secondary

#855138

accent

#7A46E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143A4D

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

Preview Lab → · Contrast checker → · Palette generator →