#143B4D#143B4D

#143B4D is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.054 H 231.5°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#143B4D
RGB	rgb(20, 59, 77)
HSL	hsl(199, 59%, 19%)
HSV	hsv(199, 74%, 30%)
CMYK	cmyk(74%, 23.4%, 0%, 69.8%)
CIE-LAB	lab(23.04, -6.97, -14.99)
CIE-LCH	lch(23.04, 16.53, 245.07°)
OKLab	oklab(33.36% -0.0334 -0.042)
OKLCH	oklch(33.36% 0.054 231.5)
XYZ	xyz(3.1915, 3.8121, 7.5874)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B4D #4D2614

analogous

#144D43 #143B4D #141F4D

triadic

#143B4D #4D143B #3B4D14

tetradic

#143B4D #43144D #4D2614 #1F4D14

square

#143B4D #43144D #4D2614 #1F4D14

split-complementary

#143B4D #4D141F #4D4314

monochromatic

#061318 #07161C #143B4D #21607E #2D85AE

Accessibility & contrast

On white

11.92

#143B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#143B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B4D

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B4D	#FFFFFF	#000000	##FFFFFF
##143B4D	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4E

Deuteranopia (green-blind)

#2A344D

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143b4d;
/* rgb */ color: rgb(20, 59, 77);
/* oklch */ color: oklch(33.4% 0.054 231.5);

Tailwind

colors: {
  custom: {
    50: '#5a707f',
    500: '#143b4d',
    950: '#000000',
  },
}

SCSS

$custom: #143b4d;
$custom-light: #5a707f;
$custom-dark: #000000;

JSON

{
  "hex": "#143b4d",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 77
  },
  "hsl": {
    "h": 198.947,
    "s": 58.763,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33356,
    "c": 0.05366,
    "h": 231.5
  },
  "luminance": 0.03812
}

Semantic roles & 50–950 ramp

primary

#143B4D

secondary

#855038

accent

#7746E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143B4D

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

Preview Lab → · Contrast checker → · Palette generator →