#143B4C#143B4C

#143B4C is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.053 H 230.0°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#143B4C
RGB	rgb(20, 59, 76)
HSL	hsl(198, 58%, 19%)
HSV	hsv(198, 74%, 30%)
CMYK	cmyk(73.7%, 22.4%, 0%, 70.2%)
CIE-LAB	lab(22.99, -7.36, -14.40)
CIE-LCH	lch(22.99, 16.17, 242.94°)
OKLab	oklab(33.3% -0.0338 -0.0403)
OKLCH	oklch(33.3% 0.053 230)
XYZ	xyz(3.1564, 3.7981, 7.4028)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B4C #4C2514

analogous

#144C41 #143B4C #141F4C

triadic

#143B4C #4C143B #3B4C14

tetradic

#143B4C #41144C #4C2514 #1F4C14

square

#143B4C #41144C #4C2514 #1F4C14

split-complementary

#143B4C #4C141F #4C4114

monochromatic

#061318 #07151C #143B4C #21617C #2E86AD

Accessibility & contrast

On white

11.93

#143B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#143B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B4C

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B4C	#FFFFFF	#000000	##FFFFFF
##143B4C	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4D

Deuteranopia (green-blind)

#2B344C

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143b4c;
/* rgb */ color: rgb(20, 59, 76);
/* oklch */ color: oklch(33.3% 0.053 230.0);

Tailwind

colors: {
  custom: {
    50: '#59707e',
    500: '#143b4c',
    950: '#000000',
  },
}

SCSS

$custom: #143b4c;
$custom-light: #59707e;
$custom-dark: #000000;

JSON

{
  "hex": "#143b4c",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 76
  },
  "hsl": {
    "h": 198.214,
    "s": 58.333,
    "l": 18.824
  },
  "oklch": {
    "l": 0.33302,
    "c": 0.05261,
    "h": 230
  },
  "luminance": 0.03798
}

Semantic roles & 50–950 ramp

primary

#143B4C

secondary

#844F38

accent

#7546E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #143B4C

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

Preview Lab → · Contrast checker → · Palette generator →