#143C61#143C61

#143C61 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.079 H 249.7°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#143C61
RGB	rgb(20, 60, 97)
HSL	hsl(209, 66%, 23%)
HSV	hsv(209, 79%, 38%)
CMYK	cmyk(79.4%, 38.1%, 0%, 62%)
CIE-LAB	lab(24.46, 0.41, -25.90)
CIE-LCH	lch(24.46, 25.90, 270.90°)
OKLab	oklab(34.83% -0.0272 -0.0737)
OKLCH	oklch(34.83% 0.079 249.7)
XYZ	xyz(4.0612, 4.2430, 11.9119)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C61 #613914

analogous

#14615F #143C61 #141661

triadic

#143C61 #61143C #3C6114

tetradic

#143C61 #5F1461 #613914 #166114

square

#143C61 #5F1461 #613914 #166114

split-complementary

#143C61 #611416 #615F14

monochromatic

#051019 #0A1D2E #143C61 #1E5B94 #297BC6

Accessibility & contrast

On white

11.36

#143C61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#143C61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C61

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C61	#FFFFFF	#000000	##FFFFFF
##143C61	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3E63

Deuteranopia (green-blind)

#203760

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143c61;
/* rgb */ color: rgb(20, 60, 97);
/* oklch */ color: oklch(34.8% 0.079 249.7);

Tailwind

colors: {
  custom: {
    50: '#5e718e',
    500: '#143c61',
    950: '#000000',
  },
}

SCSS

$custom: #143c61;
$custom-light: #5e718e;
$custom-dark: #000000;

JSON

{
  "hex": "#143c61",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 97
  },
  "hsl": {
    "h": 208.831,
    "s": 65.812,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34832,
    "c": 0.07855,
    "h": 249.7
  },
  "luminance": 0.04244
}

Semantic roles & 50–950 ramp

primary

#143C61

secondary

#986738

accent

#913FE9

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143C61

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

Preview Lab → · Contrast checker → · Palette generator →