#143E66#143E66
#143E66 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.083 H 250.5°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #143E66 |
|---|---|
| RGB | rgb(20, 62, 102) |
| HSL | hsl(209, 67%, 24%) |
| HSV | hsv(209, 80%, 40%) |
| CMYK | cmyk(80.4%, 39.2%, 0%, 60%) |
| CIE-LAB | lab(25.42, 1.11, -27.61) |
| CIE-LCH | lch(25.42, 27.63, 272.30°) |
| OKLab | oklab(35.68% -0.0278 -0.0786) |
| OKLCH | oklch(35.68% 0.083 250.5) |
| XYZ | xyz(4.4085, 4.5528, 13.2142) |
| Luminance | 0.0455 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine Blue
#01386A
ΔE00 2.42
Twilight Blue
#0A437A
ΔE00 2.96
Prussian Blue
#004577
ΔE00 3.24
Darkish Blue
#014182
ΔE00 3.76
Dark Slate Blue
#214761
ΔE00 5.51
Marine
#042E60
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#143E66 #663C14
analogous
#146665 #143E66 #141566
triadic
#143E66 #66143E #3E6614
tetradic
#143E66 #651466 #663C14 #156614
square
#143E66 #651466 #663C14 #156614
split-complementary
#143E66 #661415 #666514
monochromatic
#05101A #0A1F33 #143E66 #1E5D99 #287CCC
Accessibility & contrast
On white
10.99
#143E66 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#143E66 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #143E66
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##143E66 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##143E66 | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2B4068
Deuteranopia (green-blind)
#1F3965
Tritanopia (blue-blind)
#00474D
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #143e66; /* rgb */ color: rgb(20, 62, 102); /* oklch */ color: oklch(35.7% 0.083 250.5);
Tailwind
colors: {
custom: {
50: '#5f7292',
500: '#143e66',
950: '#000000',
},
}SCSS
$custom: #143e66; $custom-light: #5f7292; $custom-dark: #000000;
JSON
{
"hex": "#143e66",
"rgb": {
"r": 20,
"g": 62,
"b": 102
},
"hsl": {
"h": 209.268,
"s": 67.213,
"l": 23.922
},
"oklch": {
"l": 0.35683,
"c": 0.08341,
"h": 250.5
},
"luminance": 0.04553
}Semantic roles & 50–950 ramp
primary
#143E66
secondary
#9D6A39
accent
#923EEA
background
#F5F6F9
surface
#EAECF1
border
#C6C7CB
text
#05080D
muted
#797B7E