#1C4F78#1C4F78
#1C4F78 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.087 H 246.5°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4F78 |
|---|---|
| RGB | rgb(28, 79, 120) |
| HSL | hsl(207, 62%, 29%) |
| HSV | hsv(207, 77%, 47%) |
| CMYK | cmyk(76.7%, 34.2%, 0%, 52.9%) |
| CIE-LAB | lab(32.24, -1.78, -28.19) |
| CIE-LCH | lch(32.24, 28.25, 266.39°) |
| OKLab | oklab(41.45% -0.0348 -0.08) |
| OKLCH | oklch(41.45% 0.087 246.5) |
| XYZ | xyz(6.6637, 7.1941, 18.8031) |
| Luminance | 0.0720 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.87
Deep Sea Blue
#015482
ΔE00 2.73
Prussian Blue
#004577
ΔE00 3.52
Dusk Blue
#26538D
ΔE00 3.92
Light Navy Blue
#2E5A88
ΔE00 4.28
Twilight Blue
#0A437A
ΔE00 4.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4F78 #78451C
analogous
#1C7873 #1C4F78 #1C2178
triadic
#1C4F78 #781C4F #4F781C
tetradic
#1C4F78 #731C78 #78451C #21781C
square
#1C4F78 #731C78 #78451C #21781C
split-complementary
#1C4F78 #781C21 #78731C
monochromatic
#061019 #102E46 #1C4F78 #2870AA #3D8FD2
Accessibility & contrast
On white
8.61
#1C4F78 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.44
#1C4F78 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4F78
8.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4F78 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4F78 | 1.00 | 8.61 | 2.44 | 8.61 |
| #FFFFFF | 8.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3C517A
Deuteranopia (green-blind)
#2F4877
Tritanopia (blue-blind)
#00595E
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #1c4f78; /* rgb */ color: rgb(28, 79, 120); /* oklch */ color: oklch(41.5% 0.087 246.5);
Tailwind
colors: {
custom: {
50: '#66809f',
500: '#1c4f78',
950: '#000000',
},
}SCSS
$custom: #1c4f78; $custom-light: #66809f; $custom-dark: #000000;
JSON
{
"hex": "#1c4f78",
"rgb": {
"r": 28,
"g": 79,
"b": 120
},
"hsl": {
"h": 206.739,
"s": 62.162,
"l": 29.02
},
"oklch": {
"l": 0.41453,
"c": 0.08725,
"h": 246.5
},
"luminance": 0.07195
}Semantic roles & 50–950 ramp
primary
#1C4F78
secondary
#AC7244
accent
#8B43E5
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0E
muted
#7A7C7E