#1C4F7E#1C4F7E
#1C4F7E is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.095 H 249.7°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4F7E |
|---|---|
| RGB | rgb(28, 79, 126) |
| HSL | hsl(209, 64%, 30%) |
| HSV | hsv(209, 78%, 49%) |
| CMYK | cmyk(77.8%, 37.3%, 0%, 50.6%) |
| CIE-LAB | lab(32.58, 0.58, -31.39) |
| CIE-LCH | lch(32.58, 31.40, 271.07°) |
| OKLab | oklab(41.82% -0.033 -0.0893) |
| OKLCH | oklch(41.82% 0.095 249.7) |
| XYZ | xyz(7.0393, 7.3444, 20.7812) |
| Luminance | 0.0735 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 0.88
Dusk Blue
#26538D
ΔE00 2.82
Prussian Blue
#004577
ΔE00 3.34
Deep Sea Blue
#015482
ΔE00 3.35
Light Navy Blue
#2E5A88
ΔE00 3.85
Twilight Blue
#0A437A
ΔE00 4.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4F7E #7E4B1C
analogous
#1C7E7C #1C4F7E #1C1E7E
triadic
#1C4F7E #7E1C4F #4F7E1C
tetradic
#1C4F7E #7C1C7E #7E4B1C #1E7E1C
square
#1C4F7E #7C1C7E #7E4B1C #1E7E1C
split-complementary
#1C4F7E #7E1C1E #7E7C1C
monochromatic
#06101A #11304C #1C4F7E #276EB0 #408DD5
Accessibility & contrast
On white
8.51
#1C4F7E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#1C4F7E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4F7E
8.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4F7E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4F7E | 1.00 | 8.51 | 2.47 | 8.51 |
| #FFFFFF | 8.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#395280
Deuteranopia (green-blind)
#2B497D
Tritanopia (blue-blind)
#005A60
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1c4f7e; /* rgb */ color: rgb(28, 79, 126); /* oklch */ color: oklch(41.8% 0.095 249.7);
Tailwind
colors: {
custom: {
50: '#6780a3',
500: '#1c4f7e',
950: '#000000',
},
}SCSS
$custom: #1c4f7e; $custom-light: #6780a3; $custom-dark: #000000;
JSON
{
"hex": "#1c4f7e",
"rgb": {
"r": 28,
"g": 79,
"b": 126
},
"hsl": {
"h": 208.776,
"s": 63.636,
"l": 30.196
},
"oklch": {
"l": 0.41824,
"c": 0.09525,
"h": 249.7
},
"luminance": 0.07345
}Semantic roles & 50–950 ramp
primary
#1C4F7E
secondary
#B27944
accent
#9141E7
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F