#1C4E88#1C4E88
#1C4E88 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.2% C 0.110 H 254.5°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4E88 |
|---|---|
| RGB | rgb(28, 78, 136) |
| HSL | hsl(212, 66%, 32%) |
| HSV | hsv(212, 79%, 53%) |
| CMYK | cmyk(79.4%, 42.6%, 0%, 46.7%) |
| CIE-LAB | lab(32.86, 5.24, -37.12) |
| CIE-LCH | lch(32.86, 37.49, 278.03°) |
| OKLab | oklab(42.24% -0.0294 -0.1061) |
| OKLCH | oklch(42.24% 0.11 254.5) |
| XYZ | xyz(7.6456, 7.4723, 24.3271) |
| Luminance | 0.0747 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.79
Light Navy
#155084
ΔE00 1.85
Cobalt (survey)
#1E488F
ΔE00 2.96
Twilight Blue
#0A437A
ΔE00 3.75
Prussian Blue
#004577
ΔE00 3.83
Light Navy Blue
#2E5A88
ΔE00 4.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4E88 #88561C
analogous
#1C8488 #1C4E88 #201C88
triadic
#1C4E88 #881C4E #4E881C
tetradic
#1C4E88 #881C84 #88561C #1C8820
square
#1C4E88 #881C84 #88561C #1C8820
split-complementary
#1C4E88 #88201C #84881C
monochromatic
#071422 #123155 #1C4E88 #266BBB #468AD9
Accessibility & contrast
On white
8.42
#1C4E88 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.49
#1C4E88 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4E88
8.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4E88 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4E88 | 1.00 | 8.42 | 2.49 | 8.42 |
| #FFFFFF | 8.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#32538A
Deuteranopia (green-blind)
#1F4987
Tritanopia (blue-blind)
#005C64
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1c4e88; /* rgb */ color: rgb(28, 78, 136); /* oklch */ color: oklch(42.2% 0.110 254.5);
Tailwind
colors: {
custom: {
50: '#697fab',
500: '#1c4e88',
950: '#000000',
},
}SCSS
$custom: #1c4e88; $custom-light: #697fab; $custom-dark: #000000;
JSON
{
"hex": "#1c4e88",
"rgb": {
"r": 28,
"g": 78,
"b": 136
},
"hsl": {
"h": 212.222,
"s": 65.854,
"l": 32.157
},
"oklch": {
"l": 0.42236,
"c": 0.11016,
"h": 254.5
},
"luminance": 0.07473
}Semantic roles & 50–950 ramp
primary
#1C4E88
secondary
#BA8445
accent
#9A3FE9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F