#1C4E84#1C4E84
#1C4E84 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.0% C 0.105 H 253.1°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4E84 |
|---|---|
| RGB | rgb(28, 78, 132) |
| HSL | hsl(211, 65%, 31%) |
| HSV | hsv(211, 79%, 52%) |
| CMYK | cmyk(78.8%, 40.9%, 0%, 48.2%) |
| CIE-LAB | lab(32.61, 3.64, -35.05) |
| CIE-LCH | lch(32.61, 35.24, 275.92°) |
| OKLab | oklab(41.97% -0.0304 -0.1001) |
| OKLCH | oklch(41.97% 0.105 253.1) |
| XYZ | xyz(7.3666, 7.3607, 22.8578) |
| Luminance | 0.0736 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.41
Dusk Blue
#26538D
ΔE00 2.09
Cobalt (survey)
#1E488F
ΔE00 3.39
Prussian Blue
#004577
ΔE00 3.47
Twilight Blue
#0A437A
ΔE00 3.60
Light Navy Blue
#2E5A88
ΔE00 4.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4E84 #84521C
analogous
#1C8284 #1C4E84 #1E1C84
triadic
#1C4E84 #841C4E #4E841C
tetradic
#1C4E84 #841C82 #84521C #1C841E
square
#1C4E84 #841C82 #84521C #1C841E
split-complementary
#1C4E84 #841E1C #82841C
monochromatic
#07121F #113052 #1C4E84 #276CB6 #438AD7
Accessibility & contrast
On white
8.49
#1C4E84 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#1C4E84 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4E84
8.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4E84 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4E84 | 1.00 | 8.49 | 2.47 | 8.49 |
| #FFFFFF | 8.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#345286
Deuteranopia (green-blind)
#244883
Tritanopia (blue-blind)
#005B62
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1c4e84; /* rgb */ color: rgb(28, 78, 132); /* oklch */ color: oklch(42.0% 0.105 253.1);
Tailwind
colors: {
custom: {
50: '#687fa8',
500: '#1c4e84',
950: '#000000',
},
}SCSS
$custom: #1c4e84; $custom-light: #687fa8; $custom-dark: #000000;
JSON
{
"hex": "#1c4e84",
"rgb": {
"r": 28,
"g": 78,
"b": 132
},
"hsl": {
"h": 211.154,
"s": 65,
"l": 31.373
},
"oklch": {
"l": 0.41967,
"c": 0.10458,
"h": 253.1
},
"luminance": 0.07362
}Semantic roles & 50–950 ramp
primary
#1C4E84
secondary
#B78045
accent
#9740E8
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F