#1C5388#1C5388
#1C5388 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.104 H 250.9°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).
Color values
| HEX | #1C5388 |
|---|---|
| RGB | rgb(28, 83, 136) |
| HSL | hsl(209, 66%, 32%) |
| HSV | hsv(209, 79%, 53%) |
| CMYK | cmyk(79.4%, 39%, 0%, 46.7%) |
| CIE-LAB | lab(34.42, 1.94, -34.64) |
| CIE-LCH | lch(34.42, 34.69, 273.21°) |
| OKLab | oklab(43.45% -0.0341 -0.0988) |
| OKLCH | oklch(43.45% 0.105 250.9) |
| XYZ | xyz(8.0144, 8.2100, 24.4501) |
| Luminance | 0.0821 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.13
Dusk Blue
#26538D
ΔE00 1.85
Light Navy Blue
#2E5A88
ΔE00 2.62
Deep Sea Blue
#015482
ΔE00 3.28
Prussian Blue
#004577
ΔE00 4.78
Cobalt (survey)
#1E488F
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C5388 #88511C
analogous
#1C8887 #1C5388 #1C1D88
triadic
#1C5388 #881C53 #53881C
tetradic
#1C5388 #871C88 #88511C #1D881C
square
#1C5388 #871C88 #88511C #1D881C
split-complementary
#1C5388 #881C1D #88871C
monochromatic
#071522 #123455 #1C5388 #2672BB #4691D9
Accessibility & contrast
On white
7.95
#1C5388 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.64
#1C5388 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C5388
7.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C5388 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C5388 | 1.00 | 7.95 | 2.64 | 7.95 |
| #FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A568A
Deuteranopia (green-blind)
#294C87
Tritanopia (blue-blind)
#006067
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1c5388; /* rgb */ color: rgb(28, 83, 136); /* oklch */ color: oklch(43.5% 0.104 250.9);
Tailwind
colors: {
custom: {
50: '#6983ab',
500: '#1c5388',
950: '#000000',
},
}SCSS
$custom: #1c5388; $custom-light: #6983ab; $custom-dark: #000000;
JSON
{
"hex": "#1c5388",
"rgb": {
"r": 28,
"g": 83,
"b": 136
},
"hsl": {
"h": 209.444,
"s": 65.854,
"l": 32.157
},
"oklch": {
"l": 0.43452,
"c": 0.1045,
"h": 250.9
},
"luminance": 0.08211
}Semantic roles & 50–950 ramp
primary
#1C5388
secondary
#BA7F45
accent
#923FE9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F