#1C5489#1C5489
#1C5489 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.105 H 250.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).
Color values
| HEX | #1C5489 |
|---|---|
| RGB | rgb(28, 84, 137) |
| HSL | hsl(209, 66%, 32%) |
| HSV | hsv(209, 80%, 54%) |
| CMYK | cmyk(79.6%, 38.7%, 0%, 46.3%) |
| CIE-LAB | lab(34.79, 1.69, -34.66) |
| CIE-LCH | lch(34.79, 34.70, 272.79°) |
| OKLab | oklab(43.76% -0.0348 -0.0988) |
| OKLCH | oklch(43.76% 0.105 250.6) |
| XYZ | xyz(8.1629, 8.3927, 24.8518) |
| Luminance | 0.0839 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.41
Dusk Blue
#26538D
ΔE00 1.99
Light Navy Blue
#2E5A88
ΔE00 2.39
Deep Sea Blue
#015482
ΔE00 3.15
Denim Blue
#3B5B92
ΔE00 4.82
Prussian Blue
#004577
ΔE00 5.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C5489 #89511C
analogous
#1C8987 #1C5489 #1C1E89
triadic
#1C5489 #891C54 #54891C
tetradic
#1C5489 #871C89 #89511C #1E891C
square
#1C5489 #871C89 #89511C #1E891C
split-complementary
#1C5489 #891C1E #89871C
monochromatic
#071623 #123556 #1C5489 #2673BC #4692D9
Accessibility & contrast
On white
7.84
#1C5489 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#1C5489 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C5489
7.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C5489 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C5489 | 1.00 | 7.84 | 2.68 | 7.84 |
| #FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B578B
Deuteranopia (green-blind)
#2A4D88
Tritanopia (blue-blind)
#006168
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #1c5489; /* rgb */ color: rgb(28, 84, 137); /* oklch */ color: oklch(43.8% 0.105 250.6);
Tailwind
colors: {
custom: {
50: '#6a83ac',
500: '#1c5489',
950: '#000000',
},
}SCSS
$custom: #1c5489; $custom-light: #6a83ac; $custom-dark: #000000;
JSON
{
"hex": "#1c5489",
"rgb": {
"r": 28,
"g": 84,
"b": 137
},
"hsl": {
"h": 209.174,
"s": 66.061,
"l": 32.353
},
"oklch": {
"l": 0.43762,
"c": 0.10477,
"h": 250.6
},
"luminance": 0.08394
}Semantic roles & 50–950 ramp
primary
#1C5489
secondary
#BB7F46
accent
#923FE9
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F