#1A5578#1A5578
#1A5578 is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.083 H 239.4°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).
Color values
| HEX | #1A5578 |
|---|---|
| RGB | rgb(26, 85, 120) |
| HSL | hsl(202, 64%, 29%) |
| HSV | hsv(202, 78%, 47%) |
| CMYK | cmyk(78.3%, 29.2%, 0%, 52.9%) |
| CIE-LAB | lab(34.13, -5.87, -25.23) |
| CIE-LCH | lch(34.13, 25.91, 256.90°) |
| OKLab | oklab(42.93% -0.0422 -0.0713) |
| OKLCH | oklch(42.93% 0.083 239.4) |
| XYZ | xyz(7.0633, 8.0718, 18.9514) |
| Luminance | 0.0807 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 2.41
Light Navy
#155084
ΔE00 4.55
Light Navy Blue
#2E5A88
ΔE00 4.98
Dark Slate Blue
#214761
ΔE00 5.27
Ugly Blue
#31668A
ΔE00 6.02
Dusk Blue
#26538D
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A5578 #783D1A
analogous
#1A786C #1A5578 #1A2678
triadic
#1A5578 #781A55 #55781A
tetradic
#1A5578 #6C1A78 #783D1A #26781A
square
#1A5578 #6C1A78 #783D1A #26781A
split-complementary
#1A5578 #781A26 #786C1A
monochromatic
#051219 #0F3146 #1A5578 #2579AA #389AD4
Accessibility & contrast
On white
8.03
#1A5578 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.61
#1A5578 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A5578
8.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A5578 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A5578 | 1.00 | 8.03 | 2.61 | 8.03 |
| #FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#45557A
Deuteranopia (green-blind)
#384C77
Tritanopia (blue-blind)
#005E61
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1a5578; /* rgb */ color: rgb(26, 85, 120); /* oklch */ color: oklch(42.9% 0.083 239.4);
Tailwind
colors: {
custom: {
50: '#65849f',
500: '#1a5578',
950: '#000000',
},
}SCSS
$custom: #1a5578; $custom-light: #65849f; $custom-dark: #000000;
JSON
{
"hex": "#1a5578",
"rgb": {
"r": 26,
"g": 85,
"b": 120
},
"hsl": {
"h": 202.34,
"s": 64.384,
"l": 28.627
},
"oklch": {
"l": 0.42928,
"c": 0.08288,
"h": 239.4
},
"luminance": 0.08073
}Semantic roles & 50–950 ramp
primary
#1A5578
secondary
#AC6941
accent
#7F40E7
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E