#1A537F#1A537F
#1A537F is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.093 H 246.0°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).
Color values
| HEX | #1A537F |
|---|---|
| RGB | rgb(26, 83, 127) |
| HSL | hsl(206, 66%, 30%) |
| HSV | hsv(206, 80%, 50%) |
| CMYK | cmyk(79.5%, 34.6%, 0%, 50.2%) |
| CIE-LAB | lab(33.85, -1.88, -30.00) |
| CIE-LCH | lch(33.85, 30.06, 266.42°) |
| OKLab | oklab(42.83% -0.0379 -0.0852) |
| OKLCH | oklch(42.83% 0.093 246) |
| XYZ | xyz(7.3485, 7.9376, 21.2194) |
| Luminance | 0.0794 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 1.68
Light Navy
#155084
ΔE00 1.78
Light Navy Blue
#2E5A88
ΔE00 3.27
Dusk Blue
#26538D
ΔE00 3.61
Prussian Blue
#004577
ΔE00 4.70
Twilight Blue
#0A437A
ΔE00 5.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A537F #7F461A
analogous
#1A7F79 #1A537F #1A207F
triadic
#1A537F #7F1A53 #537F1A
tetradic
#1A537F #791A7F #7F461A #207F1A
square
#1A537F #791A7F #7F461A #207F1A
split-complementary
#1A537F #7F1A20 #7F791A
monochromatic
#051119 #10324C #1A537F #2474B2 #3C94D7
Accessibility & contrast
On white
8.12
#1A537F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#1A537F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A537F
8.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A537F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A537F | 1.00 | 8.12 | 2.59 | 8.12 |
| #FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F5581
Deuteranopia (green-blind)
#304B7E
Tritanopia (blue-blind)
#005E63
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1a537f; /* rgb */ color: rgb(26, 83, 127); /* oklch */ color: oklch(42.8% 0.093 246.0);
Tailwind
colors: {
custom: {
50: '#6783a4',
500: '#1a537f',
950: '#000000',
},
}SCSS
$custom: #1a537f; $custom-light: #6783a4; $custom-dark: #000000;
JSON
{
"hex": "#1a537f",
"rgb": {
"r": 26,
"g": 83,
"b": 127
},
"hsl": {
"h": 206.139,
"s": 66.013,
"l": 30
},
"oklch": {
"l": 0.42827,
"c": 0.09326,
"h": 246
},
"luminance": 0.07938
}Semantic roles & 50–950 ramp
primary
#1A537F
secondary
#B37342
accent
#893FE9
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F