#1B496F#1B496F
#1B496F is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.3% C 0.082 H 246.9°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).
Color values
| HEX | #1B496F |
|---|---|
| RGB | rgb(27, 73, 111) |
| HSL | hsl(207, 61%, 27%) |
| HSV | hsv(207, 76%, 44%) |
| CMYK | cmyk(75.7%, 34.2%, 0%, 56.5%) |
| CIE-LAB | lab(29.78, -1.57, -26.44) |
| CIE-LCH | lch(29.78, 26.49, 266.61°) |
| OKLab | oklab(39.34% -0.032 -0.075) |
| OKLCH | oklch(39.34% 0.082 246.9) |
| XYZ | xyz(5.7027, 6.1452, 15.9214) |
| Luminance | 0.0615 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Prussian Blue
#004577
ΔE00 2.36
Twilight Blue
#0A437A
ΔE00 3.34
Light Navy
#155084
ΔE00 3.39
Dark Slate Blue
#214761
ΔE00 3.66
Darkish Blue
#014182
ΔE00 4.45
Deep Sea Blue
#015482
ΔE00 4.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B496F #6F411B
analogous
#1B6F6B #1B496F #1B1F6F
triadic
#1B496F #6F1B49 #496F1B
tetradic
#1B496F #6B1B6F #6F411B #1F6F1B
square
#1B496F #6B1B6F #6F411B #1F6F1B
split-complementary
#1B496F #6F1B1F #6F6B1B
monochromatic
#061019 #0F293E #1B496F #2769A0 #3689CE
Accessibility & contrast
On white
9.42
#1B496F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.23
#1B496F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B496F
9.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B496F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B496F | 1.00 | 9.42 | 2.23 | 9.42 |
| #FFFFFF | 9.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#384A71
Deuteranopia (green-blind)
#2C436E
Tritanopia (blue-blind)
#005257
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #1b496f; /* rgb */ color: rgb(27, 73, 111); /* oklch */ color: oklch(39.3% 0.082 246.9);
Tailwind
colors: {
custom: {
50: '#647b98',
500: '#1b496f',
950: '#000000',
},
}SCSS
$custom: #1b496f; $custom-light: #647b98; $custom-dark: #000000;
JSON
{
"hex": "#1b496f",
"rgb": {
"r": 27,
"g": 73,
"b": 111
},
"hsl": {
"h": 207.143,
"s": 60.87,
"l": 27.059
},
"oklch": {
"l": 0.39338,
"c": 0.08153,
"h": 246.9
},
"luminance": 0.06146
}Semantic roles & 50–950 ramp
primary
#1B496F
secondary
#A46E42
accent
#8C44E4
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06090D
muted
#7A7B7E