#1B4694#1B4694
#1B4694 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.2% C 0.137 H 261.1°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).
Color values
| HEX | #1B4694 |
|---|---|
| RGB | rgb(27, 70, 148) |
| HSL | hsl(219, 69%, 34%) |
| HSV | hsv(219, 82%, 58%) |
| CMYK | cmyk(81.8%, 52.7%, 0%, 42%) |
| CIE-LAB | lab(31.23, 15.40, -47.09) |
| CIE-LCH | lch(31.23, 49.54, 288.11°) |
| OKLab | oklab(41.24% -0.0212 -0.1356) |
| OKLCH | oklch(41.24% 0.137 261.1) |
| XYZ | xyz(7.9855, 6.7505, 28.8933) |
| Luminance | 0.0675 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.08
Cobalt
#0047AB
ΔE00 3.02
Darkish Blue
#014182
ΔE00 3.44
Twilight Blue
#0A437A
ΔE00 4.32
Dusk Blue
#26538D
ΔE00 4.69
Prussian Blue
#004577
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B4694 #94691B
analogous
#1B8394 #1B4694 #2D1B94
triadic
#1B4694 #941B46 #46941B
tetradic
#1B4694 #941B83 #94691B #1B942D
square
#1B4694 #941B83 #94691B #1B942D
split-complementary
#1B4694 #942D1B #83941B
monochromatic
#08152C #122E60 #1B4694 #245EC8 #4B7FDE
Accessibility & contrast
On white
8.94
#1B4694 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#1B4694 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B4694
8.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B4694 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B4694 | 1.00 | 8.94 | 2.35 | 8.94 |
| #FFFFFF | 8.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#114F97
Deuteranopia (green-blind)
#004492
Tritanopia (blue-blind)
#005966
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #1b4694; /* rgb */ color: rgb(27, 70, 148); /* oklch */ color: oklch(41.2% 0.137 261.1);
Tailwind
colors: {
custom: {
50: '#6c78b4',
500: '#1b4694',
950: '#000000',
},
}SCSS
$custom: #1b4694; $custom-light: #6c78b4; $custom-dark: #000000;
JSON
{
"hex": "#1b4694",
"rgb": {
"r": 27,
"g": 70,
"b": 148
},
"hsl": {
"h": 218.678,
"s": 69.143,
"l": 34.314
},
"oklch": {
"l": 0.41235,
"c": 0.13729,
"h": 261.1
},
"luminance": 0.06751
}Semantic roles & 50–950 ramp
primary
#1B4694
secondary
#C0964B
accent
#AD3CEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080911
muted
#7B7B80