#1B4692#1B4692
#1B4692 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.1% C 0.134 H 260.8°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).
Color values
| HEX | #1B4692 |
|---|---|
| RGB | rgb(27, 70, 146) |
| HSL | hsl(218, 69%, 34%) |
| HSV | hsv(218, 82%, 57%) |
| CMYK | cmyk(81.5%, 52.1%, 0%, 42.7%) |
| CIE-LAB | lab(31.09, 14.59, -46.10) |
| CIE-LCH | lch(31.09, 48.36, 287.56°) |
| OKLab | oklab(41.08% -0.0214 -0.1327) |
| OKLCH | oklch(41.08% 0.134 260.8) |
| XYZ | xyz(7.8286, 6.6877, 28.0668) |
| Luminance | 0.0669 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.86
Darkish Blue
#014182
ΔE00 3.20
Cobalt
#0047AB
ΔE00 3.28
Twilight Blue
#0A437A
ΔE00 4.06
Dusk Blue
#26538D
ΔE00 4.59
Prussian Blue
#004577
ΔE00 5.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B4692 #92671B
analogous
#1B8292 #1B4692 #2B1B92
triadic
#1B4692 #921B46 #46921B
tetradic
#1B4692 #921B82 #92671B #1B922B
square
#1B4692 #921B82 #92671B #1B922B
split-complementary
#1B4692 #922B1B #82921B
monochromatic
#08142B #112D5E #1B4692 #255FC6 #4A7FDE
Accessibility & contrast
On white
8.98
#1B4692 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#1B4692 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B4692
8.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B4692 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B4692 | 1.00 | 8.98 | 2.34 | 8.98 |
| #FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#154F95
Deuteranopia (green-blind)
#004490
Tritanopia (blue-blind)
#005865
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #1b4692; /* rgb */ color: rgb(27, 70, 146); /* oklch */ color: oklch(41.1% 0.134 260.8);
Tailwind
colors: {
custom: {
50: '#6c78b2',
500: '#1b4692',
950: '#000000',
},
}SCSS
$custom: #1b4692; $custom-light: #6c78b2; $custom-dark: #000000;
JSON
{
"hex": "#1b4692",
"rgb": {
"r": 27,
"g": 70,
"b": 146
},
"hsl": {
"h": 218.319,
"s": 68.786,
"l": 33.922
},
"oklch": {
"l": 0.41076,
"c": 0.13447,
"h": 260.8
},
"luminance": 0.06689
}Semantic roles & 50–950 ramp
primary
#1B4692
secondary
#BF9549
accent
#AC3CEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080911
muted
#7B7B80