#1B4896#1B4896
#1B4896 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.8% C 0.138 H 260.6°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).
Color values
| HEX | #1B4896 |
|---|---|
| RGB | rgb(27, 72, 150) |
| HSL | hsl(218, 69%, 35%) |
| HSV | hsv(218, 82%, 59%) |
| CMYK | cmyk(82%, 52%, 0%, 41.2%) |
| CIE-LAB | lab(31.96, 14.84, -47.12) |
| CIE-LCH | lch(31.96, 49.41, 287.49°) |
| OKLab | oklab(41.84% -0.0224 -0.1357) |
| OKLCH | oklch(41.84% 0.138 260.6) |
| XYZ | xyz(8.2724, 7.0688, 29.7767) |
| Luminance | 0.0707 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.96
Cobalt
#0047AB
ΔE00 2.82
Darkish Blue
#014182
ΔE00 3.73
Dusk Blue
#26538D
ΔE00 4.11
Twilight Blue
#0A437A
ΔE00 4.46
Light Navy
#155084
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B4896 #96691B
analogous
#1B8696 #1B4896 #2C1B96
triadic
#1B4896 #961B48 #48961B
tetradic
#1B4896 #961B86 #96691B #1B962C
square
#1B4896 #961B86 #96691B #1B962C
split-complementary
#1B4896 #962C1B #86961B
monochromatic
#08162E #122F62 #1B4896 #2461CA #4D82DF
Accessibility & contrast
On white
8.70
#1B4896 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#1B4896 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B4896
8.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B4896 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B4896 | 1.00 | 8.70 | 2.41 | 8.70 |
| #FFFFFF | 8.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#155199
Deuteranopia (green-blind)
#004694
Tritanopia (blue-blind)
#005B68
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #1b4896; /* rgb */ color: rgb(27, 72, 150); /* oklch */ color: oklch(41.8% 0.138 260.6);
Tailwind
colors: {
custom: {
50: '#6d7ab5',
500: '#1b4896',
950: '#000000',
},
}SCSS
$custom: #1b4896; $custom-light: #6d7ab5; $custom-dark: #000000;
JSON
{
"hex": "#1b4896",
"rgb": {
"r": 27,
"g": 72,
"b": 150
},
"hsl": {
"h": 218.049,
"s": 69.492,
"l": 34.706
},
"oklch": {
"l": 0.41839,
"c": 0.13755,
"h": 260.6
},
"luminance": 0.0707
}Semantic roles & 50–950 ramp
primary
#1B4896
secondary
#C1964C
accent
#AC3BEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080911
muted
#7B7B80