#0B104A#0B104A
#0B104A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.0% C 0.105 H 270.4°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).
Color values
| HEX | #0B104A |
|---|---|
| RGB | rgb(11, 16, 74) |
| HSL | hsl(235, 74%, 17%) |
| HSV | hsv(235, 85%, 29%) |
| CMYK | cmyk(85.1%, 78.4%, 0%, 71%) |
| CIE-LAB | lab(8.45, 21.66, -36.32) |
| CIE-LCH | lch(8.45, 42.29, 300.82°) |
| OKLab | oklab(21.97% 0.0008 -0.1051) |
| OKLCH | oklch(21.97% 0.105 270.4) |
| XYZ | xyz(1.5589, 0.9360, 6.5757) |
| Luminance | 0.0094 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.95
Night Blue
#040348
ΔE00 3.17
Midnight Blue (survey)
#020035
ΔE00 4.32
Dark Navy
#000435
ΔE00 4.57
Dark Indigo
#1F0954
ΔE00 4.62
Navy (survey)
#01153E
ΔE00 4.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B104A #4A450B
analogous
#0B304A #0B104A #260B4A
triadic
#0B104A #4A0B10 #104A0B
tetradic
#0B104A #4A0B30 #4A450B #0B4A26
square
#0B104A #4A0B30 #4A450B #0B4A26
split-complementary
#0B104A #4A260B #304A0B
monochromatic
#04061B #04061B #0B104A #131C7F #1B27B5
Accessibility & contrast
On white
17.69
#0B104A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.19
#0B104A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B104A
17.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B104A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B104A | 1.00 | 17.69 | 1.19 | 17.69 |
| #FFFFFF | 17.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001B4C
Deuteranopia (green-blind)
#001549
Tritanopia (blue-blind)
#00202B
Achromatopsia (no color)
#181818
Design tokens & code
CSS
--color: #0b104a; /* rgb */ color: rgb(11, 16, 74); /* oklch */ color: oklch(22.0% 0.105 270.4);
Tailwind
colors: {
custom: {
50: '#574e7d',
500: '#0b104a',
950: '#000000',
},
}SCSS
$custom: #0b104a; $custom-light: #574e7d; $custom-dark: #000000;
JSON
{
"hex": "#0b104a",
"rgb": {
"r": 11,
"g": 16,
"b": 74
},
"hsl": {
"h": 235.238,
"s": 74.118,
"l": 16.667
},
"oklch": {
"l": 0.21968,
"c": 0.10515,
"h": 270.4
},
"luminance": 0.00936
}Semantic roles & 50–950 ramp
primary
#0B104A
secondary
#867F2B
accent
#E237F1
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04010A
muted
#79777C