#0B1143#0B1143
#0B1143 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.093 H 270.6°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).
Color values
| HEX | #0B1143 |
|---|---|
| RGB | rgb(11, 17, 67) |
| HSL | hsl(234, 72%, 15%) |
| HSV | hsv(234, 84%, 26%) |
| CMYK | cmyk(83.6%, 74.6%, 0%, 73.7%) |
| CIE-LAB | lab(7.92, 18.01, -32.27) |
| CIE-LCH | lch(7.92, 36.95, 299.17°) |
| OKLab | oklab(21.35% 0.001 -0.0933) |
| OKLCH | oklch(21.35% 0.093 270.6) |
| XYZ | xyz(1.3512, 0.8771, 5.4072) |
| Luminance | 0.0088 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.61
Dark Navy
#000435
ΔE00 3.31
Midnight Blue (survey)
#020035
ΔE00 3.34
Navy (survey)
#01153E
ΔE00 3.52
Very Dark Blue
#000133
ΔE00 3.68
Night Blue
#040348
ΔE00 4.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B1143 #433D0B
analogous
#0B2D43 #0B1143 #210B43
triadic
#0B1143 #430B11 #11430B
tetradic
#0B1143 #430B2D #433D0B #0B4321
square
#0B1143 #430B2D #433D0B #0B4321
split-complementary
#0B1143 #43210B #2D430B
monochromatic
#04071A #04071A #0B1143 #141E78 #1C2CAC
Accessibility & contrast
On white
17.87
#0B1143 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.18
#0B1143 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B1143
17.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B1143 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B1143 | 1.00 | 17.87 | 1.18 | 17.87 |
| #FFFFFF | 17.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001A45
Deuteranopia (green-blind)
#001542
Tritanopia (blue-blind)
#001E28
Achromatopsia (no color)
#171717
Design tokens & code
CSS
--color: #0b1143; /* rgb */ color: rgb(11, 17, 67); /* oklch */ color: oklch(21.3% 0.093 270.6);
Tailwind
colors: {
custom: {
50: '#554e78',
500: '#0b1143',
950: '#000000',
},
}SCSS
$custom: #0b1143; $custom-light: #554e78; $custom-dark: #000000;
JSON
{
"hex": "#0b1143",
"rgb": {
"r": 11,
"g": 17,
"b": 67
},
"hsl": {
"h": 233.571,
"s": 71.795,
"l": 15.294
},
"oklch": {
"l": 0.21349,
"c": 0.09333,
"h": 270.6
},
"luminance": 0.00877
}Semantic roles & 50–950 ramp
primary
#0B1143
secondary
#80762A
accent
#DB39EF
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030109
muted
#78777B