#0B0B45#0B0B45
#0B0B45 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.5% C 0.104 H 272.4°. Best body text is #FFFFFF at 18.29:1 contrast (WCAG AA passes).
Color values
| HEX | #0B0B45 |
|---|---|
| RGB | rgb(11, 11, 69) |
| HSL | hsl(240, 73%, 16%) |
| HSV | hsv(240, 84%, 27%) |
| CMYK | cmyk(84.1%, 84.1%, 0%, 72.9%) |
| CIE-LAB | lab(6.68, 22.76, -35.71) |
| CIE-LCH | lch(6.68, 42.35, 302.50°) |
| OKLab | oklab(20.47% 0.0044 -0.1038) |
| OKLCH | oklch(20.47% 0.104 272.4) |
| XYZ | xyz(1.3315, 0.7400, 5.7017) |
| Luminance | 0.0074 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Night Blue
#040348
ΔE00 2.30
Navy Blue (survey)
#001146
ΔE00 2.81
Midnight Blue (survey)
#020035
ΔE00 3.72
Dark Navy
#000435
ΔE00 4.31
Dark Indigo
#1F0954
ΔE00 4.34
Very Dark Blue
#000133
ΔE00 4.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B0B45 #45450B
analogous
#0B2845 #0B0B45 #280B45
triadic
#0B0B45 #450B0B #0B450B
tetradic
#0B0B45 #450B28 #45450B #0B4528
square
#0B0B45 #450B28 #45450B #0B4528
split-complementary
#0B0B45 #45280B #28450B
monochromatic
#04041A #04041A #0B0B45 #13137A #1C1CAF
Accessibility & contrast
On white
18.29
#0B0B45 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.15
#0B0B45 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B0B45
18.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B0B45 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B0B45 | 1.00 | 18.29 | 1.15 | 18.29 |
| #FFFFFF | 18.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001847
Deuteranopia (green-blind)
#001244
Tritanopia (blue-blind)
#001C27
Achromatopsia (no color)
#151515
Design tokens & code
CSS
--color: #0b0b45; /* rgb */ color: rgb(11, 11, 69); /* oklch */ color: oklch(20.5% 0.104 272.4);
Tailwind
colors: {
custom: {
50: '#564b79',
500: '#0b0b45',
950: '#000000',
},
}SCSS
$custom: #0b0b45; $custom-light: #564b79; $custom-dark: #000000;
JSON
{
"hex": "#0b0b45",
"rgb": {
"r": 11,
"g": 11,
"b": 69
},
"hsl": {
"h": 240,
"s": 72.5,
"l": 15.686
},
"oklch": {
"l": 0.20472,
"c": 0.10385,
"h": 272.4
},
"luminance": 0.0074
}Semantic roles & 50–950 ramp
primary
#0B0B45
secondary
#81812A
accent
#EF39EF
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030109
muted
#78777B