#0F0F4B#0F0F4B
#0F0F4B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.107 H 273.4°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).
Color values
| HEX | #0F0F4B |
|---|---|
| RGB | rgb(15, 15, 75) |
| HSL | hsl(240, 67%, 18%) |
| HSV | hsv(240, 80%, 29%) |
| CMYK | cmyk(80%, 80%, 0%, 70.6%) |
| CIE-LAB | lab(8.58, 23.20, -36.79) |
| CIE-LCH | lch(8.58, 43.50, 302.24°) |
| OKLab | oklab(22.17% 0.0064 -0.1064) |
| OKLCH | oklch(22.17% 0.107 273.4) |
| XYZ | xyz(1.6374, 0.9510, 6.7525) |
| Luminance | 0.0095 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.73
Night Blue
#040348
ΔE00 2.78
Dark Indigo
#1F0954
ΔE00 3.85
Midnight Blue (survey)
#020035
ΔE00 4.72
Dark Blue
#00035B
ΔE00 5.10
Dark Navy
#000435
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0F0F4B #4B4B0F
analogous
#0F2D4B #0F0F4B #2D0F4B
triadic
#0F0F4B #4B0F0F #0F4B0F
tetradic
#0F0F4B #4B0F2D #4B4B0F #0F4B2D
square
#0F0F4B #4B0F2D #4B4B0F #0F4B2D
split-complementary
#0F0F4B #4B2D0F #2D4B0F
monochromatic
#05051A #05051A #0F0F4B #19197E #2323B1
Accessibility & contrast
On white
17.64
#0F0F4B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.19
#0F0F4B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0F0F4B
17.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0F0F4B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0F0F4B | 1.00 | 17.64 | 1.19 | 17.64 |
| #FFFFFF | 17.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001C4D
Deuteranopia (green-blind)
#00164A
Tritanopia (blue-blind)
#00202C
Achromatopsia (no color)
#191919
Design tokens & code
CSS
--color: #0f0f4b; /* rgb */ color: rgb(15, 15, 75); /* oklch */ color: oklch(22.2% 0.107 273.4);
Tailwind
colors: {
custom: {
50: '#594e7e',
500: '#0f0f4b',
950: '#000000',
},
}SCSS
$custom: #0f0f4b; $custom-light: #594e7e; $custom-dark: #000000;
JSON
{
"hex": "#0f0f4b",
"rgb": {
"r": 15,
"g": 15,
"b": 75
},
"hsl": {
"h": 240,
"s": 66.667,
"l": 17.647
},
"oklch": {
"l": 0.22168,
"c": 0.10661,
"h": 273.4
},
"luminance": 0.00951
}Semantic roles & 50–950 ramp
primary
#0F0F4B
secondary
#858530
accent
#EA3EEA
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04010A
muted
#79777C