#0B223F#0B223F
#0B223F is a dark, moderate cyan. Relative luminance 0.016; OKLCH L 25.1% C 0.062 H 255.6°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).
Color values
| HEX | #0B223F |
|---|---|
| RGB | rgb(11, 34, 63) |
| HSL | hsl(213, 70%, 15%) |
| HSV | hsv(213, 83%, 25%) |
| CMYK | cmyk(82.5%, 46%, 0%, 75.3%) |
| CIE-LAB | lab(13.07, 3.02, -21.12) |
| CIE-LCH | lch(13.07, 21.33, 278.15°) |
| OKLab | oklab(25.13% -0.0155 -0.0603) |
| OKLCH | oklch(25.13% 0.062 255.6) |
| XYZ | xyz(1.6069, 1.5739, 4.9208) |
| Luminance | 0.0157 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 3.41
Navy (survey)
#01153E
ΔE00 5.76
Marine
#042E60
ΔE00 6.18
Dark
#1B2431
ΔE00 6.90
Navy Blue (survey)
#001146
ΔE00 7.86
Dark Navy Blue
#00022E
ΔE00 8.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B223F #3F280B
analogous
#0B3C3F #0B223F #0E0B3F
triadic
#0B223F #3F0B22 #223F0B
tetradic
#0B223F #3F0B3C #3F280B #0B3F0E
square
#0B223F #3F0B3C #3F280B #0B3F0E
split-complementary
#0B223F #3F0E0B #3C3F0B
monochromatic
#050E1A #050E1A #0B223F #143E73 #1D5AA7
Accessibility & contrast
On white
15.97
#0B223F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.31
#0B223F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B223F
15.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B223F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B223F | 1.00 | 15.97 | 1.31 | 15.97 |
| #FFFFFF | 15.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#142440
Deuteranopia (green-blind)
#0C1F3E
Tritanopia (blue-blind)
#00292D
Achromatopsia (no color)
#222222
Design tokens & code
CSS
--color: #0b223f; /* rgb */ color: rgb(11, 34, 63); /* oklch */ color: oklch(25.1% 0.062 255.6);
Tailwind
colors: {
custom: {
50: '#525c74',
500: '#0b223f',
950: '#000000',
},
}SCSS
$custom: #0b223f; $custom-light: #525c74; $custom-dark: #000000;
JSON
{
"hex": "#0b223f",
"rgb": {
"r": 11,
"g": 34,
"b": 63
},
"hsl": {
"h": 213.462,
"s": 70.27,
"l": 14.51
},
"oklch": {
"l": 0.25132,
"c": 0.06223,
"h": 255.6
},
"luminance": 0.01574
}Semantic roles & 50–950 ramp
primary
#0B223F
secondary
#7C582A
accent
#9E3BED
background
#F4F5F7
surface
#E7E9ED
border
#C3C5C8
text
#020408
muted
#78797B