#0B2F39#0B2F39
#0B2F39 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.5% C 0.044 H 220.0°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).
Color values
| HEX | #0B2F39 |
|---|---|
| RGB | rgb(11, 47, 57) |
| HSL | hsl(193, 68%, 13%) |
| HSV | hsv(193, 81%, 22%) |
| CMYK | cmyk(80.7%, 17.5%, 0%, 77.6%) |
| CIE-LAB | lab(17.46, -8.69, -10.07) |
| CIE-LCH | lch(17.46, 13.30, 229.21°) |
| OKLab | oklab(28.49% -0.0335 -0.0281) |
| OKLCH | oklch(28.49% 0.044 220) |
| XYZ | xyz(1.8927, 2.3994, 4.2335) |
| Luminance | 0.0240 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 6.78
Gunmetal
#2A3439
ΔE00 7.28
Charcoal
#36454F
ΔE00 9.62
Dark Grey Blue
#29465B
ΔE00 9.98
Dark
#1B2431
ΔE00 10.00
Dark Slate Blue
#214761
ΔE00 10.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B2F39 #39150B
analogous
#0B392C #0B2F39 #0B1839
triadic
#0B2F39 #390B2F #2F390B
tetradic
#0B2F39 #2C0B39 #39150B #18390B
square
#0B2F39 #2C0B39 #39150B #18390B
split-complementary
#0B2F39 #390B18 #392C0B
monochromatic
#05151A #05151A #0B2F39 #15596C #1F84A0
Accessibility & contrast
On white
14.19
#0B2F39 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.48
#0B2F39 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B2F39
14.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B2F39 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B2F39 | 1.00 | 14.19 | 1.48 | 14.19 |
| #FFFFFF | 14.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#292E3A
Deuteranopia (green-blind)
#222939
Tritanopia (blue-blind)
#003232
Achromatopsia (no color)
#2B2B2B
Design tokens & code
CSS
--color: #0b2f39; /* rgb */ color: rgb(11, 47, 57); /* oklch */ color: oklch(28.5% 0.044 220.0);
Tailwind
colors: {
custom: {
50: '#51676f',
500: '#0b2f39',
950: '#000000',
},
}SCSS
$custom: #0b2f39; $custom-light: #51676f; $custom-dark: #000000;
JSON
{
"hex": "#0b2f39",
"rgb": {
"r": 11,
"g": 47,
"b": 57
},
"hsl": {
"h": 193.043,
"s": 67.647,
"l": 13.333
},
"oklch": {
"l": 0.28492,
"c": 0.04374,
"h": 220
},
"luminance": 0.024
}Semantic roles & 50–950 ramp
primary
#0B2F39
secondary
#763B2A
accent
#633DEB
background
#F4F6F6
surface
#E7EBEC
border
#C3C6C7
text
#020607
muted
#787A7A