#0F3D51#0F3D51
#0F3D51 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.059 H 231.3°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).
Color values
| HEX | #0F3D51 |
|---|---|
| RGB | rgb(15, 61, 81) |
| HSL | hsl(198, 69%, 19%) |
| HSV | hsv(198, 81%, 32%) |
| CMYK | cmyk(81.5%, 24.7%, 0%, 68.2%) |
| CIE-LAB | lab(23.78, -7.52, -16.50) |
| CIE-LCH | lch(23.78, 18.14, 245.50°) |
| OKLab | oklab(33.97% -0.0371 -0.0464) |
| OKLCH | oklch(33.97% 0.059 231.3) |
| XYZ | xyz(3.3503, 4.0327, 8.3848) |
| Luminance | 0.0403 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 2.98
Dark Grey Blue
#29465B
ΔE00 4.69
Dark Slate Blue
#214761
ΔE00 4.88
Charcoal
#36454F
ΔE00 7.25
Gunmetal
#2A3439
ΔE00 8.94
Prussian Blue
#004577
ΔE00 9.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0F3D51 #51230F
analogous
#0F5144 #0F3D51 #0F1C51
triadic
#0F3D51 #510F3D #3D510F
tetradic
#0F3D51 #440F51 #51230F #1C510F
square
#0F3D51 #440F51 #51230F #1C510F
split-complementary
#0F3D51 #510F1C #51440F
monochromatic
#05131A #05161D #0F3D51 #196485 #228BB8
Accessibility & contrast
On white
11.62
#0F3D51 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.81
#0F3D51 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0F3D51
11.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0F3D51 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0F3D51 | 1.00 | 11.62 | 1.81 | 11.62 |
| #FFFFFF | 11.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#333C52
Deuteranopia (green-blind)
#2A3651
Tritanopia (blue-blind)
#004244
Achromatopsia (no color)
#393939
Design tokens & code
CSS
--color: #0f3d51; /* rgb */ color: rgb(15, 61, 81); /* oklch */ color: oklch(34.0% 0.059 231.3);
Tailwind
colors: {
custom: {
50: '#597282',
500: '#0f3d51',
950: '#000000',
},
}SCSS
$custom: #0f3d51; $custom-light: #597282; $custom-dark: #000000;
JSON
{
"hex": "#0f3d51",
"rgb": {
"r": 15,
"g": 61,
"b": 81
},
"hsl": {
"h": 198.182,
"s": 68.75,
"l": 18.824
},
"oklch": {
"l": 0.33965,
"c": 0.05944,
"h": 231.3
},
"luminance": 0.04033
}Semantic roles & 50–950 ramp
primary
#0F3D51
secondary
#8B4C31
accent
#713CEC
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04080A
muted
#797B7C