#0F4257#0F4257
#0F4257 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.7% C 0.063 H 230.3°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).
Color values
| HEX | #0F4257 |
|---|---|
| RGB | rgb(15, 66, 87) |
| HSL | hsl(198, 71%, 20%) |
| HSV | hsv(198, 83%, 34%) |
| CMYK | cmyk(82.8%, 24.1%, 0%, 65.9%) |
| CIE-LAB | lab(25.82, -8.32, -17.27) |
| CIE-LCH | lch(25.82, 19.17, 244.27°) |
| OKLab | oklab(35.69% -0.0403 -0.0486) |
| OKLCH | oklch(35.69% 0.063 230.3) |
| XYZ | xyz(3.8648, 4.6856, 9.7157) |
| Luminance | 0.0469 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 4.06
Dark Slate Blue
#214761
ΔE00 4.27
Dark Grey Blue
#29465B
ΔE00 4.34
Charcoal
#36454F
ΔE00 7.32
Prussian Blue
#004577
ΔE00 8.89
Deep Sea Blue
#015482
ΔE00 9.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0F4257 #57240F
analogous
#0F5748 #0F4257 #0F1E57
triadic
#0F4257 #570F42 #42570F
tetradic
#0F4257 #480F57 #57240F #1E570F
square
#0F4257 #480F57 #57240F #1E570F
split-complementary
#0F4257 #570F1E #57480F
monochromatic
#05141A #061A23 #0F4257 #186A8B #2191BF
Accessibility & contrast
On white
10.84
#0F4257 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.94
#0F4257 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0F4257
10.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0F4257 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0F4257 | 1.00 | 10.84 | 1.94 | 10.84 |
| #FFFFFF | 10.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#374158
Deuteranopia (green-blind)
#2E3A57
Tritanopia (blue-blind)
#004849
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #0f4257; /* rgb */ color: rgb(15, 66, 87); /* oklch */ color: oklch(35.7% 0.063 230.3);
Tailwind
colors: {
custom: {
50: '#5a7686',
500: '#0f4257',
950: '#000000',
},
}SCSS
$custom: #0f4257; $custom-light: #5a7686; $custom-dark: #000000;
JSON
{
"hex": "#0f4257",
"rgb": {
"r": 15,
"g": 66,
"b": 87
},
"hsl": {
"h": 197.5,
"s": 70.588,
"l": 20
},
"oklch": {
"l": 0.35691,
"c": 0.06308,
"h": 230.3
},
"luminance": 0.04686
}Semantic roles & 50–950 ramp
primary
#0F4257
secondary
#914D31
accent
#6F3AED
background
#F5F7F8
surface
#E9EDEF
border
#C5C8CA
text
#04080B
muted
#797B7C