#0F174A#0F174A
#0F174A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.095 H 270.4°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).
Color values
| HEX | #0F174A |
|---|---|
| RGB | rgb(15, 23, 74) |
| HSL | hsl(232, 66%, 17%) |
| HSV | hsv(232, 80%, 29%) |
| CMYK | cmyk(79.7%, 68.9%, 0%, 71%) |
| CIE-LAB | lab(10.62, 17.01, -32.74) |
| CIE-LCH | lch(10.62, 36.90, 297.45°) |
| OKLab | oklab(23.62% 0.0007 -0.0946) |
| OKLCH | oklch(23.62% 0.095 270.4) |
| XYZ | xyz(1.7390, 1.2086, 6.6189) |
| Luminance | 0.0121 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.09
Navy (survey)
#01153E
ΔE00 3.26
Dark Navy
#000435
ΔE00 4.73
Midnight Blue (survey)
#020035
ΔE00 5.05
Very Dark Blue
#000133
ΔE00 5.18
Night Blue
#040348
ΔE00 5.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0F174A #4A420F
analogous
#0F354A #0F174A #240F4A
triadic
#0F174A #4A0F17 #174A0F
tetradic
#0F174A #4A0F35 #4A420F #0F4A24
square
#0F174A #4A0F35 #4A420F #0F4A24
split-complementary
#0F174A #4A240F #354A0F
monochromatic
#050819 #050819 #0F174A #19277D #2437B0
Accessibility & contrast
On white
16.91
#0F174A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#0F174A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0F174A
16.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0F174A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0F174A | 1.00 | 16.91 | 1.24 | 16.91 |
| #FFFFFF | 16.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00204C
Deuteranopia (green-blind)
#001A49
Tritanopia (blue-blind)
#00242D
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #0f174a; /* rgb */ color: rgb(15, 23, 74); /* oklch */ color: oklch(23.6% 0.095 270.4);
Tailwind
colors: {
custom: {
50: '#58537d',
500: '#0f174a',
950: '#000000',
},
}SCSS
$custom: #0f174a; $custom-light: #58537d; $custom-dark: #000000;
JSON
{
"hex": "#0f174a",
"rgb": {
"r": 15,
"g": 23,
"b": 74
},
"hsl": {
"h": 231.864,
"s": 66.292,
"l": 17.451
},
"oklch": {
"l": 0.23619,
"c": 0.09456,
"h": 270.4
},
"luminance": 0.01209
}Semantic roles & 50–950 ramp
primary
#0F174A
secondary
#847930
accent
#D23FE9
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C