#09174B#09174B
#09174B is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.098 H 266.7°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).
Color values
| HEX | #09174B |
|---|---|
| RGB | rgb(9, 23, 75) |
| HSL | hsl(227, 79%, 16%) |
| HSV | hsv(227, 88%, 29%) |
| CMYK | cmyk(88%, 69.3%, 0%, 70.6%) |
| CIE-LAB | lab(10.40, 16.68, -33.81) |
| CIE-LCH | lch(10.40, 37.70, 296.25°) |
| OKLab | oklab(23.4% -0.0057 -0.0978) |
| OKLCH | oklch(23.4% 0.098 266.7) |
| XYZ | xyz(1.6886, 1.1787, 6.7938) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.82
Navy (survey)
#01153E
ΔE00 3.00
Dark Navy
#000435
ΔE00 4.72
Midnight Blue (survey)
#020035
ΔE00 5.12
Very Dark Blue
#000133
ΔE00 5.18
Night Blue
#040348
ΔE00 5.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#09174B #4B3D09
analogous
#09384B #09174B #1C094B
triadic
#09174B #4B0917 #174B09
tetradic
#09174B #4B0938 #4B3D09 #094B1C
square
#09174B #4B0938 #4B3D09 #094B1C
split-complementary
#09174B #4B1C09 #384B09
monochromatic
#03081B #03081B #09174B #102882 #1639B8
Accessibility & contrast
On white
16.99
#09174B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#09174B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #09174B
16.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##09174B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##09174B | 1.00 | 16.99 | 1.24 | 16.99 |
| #FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001F4D
Deuteranopia (green-blind)
#00194A
Tritanopia (blue-blind)
#00252E
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #09174b; /* rgb */ color: rgb(9, 23, 75); /* oklch */ color: oklch(23.4% 0.098 266.7);
Tailwind
colors: {
custom: {
50: '#56537e',
500: '#09174b',
950: '#000000',
},
}SCSS
$custom: #09174b; $custom-light: #56537e; $custom-dark: #000000;
JSON
{
"hex": "#09174b",
"rgb": {
"r": 9,
"g": 23,
"b": 75
},
"hsl": {
"h": 227.273,
"s": 78.571,
"l": 16.471
},
"oklch": {
"l": 0.23398,
"c": 0.098,
"h": 266.7
},
"luminance": 0.01179
}Semantic roles & 50–950 ramp
primary
#09174B
secondary
#887428
accent
#CC33F5
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#03020A
muted
#78787C