#091317
Closest named color: Rich Navy (#001219). oklch(17.9% 0.017 225), rgb(9, 19, 23).
Aa
White text reads best on this color (18.79:1).
About this color
#091317 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.018 away. White text reads best on it, at 18.79:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.79:1 |
Values
| HEX | #091317 |
| RGB | rgb(9, 19, 23) |
| HSL | hsl(197, 44%, 6%) |
| OKLCH | oklch(17.9% 0.017 225) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #091317 | 18.79:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #091317 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #091317 text on white | 18.79:1 | AAA | Lc 105.3 | Preferred for body text |
| #091317 text on black | 1.11:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B4C4CA
oklch(81% 0.019 222.2)
-
Step 400
400
#8CA5B0
oklch(70.6% 0.032 226.2)
-
Step 500
500
#6F8F9C
oklch(63% 0.041 224.7)
-
Step 600
600
#577987
oklch(55.5% 0.044 225.4)
-
Step 700
700
#476673
oklch(49.1% 0.042 225.9)
-
Step 800
800
#3A535D
oklch(42.6% 0.035 224.7)
-
Step 900
900
#32454C
oklch(37.7% 0.027 222.6)
-
Step 950
950 (this color)
#091317
oklch(17.9% 0.017 225)
#091317 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #111317 | 0.014 |
| Deuteranopia (no green cones) | #0F1117 | 0.012 |
| Tritanopia (no blue cones) | #051414 | 0.011 |
| Achromatopsia (no color) | #121212 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091317
#091317
oklch(17.9% 0.017 225)
- #180F0B
#180F0B
oklch(17.9% 0.017 45)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #091317, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.018
- Almost Black #070D0D ΔE 0.028
- Rich Black #0D1B2A ΔE 0.044
- Very Dark Brown #1D0200 ΔE 0.076
- Dark #1B2431 ΔE 0.081
- Jet #212529 ΔE 0.084
- Dark Navy #000435 ΔE 0.085
- Dark Navy Blue #00022E ΔE 0.085
Use #091317 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.