#170912
Closest named color: Almost Black (#070D0D). oklch(16.5% 0.03 341.8), rgb(23, 9, 18).
Aa
White text reads best on this color (19.36:1).
About this color
#170912 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.040 away. White text reads best on it, at 19.36:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.08:1 |
| White text | 19.36:1 |
Values
| HEX | #170912 |
| RGB | rgb(23, 9, 18) |
| HSL | hsl(321, 44%, 6%) |
| OKLCH | oklch(16.5% 0.03 341.8) |
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 #170912 | 19.36:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #170912 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #170912 text on white | 19.36:1 | AAA | Lc 105.6 | Preferred for body text |
| #170912 text on black | 1.08:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EC
oklch(93.6% 0.011 339.3)
-
Step 200
200
#E3D4DD
oklch(88.5% 0.02 340.7)
-
Step 300
300
#D1B8C7
oklch(80.8% 0.035 341.2)
-
Step 400
400
#BA93AB
oklch(70.7% 0.057 341.2)
-
Step 500
500
#A87896
oklch(63% 0.072 341.4)
-
Step 600
600
#936180
oklch(55.6% 0.077 342.2)
-
Step 700
700
#7D506C
oklch(49.1% 0.072 342.2)
-
Step 800
800
#664258
oklch(42.8% 0.059 342.6)
-
Step 900
900
#533849
oklch(37.8% 0.046 341.4)
-
Step 950
950 (this color)
#170912
oklch(16.5% 0.03 341.8)
#170912 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) | #0A0C12 | 0.030 |
| Deuteranopia (no green cones) | #0D0E12 | 0.027 |
| Tritanopia (no blue cones) | #19090C | 0.014 |
| Achromatopsia (no color) | #0E0E0E | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170912
#170912
oklch(16.5% 0.03 341.8)
- #03120A
#03120A
oklch(16.4% 0.029 160.8)
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 #170912, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.040
- Very Dark Brown #1D0200 ΔE 0.045
- Rich Navy #001219 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.070
- Very Dark Purple #2A0134 ΔE 0.085
- Midnight #03012D ΔE 0.086
- Midnight Purple #280137 ΔE 0.088
- Dark Navy Blue #00022E ΔE 0.091
Use #170912 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.