#170C10
Closest named color: Almost Black (#070D0D). oklch(17.2% 0.02 356), rgb(23, 12, 16).
Aa
White text reads best on this color (19.15:1).
About this color
#170C10 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.036 away. White text reads best on it, at 19.15:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.15:1 |
Values
| HEX | #170C10 |
| RGB | rgb(23, 12, 16) |
| HSL | hsl(338, 31%, 7%) |
| OKLCH | oklch(17.2% 0.02 356) |
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 #170C10 | 19.15:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #170C10 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #170C10 text on white | 19.15:1 | AAA | Lc 105.5 | Preferred for body text |
| #170C10 text on black | 1.09:1 | 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
#F7F4F5
oklch(97% 0.003 354.7)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E1D6D9
oklch(88.6% 0.013 358.8)
-
Step 300
300
#CEBAC1
oklch(80.8% 0.025 354.4)
-
Step 400
400
#B597A1
oklch(70.6% 0.038 356.1)
-
Step 500
500
#A37D8A
oklch(63% 0.05 356.2)
-
Step 600
600
#8D6674
oklch(55.5% 0.054 355.7)
-
Step 700
700
#785562
oklch(49.1% 0.05 355.1)
-
Step 800
800
#624650
oklch(42.8% 0.041 355.8)
-
Step 900
900
#503B42
oklch(37.8% 0.031 356.9)
-
Step 950
950 (this color)
#170C10
oklch(17.2% 0.02 356)
#170C10 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) | #0D0E10 | 0.023 |
| Deuteranopia (no green cones) | #101010 | 0.020 |
| Tritanopia (no blue cones) | #190C0D | 0.008 |
| Achromatopsia (no color) | #0F0F0F | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170C10
#170C10
oklch(17.2% 0.02 356)
- #06130F
#06130F
oklch(17.3% 0.021 172.6)
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 #170C10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.036
- Very Dark Brown #1D0200 ΔE 0.045
- Rich Navy #001219 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.065
- Dark Maroon #3C0008 ΔE 0.090
- Very Dark Purple #2A0134 ΔE 0.092
- Midnight #03012D ΔE 0.093
- Dark #1B2431 ΔE 0.094
Use #170C10 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.