#170709
Closest named color: Very Dark Brown (#1D0200). oklch(15.6% 0.029 12.2), rgb(23, 7, 9).
Aa
White text reads best on this color (19.61:1).
About this color
#170709 is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.029 away. White text reads best on it, at 19.61:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.61:1 |
Values
| HEX | #170709 |
| RGB | rgb(23, 7, 9) |
| HSL | hsl(353, 53%, 6%) |
| OKLCH | oklch(15.6% 0.029 12.2) |
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 #170709 | 19.61:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #170709 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #170709 text on white | 19.61:1 | AAA | Lc 105.7 | Preferred for body text |
| #170709 text on black | 1.07:1 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E7E8
oklch(93.5% 0.01 9.5)
-
Step 200
200
#E6D4D6
oklch(88.5% 0.02 9.8)
-
Step 300
300
#D6B8BA
oklch(80.9% 0.035 13.3)
-
Step 400
400
#C19397
oklch(70.8% 0.056 12.8)
-
Step 500
500
#B0787E
oklch(63.2% 0.071 12.2)
-
Step 600
600
#9B6067
oklch(55.6% 0.077 12.2)
-
Step 700
700
#844F56
oklch(49.1% 0.072 11.5)
-
Step 800
800
#6C4146
oklch(42.7% 0.06 12.4)
-
Step 900
900
#58373B
oklch(37.7% 0.048 11.7)
-
Step 950
950 (this color)
#170709
oklch(15.6% 0.029 12.2)
#170709 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) | #0A0A09 | 0.032 |
| Deuteranopia (no green cones) | #0E0D09 | 0.030 |
| Tritanopia (no blue cones) | #1A0608 | 0.008 |
| Achromatopsia (no color) | #0C0C0C | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170709
#170709
oklch(15.6% 0.029 12.2)
- #00100F
#00100F
oklch(15.6% 0.027 190.2)
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 #170709, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.029
- Almost Black #070D0D ΔE 0.040
- Rich Navy #001219 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.084
- Dark Maroon #3C0008 ΔE 0.093
- Midnight #03012D ΔE 0.099
- Very Dark Purple #2A0134 ΔE 0.100
- Midnight Purple #280137 ΔE 0.104
Use #170709 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.