#170707
Closest named color: Very Dark Brown (#1D0200). oklch(15.5% 0.029 21), rgb(23, 7, 7).
Aa
White text reads best on this color (19.62:1).
About this color
#170707 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 0.026 away. White text reads best on it, at 19.62:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.62:1 |
Values
| HEX | #170707 |
| RGB | rgb(23, 7, 7) |
| HSL | hsl(0, 53%, 6%) |
| OKLCH | oklch(15.5% 0.029 21) |
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 #170707 | 19.62:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #170707 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #170707 text on white | 19.62:1 | AAA | Lc 105.7 | Preferred for body text |
| #170707 text on black | 1.06:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E6D4D4
oklch(88.5% 0.02 17.5)
-
Step 300
300
#D6B8B7
oklch(80.8% 0.035 20.2)
-
Step 400
400
#C19392
oklch(70.6% 0.056 20)
-
Step 500
500
#B17877
oklch(63.1% 0.072 20.4)
-
Step 600
600
#9C615F
oklch(55.7% 0.077 21.9)
-
Step 700
700
#85504F
oklch(49.2% 0.072 21.1)
-
Step 800
800
#6C4141
oklch(42.6% 0.06 19.9)
-
Step 900
900
#583837
oklch(37.8% 0.046 21.4)
-
Step 950
950 (this color)
#170707
oklch(15.5% 0.029 21)
#170707 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) | #0A0907 | 0.032 |
| Deuteranopia (no green cones) | #0E0D07 | 0.030 |
| Tritanopia (no blue cones) | #1A0507 | 0.010 |
| Achromatopsia (no color) | #0B0B0B | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170707
#170707
oklch(15.5% 0.029 21)
- #000F11
#000F11
oklch(15.4% 0.026 204.2)
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 #170707, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.026
- Almost Black #070D0D ΔE 0.040
- Rich Navy #001219 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.086
- Dark Maroon #3C0008 ΔE 0.093
- Midnight #03012D ΔE 0.103
- Very Dark Purple #2A0134 ΔE 0.104
- Dark Brown #341C02 ΔE 0.106
Use #170707 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.