#170B06
Closest named color: Very Dark Brown (#1D0200). oklch(16.5% 0.024 45.7), rgb(23, 11, 6).
Aa
White text reads best on this color (19.32:1).
About this color
#170B06 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.034 away. White text reads best on it, at 19.32:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.32:1 |
Values
| HEX | #170B06 |
| RGB | rgb(23, 11, 6) |
| HSL | hsl(18, 59%, 6%) |
| OKLCH | oklch(16.5% 0.024 45.7) |
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 #170B06 | 19.32:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #170B06 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #170B06 text on white | 19.32:1 | AAA | Lc 105.6 | Preferred for body text |
| #170B06 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E3D6D1
oklch(88.5% 0.016 42.4)
-
Step 300
300
#D1BBB2
oklch(80.8% 0.028 43.6)
-
Step 400
400
#BA9889
oklch(70.7% 0.046 45.1)
-
Step 500
500
#A87F6C
oklch(63.1% 0.058 46)
-
Step 600
600
#936854
oklch(55.7% 0.063 45.9)
-
Step 700
700
#7D5644
oklch(49.1% 0.059 45.7)
-
Step 800
800
#664738
oklch(42.8% 0.049 46.8)
-
Step 900
900
#533B31
oklch(37.6% 0.038 43.6)
-
Step 950
950 (this color)
#170B06
oklch(16.5% 0.024 45.7)
#170B06 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) | #0E0C06 | 0.021 |
| Deuteranopia (no green cones) | #110F06 | 0.019 |
| Tritanopia (no blue cones) | #1A090A | 0.015 |
| Achromatopsia (no color) | #0E0E0E | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170B06
#170B06
oklch(16.5% 0.024 45.7)
- #031016
#031016
oklch(16.3% 0.024 226.7)
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 #170B06, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.034
- Almost Black #070D0D ΔE 0.035
- Rich Navy #001219 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.078
- Dark Maroon #3C0008 ΔE 0.092
- Dark Brown #341C02 ΔE 0.094
- Deep Brown #410200 ΔE 0.102
- Jet #212529 ΔE 0.102
Use #170B06 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.