#170F04
Closest named color: Almost Black (#070D0D). oklch(17.5% 0.026 77.1), rgb(23, 15, 4).
Aa
White text reads best on this color (18.97:1).
About this color
#170F04 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.026. 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 18.97:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.10:1 |
| White text | 18.97:1 |
Values
| HEX | #170F04 |
| RGB | rgb(23, 15, 4) |
| HSL | hsl(35, 70%, 5%) |
| OKLCH | oklch(17.5% 0.026 77.1) |
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 #170F04 | 18.97:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #170F04 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #170F04 text on white | 18.97:1 | AAA | Lc 105.4 | Preferred for body text |
| #170F04 text on black | 1.10:1 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E3
oklch(93.5% 0.009 78.3)
-
Step 200
200
#E0D8CD
oklch(88.6% 0.017 76.1)
-
Step 300
300
#CCBEAB
oklch(80.8% 0.031 75.6)
-
Step 400
400
#B29D7E
oklch(70.6% 0.05 77.4)
-
Step 500
500
#9F855E
oklch(63.1% 0.063 77.3)
-
Step 600
600
#8A6E44
oklch(55.6% 0.068 76.7)
-
Step 700
700
#755C35
oklch(49.1% 0.064 77.5)
-
Step 800
800
#5F4B2D
oklch(42.6% 0.052 76.8)
-
Step 900
900
#4E3F28
oklch(37.7% 0.041 77.7)
-
Step 950
950 (this color)
#170F04
oklch(17.5% 0.026 77.1)
#170F04 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) | #120F03 | 0.012 |
| Deuteranopia (no green cones) | #141104 | 0.010 |
| Tritanopia (no blue cones) | #1A0D0C | 0.022 |
| Achromatopsia (no color) | #101010 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170F04
#170F04
oklch(17.5% 0.026 77.1)
- #09111C
#09111C
oklch(17.6% 0.026 256.4)
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 #170F04, 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 0.046
- Rich Navy #001219 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.075
- Dark Brown #341C02 ΔE 0.083
- Dark Maroon #3C0008 ΔE 0.094
- Jet #212529 ΔE 0.094
- Dark #1B2431 ΔE 0.099
Use #170F04 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.