#170D0A
Closest named color: Almost Black (#070D0D). oklch(17.2% 0.018 37.4), rgb(23, 13, 10).
Aa
White text reads best on this color (19.11:1).
About this color
#170D0A is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.034 away. White text reads best on it, at 19.11:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.11:1 |
Values
| HEX | #170D0A |
| RGB | rgb(23, 13, 10) |
| HSL | hsl(14, 39%, 6%) |
| OKLCH | oklch(17.2% 0.018 37.4) |
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 #170D0A | 19.11:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #170D0A | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #170D0A text on white | 19.11:1 | AAA | Lc 105.5 | Preferred for body text |
| #170D0A 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E1D7D3
oklch(88.6% 0.012 43.3)
-
Step 300
300
#CEBCB7
oklch(80.9% 0.022 36)
-
Step 400
400
#B59A91
oklch(70.8% 0.035 39.3)
-
Step 500
500
#A28176
oklch(63.2% 0.044 39.2)
-
Step 600
600
#8D6A5F
oklch(55.6% 0.048 38.2)
-
Step 700
700
#78584E
oklch(49.1% 0.046 38.1)
-
Step 800
800
#624840
oklch(42.7% 0.038 37.8)
-
Step 900
900
#503C37
oklch(37.7% 0.03 34.4)
-
Step 950
950 (this color)
#170D0A
oklch(17.2% 0.018 37.4)
#170D0A 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) | #0F0E0A | 0.018 |
| Deuteranopia (no green cones) | #12100A | 0.015 |
| Tritanopia (no blue cones) | #190C0C | 0.008 |
| Achromatopsia (no color) | #0F0F0F | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170D0A
#170D0A
oklch(17.2% 0.018 37.4)
- #061215
#061215
oklch(17.2% 0.019 214.8)
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 #170D0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.034
- Very Dark Brown #1D0200 ΔE 0.041
- Rich Navy #001219 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.069
- Dark Brown #341C02 ΔE 0.090
- Dark Maroon #3C0008 ΔE 0.090
- Jet #212529 ΔE 0.094
- Dark #1B2431 ΔE 0.096
Use #170D0A 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.