#15170A
Closest named color: Almost Black (#070D0D). oklch(19.8% 0.024 115.8), rgb(21, 23, 10).
Aa
White text reads best on this color (18.12:1).
About this color
#15170A is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.052 away. White text reads best on it, at 18.12:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.15:1 |
| White text | 18.12:1 |
Values
| HEX | #15170A |
| RGB | rgb(21, 23, 10) |
| HSL | hsl(69, 39%, 6%) |
| OKLCH | oklch(19.8% 0.024 115.8) |
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 #15170A | 18.12:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #15170A | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #15170A text on white | 18.12:1 | AAA | Lc 104.8 | Preferred for body text |
| #15170A text on black | 1.15:1 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D8DBCF
oklch(88.6% 0.016 118.2)
-
Step 300
300
#BFC3AE
oklch(80.8% 0.029 115.8)
-
Step 400
400
#9FA584
oklch(70.8% 0.047 116)
-
Step 500
500
#878E65
oklch(63% 0.059 116)
-
Step 600
600
#71784C
oklch(55.5% 0.064 115.9)
-
Step 700
700
#5F653D
oklch(49.1% 0.06 115.6)
-
Step 800
800
#4D5233
oklch(42.5% 0.048 116)
-
Step 900
900
#40442D
oklch(37.6% 0.037 116.3)
-
Step 950
950 (this color)
#15170A
oklch(19.8% 0.024 115.8)
#15170A 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) | #191609 | 0.008 |
| Deuteranopia (no green cones) | #19160B | 0.009 |
| Tritanopia (no blue cones) | #161614 | 0.020 |
| Achromatopsia (no color) | #161616 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15170A
#15170A
oklch(19.8% 0.024 115.8)
- #16131F
#16131F
oklch(19.6% 0.024 295.6)
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 #15170A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.052
- Rich Navy #001219 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.059
- Dark Brown #341C02 ΔE 0.070
- Jet #212529 ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.073
- Dark #1B2431 ΔE 0.077
- Dark Forest Green #002D04 ΔE 0.087
Use #15170A 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.