#10170A
Closest named color: Almost Black (#070D0D). oklch(19.3% 0.027 131.5), rgb(16, 23, 10).
Aa
White text reads best on this color (18.27:1).
About this color
#10170A is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.047 away. White text reads best on it, at 18.27:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.14:1 |
| White text | 18.27:1 |
Values
| HEX | #10170A |
| RGB | rgb(16, 23, 10) |
| HSL | hsl(92, 39%, 6%) |
| OKLCH | oklch(19.3% 0.027 131.5) |
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 #10170A | 18.27:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #10170A | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #10170A text on white | 18.27:1 | AAA | Lc 104.9 | Preferred for body text |
| #10170A text on black | 1.14:1 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D5DCD0
oklch(88.6% 0.018 131.9)
-
Step 300
300
#B9C5B0
oklch(80.8% 0.032 131.6)
-
Step 400
400
#95A887
oklch(70.8% 0.051 132.1)
-
Step 500
500
#7B9269
oklch(63.1% 0.065 131.9)
-
Step 600
600
#647C50
oklch(55.5% 0.071 131.6)
-
Step 700
700
#536941
oklch(49.2% 0.066 131.9)
-
Step 800
800
#445535
oklch(42.6% 0.055 131.1)
-
Step 900
900
#39462F
oklch(37.6% 0.041 132.1)
-
Step 950
950 (this color)
#10170A
oklch(19.3% 0.027 131.5)
#10170A 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) | #181509 | 0.016 |
| Deuteranopia (no green cones) | #17150B | 0.015 |
| Tritanopia (no blue cones) | #101614 | 0.021 |
| Achromatopsia (no color) | #151515 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10170A
#10170A
oklch(19.3% 0.027 131.5)
- #18111D
#18111D
oklch(19.2% 0.026 310.6)
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 #10170A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.047
- Rich Navy #001219 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.060
- Very Dark Brown #1D0200 ΔE 0.076
- Jet #212529 ΔE 0.076
- Dark Brown #341C02 ΔE 0.079
- Dark #1B2431 ΔE 0.081
- Dark Forest Green #002D04 ΔE 0.087
Use #10170A 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.