#0A170A
Closest named color: Rich Navy (#001219). oklch(18.8% 0.032 144.2), rgb(10, 23, 10).
Aa
White text reads best on this color (18.42:1).
About this color
#0A170A is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.032 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.044 away. White text reads best on it, at 18.42:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.13:1 |
| White text | 18.42:1 |
Values
| HEX | #0A170A |
| RGB | rgb(10, 23, 10) |
| HSL | hsl(120, 39%, 6%) |
| OKLCH | oklch(18.8% 0.032 144.2) |
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 #0A170A | 18.42:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #0A170A | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #0A170A text on white | 18.42:1 | AAA | Lc 105.0 | Preferred for body text |
| #0A170A text on black | 1.13:1 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D1DDD1
oklch(88.5% 0.021 145.4)
-
Step 300
300
#B3C7B2
oklch(80.9% 0.036 143.9)
-
Step 400
400
#8AAB89
oklch(70.7% 0.061 144.1)
-
Step 500
500
#6D966C
oklch(63.1% 0.077 144)
-
Step 600
600
#548054
oklch(55.6% 0.083 144.4)
-
Step 700
700
#446C44
oklch(49% 0.077 144.3)
-
Step 800
800
#385838
oklch(42.6% 0.064 144.3)
-
Step 900
900
#314930
oklch(37.8% 0.051 143.5)
-
Step 950
950 (this color)
#0A170A
oklch(18.8% 0.032 144.2)
#0A170A 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 | 0.025 |
| Deuteranopia (no green cones) | #16140B | 0.024 |
| Tritanopia (no blue cones) | #091614 | 0.021 |
| Achromatopsia (no color) | #141414 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A170A
#0A170A
oklch(18.8% 0.032 144.2)
- #1A0E1B
#1A0E1B
oklch(18.7% 0.032 324.1)
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 #0A170A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.044
- Almost Black #070D0D ΔE 0.045
- Rich Black #0D1B2A ΔE 0.062
- Very Dark Brown #1D0200 ΔE 0.080
- Jet #212529 ΔE 0.082
- Dark #1B2431 ΔE 0.086
- Dark Forest Green #002D04 ΔE 0.087
- Dark Brown #341C02 ΔE 0.087
Use #0A170A 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.