#0A190A
Closest named color: Rich Navy (#001219). oklch(19.5% 0.036 144), rgb(10, 25, 10).
Aa
White text reads best on this color (18.16:1).
About this color
#0A190A is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.036 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 0.050 away. White text reads best on it, at 18.16:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.15:1 |
| White text | 18.16:1 |
Values
| HEX | #0A190A |
| RGB | rgb(10, 25, 10) |
| HSL | hsl(120, 43%, 7%) |
| OKLCH | oklch(19.5% 0.036 144) |
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 #0A190A | 18.16:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #0A190A | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #0A190A text on white | 18.16:1 | AAA | Lc 104.8 | Preferred for body text |
| #0A190A 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#D0DDCF
oklch(88.4% 0.024 143.4)
-
Step 300
300
#B1C8B0
oklch(80.9% 0.042 144.1)
-
Step 400
400
#87AC86
oklch(70.7% 0.068 144.2)
-
Step 500
500
#689767
oklch(63% 0.087 144)
-
Step 600
600
#4F824F
oklch(55.7% 0.095 144.2)
-
Step 700
700
#406E3F
oklch(49.2% 0.089 143.6)
-
Step 800
800
#355935
oklch(42.6% 0.072 144.2)
-
Step 900
900
#2E492E
oklch(37.5% 0.056 144.4)
-
Step 950
950 (this color)
#0A190A
oklch(19.5% 0.036 144)
#0A190A 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) | #1A1609 | 0.029 |
| Deuteranopia (no green cones) | #17150B | 0.027 |
| Tritanopia (no blue cones) | #081815 | 0.022 |
| Achromatopsia (no color) | #161616 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A190A
#0A190A
oklch(19.5% 0.036 144)
- #1D0F1E
#1D0F1E
oklch(19.5% 0.036 324.5)
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 #0A190A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.050
- Almost Black #070D0D ΔE 0.052
- Rich Black #0D1B2A ΔE 0.062
- Jet #212529 ΔE 0.078
- Dark Forest Green #002D04 ΔE 0.079
- Dark #1B2431 ΔE 0.083
- Very Dark Green #062E03 ΔE 0.083
- Dark Brown #341C02 ΔE 0.083
Use #0A190A 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.