#0A1C09
Closest named color: Rich Navy (#001219). oklch(20.5% 0.043 142.7), rgb(10, 28, 9).
Aa
White text reads best on this color (17.75:1).
About this color
#0A1C09 is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.043 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.061 away. White text reads best on it, at 17.75:1.
| Hue family | Greens |
| Lightness | very dark (20%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.18:1 |
| White text | 17.75:1 |
Values
| HEX | #0A1C09 |
| RGB | rgb(10, 28, 9) |
| HSL | hsl(117, 51%, 7%) |
| OKLCH | oklch(20.5% 0.043 142.7) |
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 #0A1C09 | 17.75:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #0A1C09 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #0A1C09 text on white | 17.75:1 | AAA | Lc 104.5 | Preferred for body text |
| #0A1C09 text on black | 1.18:1 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CFDECD
oklch(88.5% 0.028 142)
-
Step 300
300
#AECAAB
oklch(81% 0.052 142.5)
-
Step 400
400
#83AE7F
oklch(70.7% 0.082 142.5)
-
Step 500
500
#629A5E
oklch(63.2% 0.106 142.7)
-
Step 600
600
#488444
oklch(55.6% 0.114 142.6)
-
Step 700
700
#397035
oklch(49.2% 0.107 142.4)
-
Step 800
800
#2F5B2D
oklch(42.7% 0.088 143)
-
Step 900
900
#2B4B28
oklch(37.8% 0.069 142.2)
-
Step 950
950 (this color)
#0A1C09
oklch(20.5% 0.043 142.7)
#0A1C09 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) | #1D1908 | 0.032 |
| Deuteranopia (no green cones) | #1A170A | 0.032 |
| Tritanopia (no blue cones) | #081B18 | 0.029 |
| Achromatopsia (no color) | #181818 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1C09
#0A1C09
oklch(20.5% 0.043 142.7)
- #201023
#201023
oklch(20.5% 0.043 321.1)
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 #0A1C09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.061
- Almost Black #070D0D ΔE 0.065
- Rich Black #0D1B2A ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.066
- Very Dark Green #062E03 ΔE 0.071
- Jet #212529 ΔE 0.074
- Dark Brown #341C02 ΔE 0.079
- Dark #1B2431 ΔE 0.081
Use #0A1C09 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.