#0A2303
Closest named color: Dark Forest Green (#002D04). oklch(22.8% 0.064 138.8), rgb(10, 35, 3).
Aa
White text reads best on this color (16.73:1).
About this color
#0A2303 is a very dark, muted green. In OKLCH its lightness is 23%, its chroma 0.064 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.036 away. White text reads best on it, at 16.73:1.
| Hue family | Greens |
| Lightness | very dark (23%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.25:1 |
| White text | 16.73:1 |
Values
| HEX | #0A2303 |
| RGB | rgb(10, 35, 3) |
| HSL | hsl(107, 84%, 7%) |
| OKLCH | oklch(22.8% 0.064 138.8) |
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 #0A2303 | 16.73:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #0A2303 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #0A2303 text on white | 16.73:1 | AAA | Lc 103.5 | Preferred for body text |
| #0A2303 text on black | 1.25:1 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CCE0C6
oklch(88.5% 0.041 138.5)
-
Step 300
300
#A8CD9E
oklch(80.9% 0.076 139.1)
-
Step 400
400
#78B367
oklch(70.8% 0.123 138.9)
-
Step 500
500
#539F3A
oklch(63.1% 0.156 138.8)
-
Step 600
600
#35890D
oklch(55.7% 0.169 138.7)
-
Step 700
700
#287400
oklch(49.2% 0.155 138.8)
-
Step 800
800
#225E05
oklch(42.6% 0.13 138.6)
-
Step 900
900
#214E12
oklch(37.8% 0.102 139)
-
Step 950
950 (this color)
#0A2303
oklch(22.8% 0.064 138.8)
#0A2303 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) | #241F00 | 0.041 |
| Deuteranopia (no green cones) | #211D05 | 0.042 |
| Tritanopia (no blue cones) | #08211C | 0.044 |
| Achromatopsia (no color) | #1E1E1E | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2303
#0A2303
oklch(22.8% 0.064 138.8)
- #29112F
#29112F
oklch(22.9% 0.064 319.3)
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 #0A2303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.036
- Very Dark Green #062E03 ΔE 0.040
- Jet #212529 ΔE 0.076
- Dark Brown #341C02 ΔE 0.076
- Rich Black #0D1B2A ΔE 0.085
- Pakistan Green #283618 ΔE 0.085
- Dark #1B2431 ΔE 0.087
- Rich Navy #001219 ΔE 0.090
Use #0A2303 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.