#0A1303
Closest named color: Almost Black (#070D0D). oklch(17.2% 0.037 131.2), rgb(10, 19, 3).
Aa
White text reads best on this color (18.96:1).
About this color
#0A1303 is a very dark, muted green. In OKLCH its lightness is 17%, its chroma 0.037 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.039 away. White text reads best on it, at 18.96:1.
| Hue family | Greens |
| Lightness | very dark (17%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.10:1 |
| White text | 18.96:1 |
Values
| HEX | #0A1303 |
| RGB | rgb(10, 19, 3) |
| HSL | hsl(94, 73%, 4%) |
| OKLCH | oklch(17.2% 0.037 131.2) |
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 #0A1303 | 18.96:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #0A1303 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #0A1303 text on white | 18.96:1 | AAA | Lc 105.4 | Preferred for body text |
| #0A1303 text on black | 1.10:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE3
oklch(93.7% 0.013 130.8)
-
Step 200
200
#D4DDCC
oklch(88.6% 0.025 129.9)
-
Step 300
300
#B7C7AA
oklch(81% 0.044 131)
-
Step 400
400
#91AA7D
oklch(70.7% 0.069 131.6)
-
Step 500
500
#76955B
oklch(63.2% 0.089 131.4)
-
Step 600
600
#5F7F41
oklch(55.7% 0.096 131.3)
-
Step 700
700
#4E6B32
oklch(49.1% 0.09 131.3)
-
Step 800
800
#40572A
oklch(42.6% 0.074 131.2)
-
Step 900
900
#374827
oklch(37.8% 0.057 130.9)
-
Step 950
950 (this color)
#0A1303
oklch(17.2% 0.037 131.2)
#0A1303 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) | #141102 | 0.019 |
| Deuteranopia (no green cones) | #131004 | 0.021 |
| Tritanopia (no blue cones) | #0A120F | 0.027 |
| Achromatopsia (no color) | #101010 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1303
#0A1303
oklch(17.2% 0.037 131.2)
- #150B1B
#150B1B
oklch(17.2% 0.035 311.9)
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 #0A1303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.039
- Rich Navy #001219 ΔE 0.049
- Very Dark Brown #1D0200 ΔE 0.072
- Rich Black #0D1B2A ΔE 0.077
- Dark Brown #341C02 ΔE 0.097
- Dark Forest Green #002D04 ΔE 0.098
- Jet #212529 ΔE 0.099
- Very Dark Green #062E03 ΔE 0.103
Use #0A1303 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.