#0B1303
Closest named color: Almost Black (#070D0D). oklch(17.3% 0.036 129.3), rgb(11, 19, 3).
Aa
White text reads best on this color (18.94:1).
About this color
#0B1303 is a very dark, muted green. In OKLCH its lightness is 17%, its chroma 0.036 and its hue 129°. 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 18.94:1.
| Hue family | Greens |
| Lightness | very dark (17%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.10:1 |
| White text | 18.94:1 |
Values
| HEX | #0B1303 |
| RGB | rgb(11, 19, 3) |
| HSL | hsl(90, 73%, 4%) |
| OKLCH | oklch(17.3% 0.036 129.3) |
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 #0B1303 | 18.94:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #0B1303 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #0B1303 text on white | 18.94:1 | AAA | Lc 105.4 | Preferred for body text |
| #0B1303 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
#D4DCCC
oklch(88.4% 0.023 128.8)
-
Step 300
300
#B8C6AA
oklch(80.8% 0.041 129)
-
Step 400
400
#93A97C
oklch(70.6% 0.068 129.2)
-
Step 500
500
#79945B
oklch(63.1% 0.086 129.2)
-
Step 600
600
#627E40
oklch(55.6% 0.094 129)
-
Step 700
700
#516A32
oklch(49% 0.087 129)
-
Step 800
800
#42572A
oklch(42.8% 0.073 129.6)
-
Step 900
900
#384826
oklch(37.8% 0.058 129.4)
-
Step 950
950 (this color)
#0B1303
oklch(17.3% 0.036 129.3)
#0B1303 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 | 0.018 |
| Deuteranopia (no green cones) | #131004 | 0.020 |
| Tritanopia (no blue cones) | #0C120F | 0.027 |
| Achromatopsia (no color) | #111111 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B1303
#0B1303
oklch(17.3% 0.036 129.3)
- #150B1C
#150B1C
oklch(17.3% 0.037 310.1)
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 #0B1303, 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 0.071
- Rich Black #0D1B2A ΔE 0.077
- Dark Brown #341C02 ΔE 0.095
- Jet #212529 ΔE 0.098
- Dark Forest Green #002D04 ΔE 0.098
- Dark #1B2431 ΔE 0.102
Use #0B1303 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.