#000A01
Closest named color: Almost Black (#070D0D). oklch(12.6% 0.038 146.3), rgb(0, 10, 1).
Aa
White text reads best on this color (20.11:1).
About this color
#000A01 is a very dark, muted green. In OKLCH its lightness is 13%, its chroma 0.038 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.042 away. White text reads best on it, at 20.11:1.
| Hue family | Greens |
| Lightness | very dark (13%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.11:1 |
Values
| HEX | #000A01 |
| RGB | rgb(0, 10, 1) |
| HSL | hsl(126, 100%, 2%) |
| OKLCH | oklch(12.6% 0.038 146.3) |
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 #000A01 | 20.11:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #000A01 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #000A01 text on white | 20.11:1 | AAA | Lc 105.9 | Preferred for body text |
| #000A01 text on black | 1.04:1 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AFC9B0
oklch(81% 0.045 146.2)
-
Step 400
400
#83AD86
oklch(70.6% 0.072 146.6)
-
Step 500
500
#639968
oklch(63.2% 0.093 146.6)
-
Step 600
600
#49834F
oklch(55.6% 0.1 146.4)
-
Step 700
700
#3A6F40
oklch(49.2% 0.093 146.5)
-
Step 800
800
#305A35
oklch(42.6% 0.077 146.8)
-
Step 900
900
#2B4A2E
oklch(37.6% 0.06 146.5)
-
Step 950
950 (this color)
#000A01
oklch(12.6% 0.038 146.3)
#000A01 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) | #0A0801 | 0.029 |
| Deuteranopia (no green cones) | #080701 | 0.027 |
| Tritanopia (no blue cones) | #000907 | 0.024 |
| Achromatopsia (no color) | #070707 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000A01
#000A01
oklch(12.6% 0.038 146.3)
- #0E030E
#0E030E
oklch(12.8% 0.036 327.4)
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 #000A01, closest first.
No curated palette has a color within ΔE 0.04 of #000A01.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.042
- Rich Navy #001219 ΔE 0.061
- Very Dark Brown #1D0200 ΔE 0.081
- Rich Black #0D1B2A ΔE 0.109
- Dark Navy Blue #00022E ΔE 0.114
- Midnight #03012D ΔE 0.115
- Dark Navy #000435 ΔE 0.123
- Very Dark Blue #000133 ΔE 0.123
Use #000A01 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.