#01010A
Closest named color: Almost Black (#070D0D). oklch(8.2% 0.035 275.7), rgb(1, 1, 10).
Aa
White text reads best on this color (20.79:1).
About this color
#01010A is a very dark, muted blue. In OKLCH its lightness is 8%, its chroma 0.035 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.078 away. White text reads best on it, at 20.79:1.
| Hue family | Blues |
| Lightness | very dark (8%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.01:1 |
| White text | 20.79:1 |
Values
| HEX | #01010A |
| RGB | rgb(1, 1, 10) |
| HSL | hsl(240, 82%, 2%) |
| OKLCH | oklch(8.2% 0.035 275.7) |
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 #01010A | 20.79:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #01010A | 1.01:1 | Fails | Lc 0.0 | Not readable |
| #01010A text on white | 20.79:1 | AAA | Lc 106.0 | Preferred for body text |
| #01010A text on black | 1.01:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D5D8E9
oklch(88.5% 0.023 277.9)
-
Step 300
300
#B9BFDC
oklch(80.9% 0.041 276.2)
-
Step 400
400
#959ECA
oklch(70.8% 0.065 275.6)
-
Step 500
500
#7B85BC
oklch(63% 0.084 275.8)
-
Step 600
600
#646EA8
oklch(55.5% 0.091 275.6)
-
Step 700
700
#535C91
oklch(49.1% 0.086 275.5)
-
Step 800
800
#444B75
oklch(42.6% 0.07 275.8)
-
Step 900
900
#393F5F
oklch(37.7% 0.055 275.3)
-
Step 950
950 (this color)
#01010A
oklch(8.2% 0.035 275.7)
#01010A 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) | #00020A | 0.012 |
| Deuteranopia (no green cones) | #00010A | 0.010 |
| Tritanopia (no blue cones) | #000204 | 0.025 |
| Achromatopsia (no color) | #020202 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01010A
#01010A
oklch(8.2% 0.035 275.7)
- #030200
#030200
oklch(8.6% 0.018 94.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #01010A
These curated palettes and gradients contain exactly #01010A. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.078
- Midnight #03012D ΔE 0.080
- Dark Navy Blue #00022E ΔE 0.083
- Black #000000 ΔE 0.089
- Rich Navy #001219 ΔE 0.092
- Very Dark Blue #000133 ΔE 0.092
- Dark Navy #000435 ΔE 0.099
- Very Dark Brown #1D0200 ΔE 0.103
Use #01010A 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.