#010A09
Closest named color: Almost Black (#070D0D). oklch(13.2% 0.02 188.4), rgb(1, 10, 9).
Aa
White text reads best on this color (20.02:1).
About this color
#010A09 is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.023 away. White text reads best on it, at 20.02:1.
| Hue family | Neutrals |
| Lightness | very dark (13%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.02:1 |
Values
| HEX | #010A09 |
| RGB | rgb(1, 10, 9) |
| HSL | hsl(173, 82%, 2%) |
| OKLCH | oklch(13.2% 0.02 188.4) |
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 #010A09 | 20.02:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #010A09 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #010A09 text on white | 20.02:1 | AAA | Lc 105.9 | Preferred for body text |
| #010A09 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B0C6C3
oklch(80.9% 0.024 186.8)
-
Step 400
400
#87A9A5
oklch(70.8% 0.038 187.5)
-
Step 500
500
#68938F
oklch(63.1% 0.047 188.8)
-
Step 600
600
#4E7D79
oklch(55.5% 0.052 188.9)
-
Step 700
700
#3F6A66
oklch(49.2% 0.048 188.2)
-
Step 800
800
#345653
oklch(42.6% 0.04 188.7)
-
Step 900
900
#2E4745
oklch(37.7% 0.031 189.6)
-
Step 950
950 (this color)
#010A09
oklch(13.2% 0.02 188.4)
#010A09 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) | #090909 | 0.021 |
| Deuteranopia (no green cones) | #070709 | 0.021 |
| Tritanopia (no blue cones) | #000B0A | 0.005 |
| Achromatopsia (no color) | #080808 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010A09
#010A09
oklch(13.2% 0.02 188.4)
- #0E0506
#0E0506
oklch(13.1% 0.019 10.8)
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 #010A09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.023
- Rich Navy #001219 ΔE 0.041
- Very Dark Brown #1D0200 ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.088
- Midnight #03012D ΔE 0.088
- Rich Black #0D1B2A ΔE 0.091
- Dark Navy #000435 ΔE 0.097
- Very Dark Blue #000133 ΔE 0.097
Use #010A09 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.