#01090A
Closest named color: Almost Black (#070D0D). oklch(12.9% 0.019 202.2), rgb(1, 9, 10).
Aa
White text reads best on this color (20.10:1).
About this color
#01090A is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.025 away. White text reads best on it, at 20.10:1.
| Hue family | Neutrals |
| Lightness | very dark (13%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.10:1 |
Values
| HEX | #01090A |
| RGB | rgb(1, 9, 10) |
| HSL | hsl(187, 82%, 2%) |
| OKLCH | oklch(12.9% 0.019 202.2) |
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 #01090A | 20.10:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #01090A | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #01090A text on white | 20.10:1 | AAA | Lc 105.9 | Preferred for body text |
| #01090A 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
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDC
oklch(88.5% 0.013 196.9)
-
Step 300
300
#B1C5C7
oklch(80.9% 0.022 204)
-
Step 400
400
#88A8AA
oklch(70.8% 0.035 201.1)
-
Step 500
500
#699295
oklch(63.1% 0.045 201.8)
-
Step 600
600
#507C80
oklch(55.6% 0.049 203.1)
-
Step 700
700
#40696C
oklch(49.2% 0.046 201.7)
-
Step 800
800
#355558
oklch(42.6% 0.038 203.3)
-
Step 900
900
#2F4648
oklch(37.6% 0.029 202.8)
-
Step 950
950 (this color)
#01090A
oklch(12.9% 0.019 202.2)
#01090A 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) | #08080A | 0.020 |
| Deuteranopia (no green cones) | #06070A | 0.017 |
| Tritanopia (no blue cones) | #000A09 | 0.006 |
| Achromatopsia (no color) | #070707 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01090A
#01090A
oklch(12.9% 0.019 202.2)
- #0D0505
#0D0505
oklch(12.9% 0.017 19.6)
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 #01090A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.025
- Rich Navy #001219 ΔE 0.043
- Very Dark Brown #1D0200 ΔE 0.076
- Dark Navy Blue #00022E ΔE 0.084
- Midnight #03012D ΔE 0.084
- Rich Black #0D1B2A ΔE 0.093
- Very Dark Blue #000133 ΔE 0.093
- Dark Navy #000435 ΔE 0.094
Use #01090A 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.