#01090F
Closest named color: Almost Black (#070D0D). oklch(13.2% 0.023 231.2), rgb(1, 9, 15).
Aa
White text reads best on this color (20.05:1).
About this color
#01090F is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.026 away. White text reads best on it, at 20.05:1.
| Hue family | Neutrals |
| Lightness | very dark (13%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.05:1 |
Values
| HEX | #01090F |
| RGB | rgb(1, 9, 15) |
| HSL | hsl(206, 88%, 3%) |
| OKLCH | oklch(13.2% 0.023 231.2) |
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 #01090F | 20.05:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #01090F | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #01090F text on white | 20.05:1 | AAA | Lc 105.9 | Preferred for body text |
| #01090F 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE1
oklch(88.5% 0.015 231.2)
-
Step 300
300
#B0C4CF
oklch(80.9% 0.027 231.7)
-
Step 400
400
#86A6B7
oklch(70.7% 0.043 231.3)
-
Step 500
500
#6790A5
oklch(63.1% 0.055 231)
-
Step 600
600
#4E7A90
oklch(55.6% 0.059 230.9)
-
Step 700
700
#3E677B
oklch(49.2% 0.056 230.6)
-
Step 800
800
#345464
oklch(42.8% 0.046 231)
-
Step 900
900
#2E4551
oklch(37.7% 0.035 231.6)
-
Step 950
950 (this color)
#01090F
oklch(13.2% 0.023 231.2)
#01090F 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) | #06090F | 0.014 |
| Deuteranopia (no green cones) | #05070F | 0.014 |
| Tritanopia (no blue cones) | #000B0B | 0.015 |
| Achromatopsia (no color) | #080808 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01090F
#01090F
oklch(13.2% 0.023 231.2)
- #0F0502
#0F0502
oklch(13.1% 0.024 47.3)
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 #01090F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.026
- Rich Navy #001219 ΔE 0.038
- Dark Navy Blue #00022E ΔE 0.073
- Midnight #03012D ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.078
- Very Dark Blue #000133 ΔE 0.082
- Dark Navy #000435 ΔE 0.082
- Rich Black #0D1B2A ΔE 0.087
Use #01090F 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.