#100911
Closest named color: Almost Black (#070D0D). oklch(15.4% 0.02 322.2), rgb(16, 9, 17).
Aa
White text reads best on this color (19.64:1).
About this color
#100911 is a very dark close to neutral grey. In OKLCH its lightness is 15%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.027 away. White text reads best on it, at 19.64:1.
| Hue family | Neutrals |
| Lightness | very dark (15%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.64:1 |
Values
| HEX | #100911 |
| RGB | rgb(16, 9, 17) |
| HSL | hsl(293, 31%, 5%) |
| OKLCH | oklch(15.4% 0.02 322.2) |
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 #100911 | 19.64:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100911 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #100911 text on white | 19.64:1 | AAA | Lc 105.8 | Preferred for body text |
| #100911 text on black | 1.06:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DDD6DE
oklch(88.4% 0.013 321.9)
-
Step 300
300
#C8BCCA
oklch(80.9% 0.023 321.4)
-
Step 400
400
#AC99AF
oklch(70.7% 0.038 321.6)
-
Step 500
500
#98809B
oklch(63.1% 0.049 322.6)
-
Step 600
600
#836986
oklch(55.6% 0.054 322.9)
-
Step 700
700
#6E5772
oklch(49% 0.051 321.3)
-
Step 800
800
#5A485C
oklch(42.8% 0.04 323)
-
Step 900
900
#4A3C4C
oklch(37.7% 0.033 322.1)
-
Step 950
950 (this color)
#100911
oklch(15.4% 0.02 322.2)
#100911 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) | #080B11 | 0.018 |
| Deuteranopia (no green cones) | #0A0C11 | 0.017 |
| Tritanopia (no blue cones) | #100A0C | 0.013 |
| Achromatopsia (no color) | #0B0B0B | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100911
#100911
oklch(15.4% 0.02 322.2)
- #070E07
#070E07
oklch(15.3% 0.019 144.6)
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 #100911, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.027
- Rich Navy #001219 ΔE 0.043
- Very Dark Brown #1D0200 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.073
- Midnight #03012D ΔE 0.078
- Dark Navy Blue #00022E ΔE 0.082
- Dark Navy #000435 ΔE 0.087
- Very Dark Blue #000133 ΔE 0.090
Use #100911 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.