#100A10
Closest named color: Almost Black (#070D0D). oklch(15.6% 0.016 326.3), rgb(16, 10, 16).
Aa
White text reads best on this color (19.57:1).
About this color
#100A10 is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.024 away. White text reads best on it, at 19.57:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.57:1 |
Values
| HEX | #100A10 |
| RGB | rgb(16, 10, 16) |
| HSL | hsl(300, 23%, 5%) |
| OKLCH | oklch(15.6% 0.016 326.3) |
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 #100A10 | 19.57:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100A10 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #100A10 text on white | 19.57:1 | AAA | Lc 105.7 | Preferred for body text |
| #100A10 text on black | 1.07:1 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE9EC
oklch(93.7% 0.005 325.6)
-
Step 200
200
#DDD7DD
oklch(88.6% 0.01 325.7)
-
Step 300
300
#C7BDC7
oklch(81% 0.018 325.7)
-
Step 400
400
#AB9AAB
oklch(70.6% 0.031 325.9)
-
Step 500
500
#968296
oklch(63.1% 0.038 326)
-
Step 600
600
#816B81
oklch(55.6% 0.043 326.1)
-
Step 700
700
#6D596D
oklch(49.1% 0.04 326.2)
-
Step 800
800
#594959
oklch(42.8% 0.033 326.1)
-
Step 900
900
#493D49
oklch(37.7% 0.026 326.1)
-
Step 950
950 (this color)
#100A10
oklch(15.6% 0.016 326.3)
#100A10 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) | #0A0B10 | 0.013 |
| Deuteranopia (no green cones) | #0B0C10 | 0.013 |
| Tritanopia (no blue cones) | #100A0C | 0.009 |
| Achromatopsia (no color) | #0C0C0C | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100A10
#100A10
oklch(15.6% 0.016 326.3)
- #080E08
#080E08
oklch(15.5% 0.016 144.7)
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 #100A10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.024
- Rich Navy #001219 ΔE 0.041
- Very Dark Brown #1D0200 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.071
- Midnight #03012D ΔE 0.081
- Dark Navy Blue #00022E ΔE 0.084
- Dark Navy #000435 ΔE 0.089
- Very Dark Blue #000133 ΔE 0.092
Use #100A10 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.