#010C09
Closest named color: Almost Black (#070D0D). oklch(14% 0.023 178.1), rgb(1, 12, 9).
Aa
White text reads best on this color (19.85:1).
About this color
#010C09 is a very dark close to neutral grey. In OKLCH its lightness is 14%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.019 away. White text reads best on it, at 19.85:1.
| Hue family | Neutrals |
| Lightness | very dark (14%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.85:1 |
Values
| HEX | #010C09 |
| RGB | rgb(1, 12, 9) |
| HSL | hsl(164, 85%, 3%) |
| OKLCH | oklch(14% 0.023 178.1) |
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 #010C09 | 19.85:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #010C09 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #010C09 text on white | 19.85:1 | AAA | Lc 105.8 | Preferred for body text |
| #010C09 text on black | 1.05:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECEA
oklch(93.7% 0.008 177.3)
-
Step 200
200
#CFDCD9
oklch(88.4% 0.015 180.7)
-
Step 300
300
#AFC7C0
oklch(81% 0.028 176.2)
-
Step 400
400
#84AAA0
oklch(70.7% 0.044 177.1)
-
Step 500
500
#659589
oklch(63.2% 0.055 177.1)
-
Step 600
600
#4A7F73
oklch(55.6% 0.06 177.8)
-
Step 700
700
#3B6B61
oklch(49% 0.055 178.9)
-
Step 800
800
#31574F
oklch(42.6% 0.046 179)
-
Step 900
900
#2C4842
oklch(37.7% 0.036 179.2)
-
Step 950
950 (this color)
#010C09
oklch(14% 0.023 178.1)
#010C09 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) | #0B0B09 | 0.024 |
| Deuteranopia (no green cones) | #090909 | 0.023 |
| Tritanopia (no blue cones) | #000C0B | 0.005 |
| Achromatopsia (no color) | #0A0A0A | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010C09
#010C09
oklch(14% 0.023 178.1)
- #100609
#100609
oklch(14% 0.021 358.4)
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 #010C09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.019
- Rich Navy #001219 ΔE 0.037
- Very Dark Brown #1D0200 ΔE 0.074
- Rich Black #0D1B2A ΔE 0.086
- Dark Navy Blue #00022E ΔE 0.091
- Midnight #03012D ΔE 0.092
- Dark Navy #000435 ΔE 0.099
- Very Dark Blue #000133 ΔE 0.100
Use #010C09 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.