#040D0C
Closest named color: Almost Black (#070D0D). oklch(14.8% 0.016 187.8), rgb(4, 13, 12).
Aa
White text reads best on this color (19.66:1).
About this color
#040D0C is a very dark close to neutral grey. In OKLCH its lightness is 15%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.007 away. White text reads best on it, at 19.66:1.
| Hue family | Neutrals |
| Lightness | very dark (15%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.66:1 |
Values
| HEX | #040D0C |
| RGB | rgb(4, 13, 12) |
| HSL | hsl(173, 53%, 3%) |
| OKLCH | oklch(14.8% 0.016 187.8) |
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 #040D0C | 19.66:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #040D0C | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #040D0C text on white | 19.66:1 | AAA | Lc 105.8 | Preferred for body text |
| #040D0C 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B4C5C3
oklch(81% 0.019 188.3)
-
Step 400
400
#8CA7A4
oklch(70.7% 0.03 188.3)
-
Step 500
500
#6F918E
oklch(63% 0.038 189.5)
-
Step 600
600
#577C78
oklch(55.7% 0.042 187.6)
-
Step 700
700
#476865
oklch(49.1% 0.038 188.9)
-
Step 800
800
#3A5552
oklch(42.7% 0.033 187.4)
-
Step 900
900
#324644
oklch(37.7% 0.025 188.5)
-
Step 950
950 (this color)
#040D0C
oklch(14.8% 0.016 187.8)
#040D0C 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) | #0C0C0C | 0.017 |
| Deuteranopia (no green cones) | #0A0B0C | 0.015 |
| Tritanopia (no blue cones) | #020D0D | 0.005 |
| Achromatopsia (no color) | #0B0B0B | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040D0C
#040D0C
oklch(14.8% 0.016 187.8)
- #11080A
#11080A
oklch(14.9% 0.017 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 #040D0C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.007
- Rich Navy #001219 ΔE 0.029
- Very Dark Brown #1D0200 ΔE 0.069
- Rich Black #0D1B2A ΔE 0.076
- Dark Navy Blue #00022E ΔE 0.088
- Midnight #03012D ΔE 0.088
- Dark Navy #000435 ΔE 0.094
- Very Dark Blue #000133 ΔE 0.096
Use #040D0C 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.