#040B08
Closest named color: Almost Black (#070D0D). oklch(14% 0.015 169.1), rgb(4, 11, 8).
Aa
White text reads best on this color (19.87:1).
About this color
#040B08 is a very dark close to neutral grey. In OKLCH its lightness is 14%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.015 away. White text reads best on it, at 19.87:1.
| Hue family | Neutrals |
| Lightness | very dark (14%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.87:1 |
Values
| HEX | #040B08 |
| RGB | rgb(4, 11, 8) |
| HSL | hsl(154, 47%, 3%) |
| OKLCH | oklch(14% 0.015 169.1) |
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 #040B08 | 19.87:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #040B08 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #040B08 text on white | 19.87:1 | AAA | Lc 105.9 | Preferred for body text |
| #040B08 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD8
oklch(88.4% 0.01 171.8)
-
Step 300
300
#B6C4BF
oklch(80.8% 0.017 172.5)
-
Step 400
400
#90A79D
oklch(70.8% 0.029 167.4)
-
Step 500
500
#749186
oklch(63.1% 0.037 170)
-
Step 600
600
#5D7B6F
oklch(55.6% 0.039 168.4)
-
Step 700
700
#4C685D
oklch(49.2% 0.037 168.6)
-
Step 800
800
#3F554C
oklch(42.8% 0.031 167.9)
-
Step 900
900
#35463F
oklch(37.7% 0.025 167.9)
-
Step 950
950 (this color)
#040B08
oklch(14% 0.015 169.1)
#040B08 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) | #0B0A08 | 0.016 |
| Deuteranopia (no green cones) | #090908 | 0.014 |
| Tritanopia (no blue cones) | #030B0A | 0.005 |
| Achromatopsia (no color) | #090909 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040B08
#040B08
oklch(14% 0.015 169.1)
- #0E070A
#0E070A
oklch(14.1% 0.015 350.3)
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 #040B08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.015
- Rich Navy #001219 ΔE 0.039
- Very Dark Brown #1D0200 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.086
- Midnight #03012D ΔE 0.092
- Dark Navy Blue #00022E ΔE 0.092
- Dark Navy #000435 ΔE 0.100
- Very Dark Blue #000133 ΔE 0.101
Use #040B08 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.