#040401
Closest named color: Almost Black (#070D0D). oklch(10.4% 0.015 108.7), rgb(4, 4, 1).
Aa
White text reads best on this color (20.52:1).
About this color
#040401 is a very dark close to neutral grey. In OKLCH its lightness is 10%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.051 away. White text reads best on it, at 20.52:1.
| Hue family | Neutrals |
| Lightness | very dark (10%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.52:1 |
Values
| HEX | #040401 |
| RGB | rgb(4, 4, 1) |
| HSL | hsl(60, 60%, 1%) |
| OKLCH | oklch(10.4% 0.015 108.7) |
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 #040401 | 20.52:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #040401 | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #040401 text on white | 20.52:1 | AAA | Lc 106.0 | Preferred for body text |
| #040401 text on black | 1.02:1 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE6
oklch(93.6% 0.005 106.5)
-
Step 200
200
#D9DAD2
oklch(88.5% 0.011 112.4)
-
Step 300
300
#C1C2B5
oklch(81% 0.018 110.4)
-
Step 400
400
#A2A28E
oklch(70.7% 0.028 107.1)
-
Step 500
500
#8B8C72
oklch(63.2% 0.037 109.2)
-
Step 600
600
#75755B
oklch(55.5% 0.038 107.6)
-
Step 700
700
#62634A
oklch(49.2% 0.038 109.6)
-
Step 800
800
#50513D
oklch(42.8% 0.032 110)
-
Step 900
900
#424334
oklch(37.7% 0.025 110.7)
-
Step 950
950 (this color)
#040401
oklch(10.4% 0.015 108.7)
#040401 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) | #050401 | 0.004 |
| Deuteranopia (no green cones) | #050401 | 0.004 |
| Tritanopia (no blue cones) | #050403 | 0.012 |
| Achromatopsia (no color) | #040404 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040401
#040401
oklch(10.4% 0.015 108.7)
- #040308
#040308
oklch(10.4% 0.017 294.8)
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 #040401, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.051
- Very Dark Brown #1D0200 ΔE 0.070
- Rich Navy #001219 ΔE 0.076
- Black #000000 ΔE 0.105
- Midnight #03012D ΔE 0.109
- Dark Navy Blue #00022E ΔE 0.111
- Very Dark Blue #000133 ΔE 0.121
- Dark Navy #000435 ΔE 0.123
Use #040401 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.