#04030D
Closest named color: Almost Black (#070D0D). oklch(10.9% 0.028 287.6), rgb(4, 3, 13).
Aa
White text reads best on this color (20.50:1).
About this color
#04030D is a very dark close to neutral grey. In OKLCH its lightness is 11%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.053 away. White text reads best on it, at 20.50:1.
| Hue family | Neutrals |
| Lightness | very dark (11%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.50:1 |
Values
| HEX | #04030D |
| RGB | rgb(4, 3, 13) |
| HSL | hsl(246, 63%, 3%) |
| OKLCH | oklch(10.9% 0.028 287.6) |
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 #04030D | 20.50:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #04030D | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #04030D text on white | 20.50:1 | AAA | Lc 106.0 | Preferred for body text |
| #04030D 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D7E5
oklch(88.4% 0.019 289.3)
-
Step 300
300
#BFBED6
oklch(81% 0.034 287.5)
-
Step 400
400
#9E9CC1
oklch(70.7% 0.054 287.4)
-
Step 500
500
#8783B1
oklch(63.1% 0.069 288.2)
-
Step 600
600
#716C9D
oklch(55.5% 0.075 288.4)
-
Step 700
700
#5E5A86
oklch(49% 0.07 287.7)
-
Step 800
800
#4D4A6D
oklch(42.7% 0.058 287.6)
-
Step 900
900
#403E58
oklch(37.7% 0.044 287.6)
-
Step 950
950 (this color)
#04030D
oklch(10.9% 0.028 287.6)
#04030D 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) | #01040D | 0.014 |
| Deuteranopia (no green cones) | #01040D | 0.014 |
| Tritanopia (no blue cones) | #020406 | 0.023 |
| Achromatopsia (no color) | #040404 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04030D
#04030D
oklch(10.9% 0.028 287.6)
- #050500
#050500
oklch(11.1% 0.024 109.8)
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 #04030D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.053
- Rich Navy #001219 ΔE 0.068
- Midnight #03012D ΔE 0.070
- Dark Navy Blue #00022E ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.080
- Very Dark Blue #000133 ΔE 0.083
- Dark Navy #000435 ΔE 0.087
- Rich Black #0D1B2A ΔE 0.111
Use #04030D 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.