#04020B
Closest named color: Almost Black (#070D0D). oklch(10.1% 0.029 295.6), rgb(4, 2, 11).
Aa
White text reads best on this color (20.61:1).
About this color
#04020B is a very dark close to neutral grey. In OKLCH its lightness is 10%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.061 away. White text reads best on it, at 20.61:1.
| Hue family | Neutrals |
| Lightness | very dark (10%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.01:1 |
| White text | 20.61:1 |
Values
| HEX | #04020B |
| RGB | rgb(4, 2, 11) |
| HSL | hsl(253, 69%, 3%) |
| OKLCH | oklch(10.1% 0.029 295.6) |
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 #04020B | 20.61:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #04020B | 1.01:1 | Fails | Lc 0.0 | Not readable |
| #04020B text on white | 20.61:1 | AAA | Lc 106.0 | Preferred for body text |
| #04020B text on black | 1.01:1 | 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
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#DAD7E5
oklch(88.6% 0.019 295.8)
-
Step 300
300
#C2BDD5
oklch(81% 0.034 295.2)
-
Step 400
400
#A39AC0
oklch(70.7% 0.056 295.8)
-
Step 500
500
#8D81B0
oklch(63.1% 0.071 296)
-
Step 600
600
#776A9C
oklch(55.6% 0.078 295.7)
-
Step 700
700
#645885
oklch(49.1% 0.072 295.9)
-
Step 800
800
#51486C
oklch(42.6% 0.06 295.2)
-
Step 900
900
#433D58
oklch(37.8% 0.046 294.3)
-
Step 950
950 (this color)
#04020B
oklch(10.1% 0.029 295.6)
#04020B 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) | #00030B | 0.022 |
| Deuteranopia (no green cones) | #01030B | 0.016 |
| Tritanopia (no blue cones) | #030305 | 0.021 |
| Achromatopsia (no color) | #030303 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04020B
#04020B
oklch(10.1% 0.029 295.6)
- #030400
#030400
oklch(10.1% 0.023 118.1)
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 #04020B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.061
- Midnight #03012D ΔE 0.075
- Rich Navy #001219 ΔE 0.077
- Dark Navy Blue #00022E ΔE 0.079
- Very Dark Brown #1D0200 ΔE 0.082
- Very Dark Blue #000133 ΔE 0.089
- Dark Navy #000435 ΔE 0.093
- Black #000000 ΔE 0.105
Use #04020B 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.