#02040A
Closest named color: Almost Black (#070D0D). oklch(10.7% 0.019 262), rgb(2, 4, 10).
Aa
White text reads best on this color (20.50:1).
About this color
#02040A is a very dark close to neutral grey. In OKLCH its lightness is 11%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.049 away. White text reads best on it, at 20.50:1.
| Hue family | Neutrals |
| Lightness | very dark (11%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.50:1 |
Values
| HEX | #02040A |
| RGB | rgb(2, 4, 10) |
| HSL | hsl(225, 67%, 2%) |
| OKLCH | oklch(10.7% 0.019 262) |
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 #02040A | 20.50:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #02040A | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #02040A text on white | 20.50:1 | AAA | Lc 106.0 | Preferred for body text |
| #02040A 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4D9E2
oklch(88.4% 0.013 262.4)
-
Step 300
300
#B9C1D0
oklch(80.9% 0.023 263.2)
-
Step 400
400
#94A1B8
oklch(70.6% 0.037 261.9)
-
Step 500
500
#7A8AA7
oklch(63.1% 0.048 262.3)
-
Step 600
600
#637492
oklch(55.7% 0.051 261.7)
-
Step 700
700
#52617C
oklch(49.1% 0.047 262)
-
Step 800
800
#434F65
oklch(42.6% 0.04 262.4)
-
Step 900
900
#394252
oklch(37.8% 0.03 261.9)
-
Step 950
950 (this color)
#02040A
oklch(10.7% 0.019 262)
#02040A 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) | #02040A | 0.000 |
| Deuteranopia (no green cones) | #02040A | 0.000 |
| Tritanopia (no blue cones) | #000506 | 0.018 |
| Achromatopsia (no color) | #040404 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02040A
#02040A
oklch(10.7% 0.019 262)
- #070400
#070400
oklch(11% 0.022 88)
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 #02040A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.049
- Rich Navy #001219 ΔE 0.065
- Midnight #03012D ΔE 0.077
- Dark Navy Blue #00022E ΔE 0.079
- Very Dark Brown #1D0200 ΔE 0.081
- Very Dark Blue #000133 ΔE 0.089
- Dark Navy #000435 ΔE 0.093
- Black #000000 ΔE 0.109
Use #02040A 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.