#020309
Closest named color: Almost Black (#070D0D). oklch(10% 0.021 271), rgb(2, 3, 9).
Aa
White text reads best on this color (20.59:1).
About this color
#020309 is a very dark close to neutral grey. In OKLCH its lightness is 10%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.056 away. White text reads best on it, at 20.59:1.
| Hue family | Neutrals |
| Lightness | very dark (10%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.01:1 |
| White text | 20.59:1 |
Values
| HEX | #020309 |
| RGB | rgb(2, 3, 9) |
| HSL | hsl(231, 64%, 2%) |
| OKLCH | oklch(10% 0.021 271) |
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 #020309 | 20.59:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #020309 | 1.01:1 | Fails | Lc 0.0 | Not readable |
| #020309 text on white | 20.59:1 | AAA | Lc 106.0 | Preferred for body text |
| #020309 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BAC0D1
oklch(80.8% 0.025 270.3)
-
Step 400
400
#97A0BA
oklch(70.7% 0.039 270.3)
-
Step 500
500
#7E88A8
oklch(63% 0.05 271.4)
-
Step 600
600
#677294
oklch(55.6% 0.055 270.6)
-
Step 700
700
#565F7E
oklch(49% 0.051 271.9)
-
Step 800
800
#464E66
oklch(42.7% 0.041 270.3)
-
Step 900
900
#3B4153
oklch(37.7% 0.032 270.4)
-
Step 950
950 (this color)
#020309
oklch(10% 0.021 271)
#020309 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) | #020309 | 0.000 |
| Deuteranopia (no green cones) | #010309 | 0.005 |
| Tritanopia (no blue cones) | #010405 | 0.017 |
| Achromatopsia (no color) | #030303 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #020309
#020309
oklch(10% 0.021 271)
- #050300
#050300
oklch(9.9% 0.02 90.1)
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 #020309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.056
- Rich Navy #001219 ΔE 0.073
- Midnight #03012D ΔE 0.079
- Dark Navy Blue #00022E ΔE 0.082
- Very Dark Brown #1D0200 ΔE 0.085
- Very Dark Blue #000133 ΔE 0.092
- Dark Navy #000435 ΔE 0.096
- Black #000000 ΔE 0.102
Use #020309 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.