#030309
Closest named color: Almost Black (#070D0D). oklch(10.3% 0.02 282.4), rgb(3, 3, 9).
Aa
White text reads best on this color (20.57:1).
About this color
#030309 is a very dark close to neutral grey. In OKLCH its lightness is 10%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.054 away. White text reads best on it, at 20.57:1.
| Hue family | Neutrals |
| Lightness | very dark (10%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.57:1 |
Values
| HEX | #030309 |
| RGB | rgb(3, 3, 9) |
| HSL | hsl(240, 50%, 2%) |
| OKLCH | oklch(10.3% 0.02 282.4) |
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 #030309 | 20.57:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #030309 | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #030309 text on white | 20.57:1 | AAA | Lc 106.0 | Preferred for body text |
| #030309 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E2
oklch(88.4% 0.014 281.5)
-
Step 300
300
#BEBFD0
oklch(80.9% 0.024 283.2)
-
Step 400
400
#9C9EB8
oklch(70.6% 0.038 281.9)
-
Step 500
500
#8486A6
oklch(63% 0.048 282.1)
-
Step 600
600
#6E7091
oklch(55.6% 0.051 281.9)
-
Step 700
700
#5C5E7C
oklch(49.2% 0.048 281.5)
-
Step 800
800
#4B4C65
oklch(42.6% 0.041 282.7)
-
Step 900
900
#3F4052
oklch(37.8% 0.031 282.3)
-
Step 950
950 (this color)
#030309
oklch(10.3% 0.02 282.4)
#030309 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) | #020409 | 0.009 |
| Deuteranopia (no green cones) | #020309 | 0.005 |
| Tritanopia (no blue cones) | #020405 | 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°).
- #030309
#030309
oklch(10.3% 0.02 282.4)
- #040400
#040400
oklch(10.3% 0.023 109.8)
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 #030309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.054
- Rich Navy #001219 ΔE 0.072
- Midnight #03012D ΔE 0.079
- Very Dark Brown #1D0200 ΔE 0.080
- Dark Navy Blue #00022E ΔE 0.082
- Very Dark Blue #000133 ΔE 0.092
- Dark Navy #000435 ΔE 0.096
- Black #000000 ΔE 0.105
Use #030309 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.