#030308
Closest named color: Almost Black (#070D0D). oklch(10.2% 0.017 282.9), rgb(3, 3, 8).
Aa
White text reads best on this color (20.58:1).
About this color
#030308 is a very dark close to neutral grey. In OKLCH its lightness is 10%, its chroma 0.017. 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 20.58:1.
| Hue family | Neutrals |
| Lightness | very dark (10%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.58:1 |
Values
| HEX | #030308 |
| RGB | rgb(3, 3, 8) |
| HSL | hsl(240, 45%, 2%) |
| OKLCH | oklch(10.2% 0.017 282.9) |
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 #030308 | 20.58:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #030308 | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #030308 text on white | 20.58:1 | AAA | Lc 106.0 | Preferred for body text |
| #030308 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
#D8D8E1
oklch(88.5% 0.012 286.1)
-
Step 300
300
#BEBFCE
oklch(80.8% 0.021 282.9)
-
Step 400
400
#9D9EB5
oklch(70.6% 0.033 283.5)
-
Step 500
500
#8587A3
oklch(63.2% 0.042 281.9)
-
Step 600
600
#6F708E
oklch(55.5% 0.046 283.3)
-
Step 700
700
#5D5E78
oklch(49.1% 0.041 283)
-
Step 800
800
#4C4D62
oklch(42.8% 0.035 282.7)
-
Step 900
900
#3F4050
oklch(37.7% 0.027 282.2)
-
Step 950
950 (this color)
#030308
oklch(10.2% 0.017 282.9)
#030308 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) | #020308 | 0.005 |
| Deuteranopia (no green cones) | #020308 | 0.005 |
| Tritanopia (no blue cones) | #020405 | 0.015 |
| Achromatopsia (no color) | #030303 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #030308
#030308
oklch(10.2% 0.017 282.9)
- #040401
#040401
oklch(10.4% 0.015 108.7)
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 #030308, 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 0.073
- Very Dark Brown #1D0200 ΔE 0.080
- Midnight #03012D ΔE 0.082
- Dark Navy Blue #00022E ΔE 0.084
- Very Dark Blue #000133 ΔE 0.095
- Dark Navy #000435 ΔE 0.098
- Black #000000 ΔE 0.103
Use #030308 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.