#030B10
Closest named color: Almost Black (#070D0D). oklch(14.2% 0.019 230.8), rgb(3, 11, 16).
Aa
White text reads best on this color (19.82:1).
About this color
#030B10 is a very dark close to neutral grey. In OKLCH its lightness is 14%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.016 away. White text reads best on it, at 19.82:1.
| Hue family | Neutrals |
| Lightness | very dark (14%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.82:1 |
Values
| HEX | #030B10 |
| RGB | rgb(3, 11, 16) |
| HSL | hsl(203, 68%, 4%) |
| OKLCH | oklch(14.2% 0.019 230.8) |
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 #030B10 | 19.82:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #030B10 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #030B10 text on white | 19.82:1 | AAA | Lc 105.8 | Preferred for body text |
| #030B10 text on black | 1.05:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B3C4CD
oklch(81% 0.023 230.6)
-
Step 400
400
#8BA5B3
oklch(70.7% 0.035 231.5)
-
Step 500
500
#6D8FA0
oklch(63.1% 0.046 230)
-
Step 600
600
#55798B
oklch(55.6% 0.049 230.4)
-
Step 700
700
#456676
oklch(49.1% 0.046 229.8)
-
Step 800
800
#395360
oklch(42.7% 0.038 230.4)
-
Step 900
900
#31454F
oklch(37.8% 0.03 230.2)
-
Step 950
950 (this color)
#030B10
oklch(14.2% 0.019 230.8)
#030B10 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) | #090B10 | 0.014 |
| Deuteranopia (no green cones) | #070910 | 0.012 |
| Tritanopia (no blue cones) | #000C0D | 0.012 |
| Achromatopsia (no color) | #0A0A0A | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #030B10
#030B10
oklch(14.2% 0.019 230.8)
- #100704
#100704
oklch(14.1% 0.019 45.5)
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 #030B10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.016
- Rich Navy #001219 ΔE 0.030
- Very Dark Brown #1D0200 ΔE 0.073
- Midnight #03012D ΔE 0.074
- Dark Navy Blue #00022E ΔE 0.075
- Rich Black #0D1B2A ΔE 0.078
- Dark Navy #000435 ΔE 0.082
- Very Dark Blue #000133 ΔE 0.084
Use #030B10 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.