#03070B
Closest named color: Almost Black (#070D0D). oklch(12.4% 0.014 239.9), rgb(3, 7, 11).
Aa
White text reads best on this color (20.20:1).
About this color
#03070B is a very dark close to neutral grey. In OKLCH its lightness is 12%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.030 away. White text reads best on it, at 20.20:1.
| Hue family | Neutrals |
| Lightness | very dark (12%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.03:1 |
| White text | 20.20:1 |
Values
| HEX | #03070B |
| RGB | rgb(3, 7, 11) |
| HSL | hsl(210, 57%, 3%) |
| OKLCH | oklch(12.4% 0.014 239.9) |
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 #03070B | 20.20:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #03070B | 1.03:1 | Fails | Lc 0.0 | Not readable |
| #03070B text on white | 20.20:1 | AAA | Lc 106.0 | Preferred for body text |
| #03070B text on black | 1.03:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B7C2CA
oklch(80.8% 0.017 239.2)
-
Step 400
400
#92A3B0
oklch(70.6% 0.027 240.8)
-
Step 500
500
#778D9C
oklch(63.1% 0.034 237.9)
-
Step 600
600
#607787
oklch(55.7% 0.037 238.7)
-
Step 700
700
#4F6472
oklch(49.1% 0.034 237.6)
-
Step 800
800
#41515D
oklch(42.6% 0.028 240.7)
-
Step 900
900
#37434C
oklch(37.6% 0.022 240.6)
-
Step 950
950 (this color)
#03070B
oklch(12.4% 0.014 239.9)
#03070B 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) | #06070B | 0.009 |
| Deuteranopia (no green cones) | #05060B | 0.008 |
| Tritanopia (no blue cones) | #010808 | 0.012 |
| Achromatopsia (no color) | #060606 | 0.014 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #03070B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.030
- Rich Navy #001219 ΔE 0.048
- Very Dark Brown #1D0200 ΔE 0.072
- Midnight #03012D ΔE 0.078
- Dark Navy Blue #00022E ΔE 0.079
- Very Dark Blue #000133 ΔE 0.089
- Dark Navy #000435 ΔE 0.090
- Rich Black #0D1B2A ΔE 0.096
Use #03070B 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.