#0A0C19
Closest named color: Rich Navy (#001219). oklch(16% 0.028 276.1), rgb(10, 12, 25).
Aa
White text reads best on this color (19.45:1).
About this color
#0A0C19 is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.028 away. White text reads best on it, at 19.45:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.07:1 |
| White text | 19.45:1 |
Values
| HEX | #0A0C19 |
| RGB | rgb(10, 12, 25) |
| HSL | hsl(232, 43%, 7%) |
| OKLCH | oklch(16% 0.028 276.1) |
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 #0A0C19 | 19.45:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #0A0C19 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #0A0C19 text on white | 19.45:1 | AAA | Lc 105.7 | Preferred for body text |
| #0A0C19 text on black | 1.07:1 | 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
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D8E5
oklch(88.4% 0.018 275.6)
-
Step 300
300
#BABFD6
oklch(80.8% 0.033 275.9)
-
Step 400
400
#979EC2
oklch(70.6% 0.053 276.3)
-
Step 500
500
#7E86B2
oklch(63% 0.067 276.3)
-
Step 600
600
#68709E
oklch(55.7% 0.072 276.2)
-
Step 700
700
#565D87
oklch(49% 0.068 276.3)
-
Step 800
800
#464C6E
oklch(42.6% 0.057 276)
-
Step 900
900
#3B4059
oklch(37.8% 0.043 275.4)
-
Step 950
950 (this color)
#0A0C19
oklch(16% 0.028 276.1)
#0A0C19 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) | #080D1A | 0.005 |
| Deuteranopia (no green cones) | #070C19 | 0.006 |
| Tritanopia (no blue cones) | #060F11 | 0.025 |
| Achromatopsia (no color) | #0D0D0D | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A0C19
#0A0C19
oklch(16% 0.028 276.1)
- #110D02
#110D02
oklch(16% 0.026 94)
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 #0A0C19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.028
- Almost Black #070D0D ΔE 0.029
- Rich Black #0D1B2A ΔE 0.060
- Midnight #03012D ΔE 0.063
- Dark Navy Blue #00022E ΔE 0.065
- Dark Navy #000435 ΔE 0.069
- Very Dark Brown #1D0200 ΔE 0.072
- Very Dark Blue #000133 ΔE 0.073
Use #0A0C19 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.