#050819
Closest named color: Almost Black (#070D0D). oklch(14.2% 0.038 271.3), rgb(5, 8, 25).
Aa
White text reads best on this color (19.90:1).
About this color
#050819 is a very dark, muted blue. In OKLCH its lightness is 14%, its chroma 0.038 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.038 away. White text reads best on it, at 19.90:1.
| Hue family | Blues |
| Lightness | very dark (14%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.90:1 |
Values
| HEX | #050819 |
| RGB | rgb(5, 8, 25) |
| HSL | hsl(231, 67%, 6%) |
| OKLCH | oklch(14.2% 0.038 271.3) |
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 #050819 | 19.90:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #050819 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #050819 text on white | 19.90:1 | AAA | Lc 105.8 | Preferred for body text |
| #050819 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B6C0DE
oklch(81% 0.044 270.8)
-
Step 400
400
#909FCE
oklch(70.8% 0.071 270.8)
-
Step 500
500
#7586C1
oklch(63% 0.091 271.3)
-
Step 600
600
#5E6FAD
oklch(55.5% 0.099 271.2)
-
Step 700
700
#4E5D95
oklch(49.2% 0.092 271.3)
-
Step 800
800
#404C79
oklch(42.7% 0.076 271.5)
-
Step 900
900
#364061
oklch(37.8% 0.058 270.6)
-
Step 950
950 (this color)
#050819
oklch(14.2% 0.038 271.3)
#050819 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) | #030A1A | 0.009 |
| Deuteranopia (no green cones) | #010819 | 0.012 |
| Tritanopia (no blue cones) | #000C0F | 0.033 |
| Achromatopsia (no color) | #090909 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #050819
#050819
oklch(14.2% 0.038 271.3)
- #0E0900
#0E0900
oklch(14.3% 0.029 91.6)
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 #050819, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.038
- Rich Navy #001219 ΔE 0.039
- Midnight #03012D ΔE 0.050
- Dark Navy Blue #00022E ΔE 0.053
- Dark Navy #000435 ΔE 0.061
- Very Dark Blue #000133 ΔE 0.062
- Rich Black #0D1B2A ΔE 0.077
- Very Dark Brown #1D0200 ΔE 0.081
Use #050819 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.