#050B2B
Closest named color: Dark Navy (#000435). oklch(16.9% 0.065 268.7), rgb(5, 11, 43).
Aa
White text reads best on this color (19.28:1).
About this color
#050B2B is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.065 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.032 away. White text reads best on it, at 19.28:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.08:1 |
| White text | 19.28:1 |
Values
| HEX | #050B2B |
| RGB | rgb(5, 11, 43) |
| HSL | hsl(231, 79%, 9%) |
| OKLCH | oklch(16.9% 0.065 268.7) |
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 #050B2B | 19.28:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #050B2B | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #050B2B text on white | 19.28:1 | AAA | Lc 105.4 | Preferred for body text |
| #050B2B text on black | 1.08:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ACBFF4
oklch(80.9% 0.078 269.3)
-
Step 400
400
#819CEE
oklch(70.6% 0.124 269.2)
-
Step 500
500
#6282E9
oklch(63.2% 0.159 268.6)
-
Step 600
600
#4A69D7
oklch(55.7% 0.172 268.5)
-
Step 700
700
#3C56BA
oklch(49% 0.16 268.8)
-
Step 800
800
#324797
oklch(42.7% 0.133 269)
-
Step 900
900
#2B3D78
oklch(37.8% 0.103 268.4)
-
Step 950
950 (this color)
#050B2B
oklch(16.9% 0.065 268.7)
#050B2B 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) | #00102C | 0.017 |
| Deuteranopia (no green cones) | #000C2A | 0.011 |
| Tritanopia (no blue cones) | #001319 | 0.052 |
| Achromatopsia (no color) | #0E0E0E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #050B2B
#050B2B
oklch(16.9% 0.065 268.7)
- #150E00
#150E00
oklch(16.8% 0.034 89.1)
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 #050B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.032
- Midnight #03012D ΔE 0.035
- Dark Navy Blue #00022E ΔE 0.036
- Very Dark Blue #000133 ΔE 0.039
- Rich Navy #001219 ΔE 0.049
- Navy Blue #001146 ΔE 0.056
- Night Blue #040348 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.059
Use #050B2B 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.