#323966
Closest named color: Prussian Blue (#1D3557). oklch(36.1% 0.078 275.1), rgb(50, 57, 102).
Aa
White text reads best on this color (10.97:1).
About this color
#323966 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.078 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.042 away. White text reads best on it, at 10.97:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.91:1 |
| White text | 10.97:1 |
Values
| HEX | #323966 |
| RGB | rgb(50, 57, 102) |
| HSL | hsl(232, 34%, 30%) |
| OKLCH | oklch(36.1% 0.078 275.1) |
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 #323966 | 10.97:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #323966 | 1.91:1 | Fails | Lc 8.6 | Not readable |
| #323966 text on white | 10.97:1 | AAA | Lc 95.3 | Preferred for body text |
| #323966 text on black | 1.91:1 | Fails | Lc -7.3 | 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 900.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B5BEE7
oklch(80.8% 0.059 275.3)
-
Step 400
400
#8F9CDB
oklch(70.7% 0.094 274.8)
-
Step 500
500
#7582D1
oklch(63% 0.12 275.3)
-
Step 600
600
#5E6ABE
oklch(55.5% 0.13 275.2)
-
Step 700
700
#4E58A4
oklch(49% 0.121 275.4)
-
Step 800
800
#404985
oklch(42.8% 0.099 275)
-
Step 900
900 (this color)
#323966
oklch(36.1% 0.078 275.1)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#323966 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) | #273F68 | 0.021 |
| Deuteranopia (no green cones) | #233A65 | 0.020 |
| Tritanopia (no blue cones) | #1E424A | 0.069 |
| Achromatopsia (no color) | #3C3C3C | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323966
#323966
oklch(36.1% 0.078 275.1)
- #4A3C00
#4A3C00
oklch(36.1% 0.074 94.1)
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 #323966, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.042
- Marine Blue #01386A ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.050
- Twilight Blue #0A437A ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.054
- Charcoal #264653 ΔE 0.061
- Marine #042E60 ΔE 0.065
- Gunmetal #293241 ΔE 0.068
Use #323966 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.