#333064
Closest named color: Prussian Blue (#1D3557). oklch(34.1% 0.089 283.2), rgb(51, 48, 100).
Aa
White text reads best on this color (12.01:1).
About this color
#333064 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.089 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.043 away. White text reads best on it, at 12.01:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.74:1 |
| White text | 12.01:1 |
Values
| HEX | #333064 |
| RGB | rgb(51, 48, 100) |
| HSL | hsl(243, 35%, 29%) |
| OKLCH | oklch(34.1% 0.089 283.2) |
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 #333064 | 12.01:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #333064 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #333064 text on white | 12.01:1 | AAA | Lc 97.3 | Preferred for body text |
| #333064 text on black | 1.74:1 | 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 900.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D5D7F2
oklch(88.6% 0.037 282.2)
-
Step 300
300
#BABCEB
oklch(81% 0.066 282.9)
-
Step 400
400
#9798E1
oklch(70.7% 0.106 282.7)
-
Step 500
500
#7F7CD8
oklch(63% 0.136 283.2)
-
Step 600
600
#6A64C6
oklch(55.7% 0.148 283.3)
-
Step 700
700
#5852AB
oklch(49% 0.138 283.1)
-
Step 800
800
#48448A
oklch(42.7% 0.113 283.1)
-
Step 900
900 (this color)
#333064
oklch(34.1% 0.089 283.2)
-
Step 950
950
#232241
oklch(27% 0.057 283.4)
#333064 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) | #1A3866 | 0.038 |
| Deuteranopia (no green cones) | #173563 | 0.038 |
| Tritanopia (no blue cones) | #233B45 | 0.076 |
| Achromatopsia (no color) | #363636 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #333064
#333064
oklch(34.1% 0.089 283.2)
- #3F3900
#3F3900
oklch(34% 0.071 102.9)
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 #333064, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.043
- Marine Blue #01386A ΔE 0.052
- Marine #042E60 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.065
- Gunmetal #293241 ΔE 0.067
- Twilight Blue #0A437A ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.073
Use #333064 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.