#33216B
Closest named color: Midnight Blue (#191970). oklch(31.8% 0.122 288.7), rgb(51, 33, 107).
Aa
White text reads best on this color (13.37:1).
About this color
#33216B is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.122 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.052 away. White text reads best on it, at 13.37:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.57:1 |
| White text | 13.37:1 |
Values
| HEX | #33216B |
| RGB | rgb(51, 33, 107) |
| HSL | hsl(255, 53%, 27%) |
| OKLCH | oklch(31.8% 0.122 288.7) |
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 #33216B | 13.37:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #33216B | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #33216B text on white | 13.37:1 | AAA | Lc 99.4 | Preferred for body text |
| #33216B text on black | 1.57:1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D7D3FF
oklch(88.4% 0.06 289.3)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9E8CFF
oklch(70.6% 0.164 288.7)
-
Step 500
500
#8A6AFF
oklch(63.2% 0.212 288.7)
-
Step 600
600
#783CFF
oklch(55.5% 0.264 288.7)
-
Step 700
700
#6900F0
oklch(49.1% 0.28 288.7)
-
Step 800
800
#5600C8
oklch(42.7% 0.244 288.6)
-
Step 900
900
#46189E
oklch(37.7% 0.192 288.9)
-
Step 950
950 (this color)
#33216B
oklch(31.8% 0.122 288.7)
#33216B 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) | #00316D | 0.065 |
| Deuteranopia (no green cones) | #002D6A | 0.063 |
| Tritanopia (no blue cones) | #203343 | 0.098 |
| Achromatopsia (no color) | #2F2F2F | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33216B
#33216B
oklch(31.8% 0.122 288.7)
- #363500
#363500
oklch(32% 0.069 108.6)
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 #33216B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.052
- Royal Purple #4B006E ΔE 0.065
- Marine #042E60 ΔE 0.067
- Indigo #4B0082 ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.074
- Marine Blue #01386A ΔE 0.076
- Dark Indigo #1F0954 ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.086
Use #33216B 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.