#2B216B
Closest named color: Midnight Blue (#191970). oklch(31% 0.123 282.7), rgb(43, 33, 107).
Aa
White text reads best on this color (13.70:1).
About this color
#2B216B is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.123 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.038 away. White text reads best on it, at 13.70:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.53:1 |
| White text | 13.70:1 |
Values
| HEX | #2B216B |
| RGB | rgb(43, 33, 107) |
| HSL | hsl(248, 53%, 27%) |
| OKLCH | oklch(31% 0.123 282.7) |
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 #2B216B | 13.70:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #2B216B | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #2B216B text on white | 13.70:1 | AAA | Lc 99.8 | Preferred for body text |
| #2B216B text on black | 1.53:1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300
#B7B9FF
oklch(80.9% 0.098 282.7)
-
Step 400
400
#9491FF
oklch(70.7% 0.158 282.8)
-
Step 500
500
#7C70FF
oklch(63.1% 0.205 282.6)
-
Step 600
600
#6948FF
oklch(55.6% 0.254 282.6)
-
Step 700
700
#5C00FB
oklch(49% 0.291 282.7)
-
Step 800
800
#4B08CF
oklch(42.7% 0.249 282.7)
-
Step 900
900
#3C1DA2
oklch(37.7% 0.194 282.6)
-
Step 950
950 (this color)
#2B216B
oklch(31% 0.123 282.7)
#2B216B 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) | #00306D | 0.054 |
| Deuteranopia (no green cones) | #002B6A | 0.050 |
| Tritanopia (no blue cones) | #093443 | 0.104 |
| Achromatopsia (no color) | #2D2D2D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B216B
#2B216B
oklch(31% 0.123 282.7)
- #373100
#373100
oklch(31% 0.065 102)
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 #2B216B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.038
- Marine #042E60 ΔE 0.056
- Marine Blue #01386A ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.070
- Dark Indigo #1F0954 ΔE 0.072
- Royal Purple #4B006E ΔE 0.077
- Indigo #4B0082 ΔE 0.080
- Royal #0C1793 ΔE 0.083
Use #2B216B 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.