#33256B
Closest named color: Midnight Blue (#191970). oklch(32.5% 0.116 287.3), rgb(51, 37, 107).
Aa
White text reads best on this color (12.98:1).
About this color
#33256B is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.116 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.056 away. White text reads best on it, at 12.98:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.61:1 |
| White text | 12.98:1 |
Values
| HEX | #33256B |
| RGB | rgb(51, 37, 107) |
| HSL | hsl(252, 49%, 28%) |
| OKLCH | oklch(32.5% 0.116 287.3) |
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 #33256B | 12.98:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #33256B | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #33256B text on white | 12.98:1 | AAA | Lc 98.9 | Preferred for body text |
| #33256B text on black | 1.61:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F8
oklch(88.5% 0.048 286.7)
-
Step 300
300
#BCB8F7
oklch(80.8% 0.088 287.2)
-
Step 400
400
#9C91F2
oklch(70.6% 0.139 287.5)
-
Step 500
500
#8673EE
oklch(63.2% 0.178 287.3)
-
Step 600
600
#7157DC
oklch(55.5% 0.194 287.3)
-
Step 700
700
#5F46BF
oklch(49% 0.181 287.3)
-
Step 800
800
#4D3B9B
oklch(42.8% 0.15 286.9)
-
Step 900
900 (this color)
#33256B
oklch(32.5% 0.116 287.3)
-
Step 950
950
#251F48
oklch(27% 0.074 287.1)
#33256B 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) | #00336D | 0.062 |
| Deuteranopia (no green cones) | #002F6A | 0.060 |
| Tritanopia (no blue cones) | #1F3644 | 0.097 |
| Achromatopsia (no color) | #313131 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33256B
#33256B
oklch(32.5% 0.116 287.3)
- #383600
#383600
oklch(32.4% 0.07 107.4)
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 #33256B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.056
- Marine #042E60 ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.067
- Marine Blue #01386A ΔE 0.068
- Royal Purple #4B006E ΔE 0.070
- Indigo #4B0082 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.081
- Dark Indigo #1F0954 ΔE 0.086
Use #33256B 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.