#33255C
Closest named color: Prussian Blue (#1D3557). oklch(31.3% 0.094 291.7), rgb(51, 37, 92).
Aa
White text reads best on this color (13.46:1).
About this color
#33255C is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.094 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.056 away. White text reads best on it, at 13.46:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.55:1 |
| White text | 13.46:1 |
Values
| HEX | #33255C |
| RGB | rgb(51, 37, 92) |
| HSL | hsl(255, 43%, 25%) |
| OKLCH | oklch(31.3% 0.094 291.7) |
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 #33255C | 13.46:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #33255C | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #33255C text on white | 13.46:1 | AAA | Lc 99.7 | Preferred for body text |
| #33255C text on black | 1.55:1 | 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
#EAE6FE
oklch(93.5% 0.032 293.4)
-
Step 200
200
#D9D3FF
oklch(88.6% 0.06 291.4)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A48AFF
oklch(70.7% 0.167 291.8)
-
Step 500
500
#9066FF
oklch(63.1% 0.217 291.6)
-
Step 600
600
#7E40F5
oklch(55.7% 0.249 291.8)
-
Step 700
700
#6B2FD5
oklch(49.1% 0.231 291.9)
-
Step 800
800
#562AAC
oklch(42.7% 0.191 291.6)
-
Step 900
900
#462988
oklch(37.6% 0.149 291.6)
-
Step 950
950 (this color)
#33255C
oklch(31.3% 0.094 291.7)
#33255C 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) | #092F5E | 0.057 |
| Deuteranopia (no green cones) | #0C2E5B | 0.056 |
| Tritanopia (no blue cones) | #28313C | 0.077 |
| Achromatopsia (no color) | #2F2F2F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33255C
#33255C
oklch(31.3% 0.094 291.7)
- #323400
#323400
oklch(31.3% 0.069 112.1)
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 #33255C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.058
- Marine #042E60 ΔE 0.060
- Midnight Blue #191970 ΔE 0.067
- Gunmetal #293241 ΔE 0.071
- Marine Blue #01386A ΔE 0.072
- Oxford Blue #1B263B ΔE 0.075
- Royal Purple #4B006E ΔE 0.078
Use #33255C 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.