#33285D
Closest named color: Prussian Blue (#1D3557). oklch(31.9% 0.091 289.8), rgb(51, 40, 93).
Aa
White text reads best on this color (13.10:1).
About this color
#33285D is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.050 away. White text reads best on it, at 13.10:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.60:1 |
| White text | 13.10:1 |
Values
| HEX | #33285D |
| RGB | rgb(51, 40, 93) |
| HSL | hsl(252, 40%, 26%) |
| OKLCH | oklch(31.9% 0.091 289.8) |
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 #33285D | 13.10:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #33285D | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #33285D text on white | 13.10:1 | AAA | Lc 99.2 | Preferred for body text |
| #33285D text on black | 1.60:1 | 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
#E9E7FE
oklch(93.6% 0.031 289.8)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#BFB6FF
oklch(81% 0.102 289.6)
-
Step 400
400
#A08CFF
oklch(70.8% 0.164 289.5)
-
Step 500
500
#8C68FF
oklch(63.1% 0.214 289.8)
-
Step 600
600
#7946F2
oklch(55.6% 0.24 289.9)
-
Step 700
700
#6635D2
oklch(49% 0.222 289.8)
-
Step 800
800
#532EAA
oklch(42.7% 0.185 289.9)
-
Step 900
900
#442C87
oklch(37.8% 0.144 289.9)
-
Step 950
950 (this color)
#33285D
oklch(31.9% 0.091 289.8)
#33285D 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) | #0F325F | 0.052 |
| Deuteranopia (no green cones) | #112F5C | 0.049 |
| Tritanopia (no blue cones) | #27333E | 0.075 |
| Achromatopsia (no color) | #303030 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33285D
#33285D
oklch(31.9% 0.091 289.8)
- #353500
#353500
oklch(31.8% 0.069 109.8)
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 #33285D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.056
- Marine #042E60 ΔE 0.057
- Marine Blue #01386A ΔE 0.066
- Gunmetal #293241 ΔE 0.067
- Midnight Blue #191970 ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.074
- Oxford Blue #1B263B ΔE 0.076
Use #33285D 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.