#33275E
Closest named color: Prussian Blue (#1D3557). oklch(31.8% 0.094 290), rgb(51, 39, 94).
Aa
White text reads best on this color (13.18:1).
About this color
#33275E is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.094 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.053 away. White text reads best on it, at 13.18:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.59:1 |
| White text | 13.18:1 |
Values
| HEX | #33275E |
| RGB | rgb(51, 39, 94) |
| HSL | hsl(253, 41%, 26%) |
| OKLCH | oklch(31.8% 0.094 290) |
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 #33275E | 13.18:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #33275E | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #33275E text on white | 13.18:1 | AAA | Lc 99.3 | Preferred for body text |
| #33275E text on black | 1.59:1 | 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
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#BFB5FF
oklch(80.8% 0.104 290.1)
-
Step 400
400
#A18BFF
oklch(70.7% 0.166 290.2)
-
Step 500
500
#8D68FF
oklch(63.2% 0.214 290.2)
-
Step 600
600
#7A42F6
oklch(55.6% 0.248 290.1)
-
Step 700
700
#6731D6
oklch(49% 0.231 290)
-
Step 800
800
#542CAD
oklch(42.8% 0.19 290.1)
-
Step 900
900
#442A89
oklch(37.6% 0.149 289.9)
-
Step 950
950 (this color)
#33275E
oklch(31.8% 0.094 290)
#33275E 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) | #0B3160 | 0.055 |
| Deuteranopia (no green cones) | #0D2F5D | 0.053 |
| Tritanopia (no blue cones) | #27333E | 0.078 |
| Achromatopsia (no color) | #303030 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33275E
#33275E
oklch(31.8% 0.094 290)
- #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 #33275E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.053
- Marine #042E60 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.059
- Marine Blue #01386A ΔE 0.067
- Midnight Blue #191970 ΔE 0.068
- Gunmetal #293241 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.077
- Dark Blue Grey #1F3B4D ΔE 0.078
Use #33275E 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.