#30255D
Closest named color: Prussian Blue (#1D3557). oklch(31% 0.096 288.6), rgb(48, 37, 93).
Aa
White text reads best on this color (13.56:1).
About this color
#30255D is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.096 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.055 away. White text reads best on it, at 13.56:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.54:1 |
| White text | 13.56:1 |
Values
| HEX | #30255D |
| RGB | rgb(48, 37, 93) |
| HSL | hsl(252, 43%, 25%) |
| OKLCH | oklch(31% 0.096 288.6) |
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 #30255D | 13.56:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #30255D | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #30255D text on white | 13.56:1 | AAA | Lc 99.8 | Preferred for body text |
| #30255D text on black | 1.54:1 | 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
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D7D4FF
oklch(88.6% 0.059 288.3)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9E8DFF
oklch(70.8% 0.163 288.4)
-
Step 500
500
#896AFF
oklch(63.1% 0.212 288.4)
-
Step 600
600
#7742FA
oklch(55.7% 0.253 288.5)
-
Step 700
700
#6531DA
oklch(49.2% 0.235 288.5)
-
Step 800
800
#522BB0
oklch(42.7% 0.195 288.7)
-
Step 900
900
#432A8B
oklch(37.7% 0.152 288.8)
-
Step 950
950 (this color)
#30255D
oklch(31% 0.096 288.6)
#30255D 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) | #052F5F | 0.055 |
| Deuteranopia (no green cones) | #062D5C | 0.054 |
| Tritanopia (no blue cones) | #22313D | 0.078 |
| Achromatopsia (no color) | #2E2E2E | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30255D
#30255D
oklch(31% 0.096 288.6)
- #343300
#343300
oklch(31.2% 0.067 108.6)
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 #30255D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.055
- Marine #042E60 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.059
- Midnight Blue #191970 ΔE 0.062
- Marine Blue #01386A ΔE 0.068
- Gunmetal #293241 ΔE 0.071
- Oxford Blue #1B263B ΔE 0.073
- Dark Indigo #1F0954 ΔE 0.076
Use #30255D 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.