#4B2568
Closest named color: Royal Purple (#4B006E). oklch(35% 0.115 307.6), rgb(75, 37, 104).
Aa
White text reads best on this color (11.90:1).
About this color
#4B2568 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.115 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.056 away. White text reads best on it, at 11.90:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.76:1 |
| White text | 11.90:1 |
Values
| HEX | #4B2568 |
| RGB | rgb(75, 37, 104) |
| HSL | hsl(274, 48%, 28%) |
| OKLCH | oklch(35% 0.115 307.6) |
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 #4B2568 | 11.90:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #4B2568 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #4B2568 text on white | 11.90:1 | AAA | Lc 96.9 | Preferred for body text |
| #4B2568 text on black | 1.76:1 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E2D1F2
oklch(88.5% 0.048 308.5)
-
Step 300
300
#D0B2EC
oklch(80.9% 0.086 308)
-
Step 400
400
#B888E3
oklch(70.8% 0.138 307.5)
-
Step 500
500
#A766DB
oklch(63.1% 0.178 307.7)
-
Step 600
600
#924AC8
oklch(55.6% 0.192 307.6)
-
Step 700
700
#7C3AAD
oklch(49.1% 0.179 307.4)
-
Step 800
800
#65318C
oklch(42.7% 0.148 307.6)
-
Step 900
900 (this color)
#4B2568
oklch(35% 0.115 307.6)
-
Step 950
950
#301B42
oklch(27% 0.073 307)
#4B2568 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) | #06366A | 0.099 |
| Deuteranopia (no green cones) | #1A3766 | 0.087 |
| Tritanopia (no blue cones) | #473242 | 0.082 |
| Achromatopsia (no color) | #373737 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2568
#4B2568
oklch(35% 0.115 307.6)
- #2D4300
#2D4300
oklch(35.1% 0.091 127.7)
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 #4B2568, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.056
- Grape Purple #5D1451 ΔE 0.060
- Plum Purple #4E0550 ΔE 0.066
- Indigo #4B0082 ΔE 0.066
- Deep Violet #490648 ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.079
- Eggplant Purple #430541 ΔE 0.090
- Prussian Blue #1D3557 ΔE 0.092
Use #4B2568 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.