#4B2D71
Closest named color: Dark Slate Blue (#483D8B). oklch(37% 0.114 301.4), rgb(75, 45, 113).
Aa
White text reads best on this color (10.97:1).
About this color
#4B2D71 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.114 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 10.97:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.91:1 |
| White text | 10.97:1 |
Values
| HEX | #4B2D71 |
| RGB | rgb(75, 45, 113) |
| HSL | hsl(266, 43%, 31%) |
| OKLCH | oklch(37% 0.114 301.4) |
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 #4B2D71 | 10.97:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #4B2D71 | 1.91:1 | Fails | Lc 8.8 | Not readable |
| #4B2D71 text on white | 10.97:1 | AAA | Lc 95.1 | Preferred for body text |
| #4B2D71 text on black | 1.91:1 | Fails | Lc -7.5 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED2F4
oklch(88.4% 0.048 301.5)
-
Step 300
300
#CAB4EF
oklch(80.9% 0.085 301.6)
-
Step 400
400
#B08BE8
oklch(70.8% 0.137 301.3)
-
Step 500
500
#9D6BE0
oklch(63.1% 0.174 301.3)
-
Step 600
600
#894FCE
oklch(55.7% 0.189 301.5)
-
Step 700
700
#743EB2
oklch(49% 0.177 301.6)
-
Step 800
800
#5E3590
oklch(42.7% 0.145 301.2)
-
Step 900
900 (this color)
#4B2D71
oklch(37% 0.114 301.4)
-
Step 950
950
#2D1C43
oklch(26.9% 0.072 301.9)
#4B2D71 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) | #0E3C73 | 0.086 |
| Deuteranopia (no green cones) | #1B3C6F | 0.078 |
| Tritanopia (no blue cones) | #433B4A | 0.087 |
| Achromatopsia (no color) | #3C3C3C | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2D71
#4B2D71
oklch(37% 0.114 301.4)
- #394600
#394600
oklch(36.9% 0.089 120.9)
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 #4B2D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Royal Purple #4B006E ΔE 0.072
- Indigo #4B0082 ΔE 0.072
- Blueberry #464196 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.077
- Rebecca Purple #663399 ΔE 0.085
- Plum Purple #4E0550 ΔE 0.089
- Prussian Blue #1D3557 ΔE 0.091
Use #4B2D71 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.