#4B2F8C
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.146 292.2), rgb(75, 47, 140).
Aa
White text reads best on this color (10.07:1).
About this color
#4B2F8C is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.146 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.033 away. White text reads best on it, at 10.07:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #4B2F8C |
| RGB | rgb(75, 47, 140) |
| HSL | hsl(258, 50%, 37%) |
| OKLCH | oklch(39.4% 0.146 292.2) |
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 #4B2F8C | 10.07:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #4B2F8C | 2.08:1 | Fails | Lc 11.0 | Not readable |
| #4B2F8C text on white | 10.07:1 | AAA | Lc 92.9 | Preferred for body text |
| #4B2F8C text on black | 2.08:1 | Fails | Lc -9.6 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#EAE6FE
oklch(93.5% 0.032 293.4)
-
Step 200
200
#D9D3FF
oklch(88.6% 0.06 291.4)
-
Step 300
300
#C2B4FF
oklch(80.9% 0.105 292.4)
-
Step 400
400
#A589FF
oklch(70.7% 0.169 292.5)
-
Step 500
500
#9165FF
oklch(63.1% 0.218 292.1)
-
Step 600
600
#7E42F2
oklch(55.6% 0.244 292.1)
-
Step 700
700
#6B31D3
oklch(49.2% 0.227 292.1)
-
Step 800
800
#572BAA
oklch(42.7% 0.188 292.3)
-
Step 900
900 (this color)
#4B2F8C
oklch(39.4% 0.146 292.2)
-
Step 950
950
#291A4F
oklch(27% 0.093 292.1)
#4B2F8C 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) | #00438F | 0.087 |
| Deuteranopia (no green cones) | #00408A | 0.087 |
| Tritanopia (no blue cones) | #384559 | 0.117 |
| Achromatopsia (no color) | #424242 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2F8C
#4B2F8C
oklch(39.4% 0.146 292.2)
- #474A00
#474A00
oklch(39.3% 0.087 112.4)
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 #4B2F8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.045
- Rebecca Purple #663399 ΔE 0.057
- Imperial Purple #480CA8 ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.069
- Indigo #4B0082 ΔE 0.069
- Indigo Blue #3A18B1 ΔE 0.079
- Cobalt #1E488F ΔE 0.080
Use #4B2F8C 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.