#4B328C
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.142 291.4), rgb(75, 50, 140).
Aa
White text reads best on this color (9.84:1).
About this color
#4B328C is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.142 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 9.84:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.84:1 |
Values
| HEX | #4B328C |
| RGB | rgb(75, 50, 140) |
| HSL | hsl(257, 47%, 37%) |
| OKLCH | oklch(39.9% 0.142 291.4) |
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 #4B328C | 9.84:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #4B328C | 2.13:1 | Fails | Lc 11.5 | Not readable |
| #4B328C text on white | 9.84:1 | AAA | Lc 92.4 | Preferred for body text |
| #4B328C text on black | 2.13:1 | Fails | Lc -10.0 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FE
oklch(93.6% 0.031 289.8)
-
Step 200
200
#D9D3FE
oklch(88.5% 0.059 291.5)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A38AFF
oklch(70.7% 0.167 291.4)
-
Step 500
500
#8F66FF
oklch(63% 0.217 291.2)
-
Step 600
600
#7C46EF
oklch(55.7% 0.237 291.4)
-
Step 700
700
#6935D0
oklch(49.1% 0.22 291.4)
-
Step 800
800
#552EA8
oklch(42.7% 0.182 291.3)
-
Step 900
900 (this color)
#4B328C
oklch(39.9% 0.142 291.4)
-
Step 950
950
#281B4E
oklch(27% 0.09 290.9)
#4B328C 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) | #00458F | 0.085 |
| Deuteranopia (no green cones) | #00418A | 0.084 |
| Tritanopia (no blue cones) | #38475A | 0.114 |
| Achromatopsia (no color) | #434343 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B328C
#4B328C
oklch(39.9% 0.142 291.4)
- #494B00
#494B00
oklch(39.8% 0.088 111.5)
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 #4B328C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.039
- Rebecca Purple #663399 ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.073
- Cobalt #1E488F ΔE 0.075
- Indigo #4B0082 ΔE 0.076
- Sapphire #2138AB ΔE 0.079
Use #4B328C 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.