#4B2B7C
Closest named color: Dark Slate Blue (#483D8B). oklch(37.5% 0.131 297.9), rgb(75, 43, 124).
Aa
White text reads best on this color (10.84:1).
About this color
#4B2B7C is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.131 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.84:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #4B2B7C |
| RGB | rgb(75, 43, 124) |
| HSL | hsl(264, 49%, 33%) |
| OKLCH | oklch(37.5% 0.131 297.9) |
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 #4B2B7C | 10.84:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4B2B7C | 1.93:1 | Fails | Lc 9.2 | Not readable |
| #4B2B7C text on white | 10.84:1 | AAA | Lc 94.7 | Preferred for body text |
| #4B2B7C text on black | 1.93:1 | Fails | Lc -7.9 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FB
oklch(93.6% 0.029 298.9)
-
Step 200
200
#DDD2F9
oklch(88.5% 0.054 298.2)
-
Step 300
300
#C8B3F8
oklch(80.9% 0.098 298.1)
-
Step 400
400
#AD88F5
oklch(70.6% 0.158 297.9)
-
Step 500
500
#9B65F1
oklch(63.1% 0.202 298.2)
-
Step 600
600
#8647DF
oklch(55.5% 0.218 297.8)
-
Step 700
700
#7237C2
oklch(49.1% 0.203 297.8)
-
Step 800
800
#5D2F9D
oklch(42.7% 0.169 298)
-
Step 900
900 (this color)
#4B2B7C
oklch(37.5% 0.131 297.9)
-
Step 950
950
#2C1B49
oklch(27.1% 0.083 297.7)
#4B2B7C 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) | #003D7F | 0.093 |
| Deuteranopia (no green cones) | #023C7A | 0.092 |
| Tritanopia (no blue cones) | #3F3D4F | 0.101 |
| Achromatopsia (no color) | #3D3D3D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2B7C
#4B2B7C
oklch(37.5% 0.131 297.9)
- #3D4700
#3D4700
oklch(37.6% 0.088 118.5)
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 #4B2B7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Indigo #4B0082 ΔE 0.061
- Blueberry #464196 ΔE 0.066
- Royal Purple #4B006E ΔE 0.070
- Rebecca Purple #663399 ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.083
- Chrysanthemum #560BAD ΔE 0.089
- Grape Purple #5D1451 ΔE 0.090
Use #4B2B7C 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.