#4B0AA1
Closest named color: Imperial Purple (#480CA8). oklch(37.7% 0.203 291.7), rgb(75, 10, 161).
Aa
White text reads best on this color (11.30:1).
About this color
#4B0AA1 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.203 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Imperial Purple (#480CA8), ΔE 0.014 away. White text reads best on it, at 11.30:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.203) |
| Temperature | in between |
| Nearest name | Imperial Purple (#480CA8) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #4B0AA1 |
| RGB | rgb(75, 10, 161) |
| HSL | hsl(266, 88%, 34%) |
| OKLCH | oklch(37.7% 0.203 291.7) |
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 #4B0AA1 | 11.30:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #4B0AA1 | 1.85:1 | Fails | Lc 9.6 | Not readable |
| #4B0AA1 text on white | 11.30:1 | AAA | Lc 94.3 | Preferred for body text |
| #4B0AA1 text on black | 1.85:1 | Fails | Lc -8.3 | 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
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#D9D3FF
oklch(88.6% 0.06 291.4)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A48AFF
oklch(70.7% 0.167 291.8)
-
Step 500
500
#9066FF
oklch(63.1% 0.217 291.6)
-
Step 600
600
#8035FF
oklch(55.6% 0.269 291.9)
-
Step 700
700
#6F00EA
oklch(49.1% 0.274 291.8)
-
Step 800
800
#5B00C3
oklch(42.7% 0.239 291.7)
-
Step 900
900 (this color)
#4B0AA1
oklch(37.7% 0.203 291.7)
-
Step 950
950
#2B0E5E
oklch(26.9% 0.129 291.7)
#4B0AA1 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) | #003CA5 | 0.105 |
| Deuteranopia (no green cones) | #00379F | 0.102 |
| Tritanopia (no blue cones) | #2B3F5E | 0.157 |
| Achromatopsia (no color) | #3A3A3A | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B0AA1
#4B0AA1
oklch(37.7% 0.203 291.7)
- #434500
#434500
oklch(37.6% 0.083 111.6)
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 #4B0AA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Purple #480CA8 ΔE 0.014
- Chrysanthemum #560BAD ΔE 0.030
- Indigo Blue #3A18B1 ΔE 0.046
- Indigo #4B0082 ΔE 0.056
- Violet Blue #510AC9 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.085
- Ultramarine #2000B1 ΔE 0.087
- Grape #7209B7 ΔE 0.087
Use #4B0AA1 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.