#4B06A3
Closest named color: Imperial Purple (#480CA8). oklch(37.7% 0.207 291.4), rgb(75, 6, 163).
Aa
White text reads best on this color (11.32:1).
About this color
#4B06A3 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.207 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Imperial Purple (#480CA8), ΔE 0.012 away. White text reads best on it, at 11.32:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.207) |
| Temperature | in between |
| Nearest name | Imperial Purple (#480CA8) |
| Black text | 1.85:1 |
| White text | 11.32:1 |
Values
| HEX | #4B06A3 |
| RGB | rgb(75, 6, 163) |
| HSL | hsl(266, 93%, 33%) |
| OKLCH | oklch(37.7% 0.207 291.4) |
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 #4B06A3 | 11.32:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #4B06A3 | 1.85:1 | Fails | Lc 9.8 | Not readable |
| #4B06A3 text on white | 11.32:1 | AAA | Lc 94.2 | Preferred for body text |
| #4B06A3 text on black | 1.85:1 | Fails | Lc -8.4 | 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
#E9E6FF
oklch(93.5% 0.034 291.2)
-
Step 200
200
#D9D3FF
oklch(88.6% 0.06 291.4)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A38AFF
oklch(70.7% 0.167 291.4)
-
Step 500
500
#9066FF
oklch(63.1% 0.217 291.6)
-
Step 600
600
#7F36FF
oklch(55.6% 0.268 291.5)
-
Step 700
700
#6E00EB
oklch(49% 0.275 291.3)
-
Step 800
800
#5A00C3
oklch(42.6% 0.239 291.3)
-
Step 900
900 (this color)
#4B06A3
oklch(37.7% 0.207 291.4)
-
Step 950
950
#2B0D5F
oklch(26.9% 0.131 291.5)
#4B06A3 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) | #003CA7 | 0.106 |
| Deuteranopia (no green cones) | #0037A1 | 0.102 |
| Tritanopia (no blue cones) | #2A3F5E | 0.161 |
| Achromatopsia (no color) | #3A3A3A | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B06A3
#4B06A3
oklch(37.7% 0.207 291.4)
- #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 #4B06A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Purple #480CA8 ΔE 0.012
- Chrysanthemum #560BAD ΔE 0.028
- Indigo Blue #3A18B1 ΔE 0.045
- Indigo #4B0082 ΔE 0.058
- Violet Blue #510AC9 ΔE 0.065
- Ultramarine #2000B1 ΔE 0.086
- Grape #7209B7 ΔE 0.087
- Rebecca Purple #663399 ΔE 0.087
Use #4B06A3 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.