#4A3073
Closest named color: Dark Slate Blue (#483D8B). oklch(37.5% 0.111 298.8), rgb(74, 48, 115).
Aa
White text reads best on this color (10.70:1).
About this color
#4A3073 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.111 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 10.70:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.96:1 |
| White text | 10.70:1 |
Values
| HEX | #4A3073 |
| RGB | rgb(74, 48, 115) |
| HSL | hsl(263, 41%, 32%) |
| OKLCH | oklch(37.5% 0.111 298.8) |
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 #4A3073 | 10.70:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #4A3073 | 1.96:1 | Fails | Lc 9.4 | Not readable |
| #4A3073 text on white | 10.70:1 | AAA | Lc 94.5 | Preferred for body text |
| #4A3073 text on black | 1.96:1 | Fails | Lc -8.0 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F4
oklch(88.5% 0.046 299.3)
-
Step 300
300
#C7B5F0
oklch(80.8% 0.084 298.5)
-
Step 400
400
#AC8DE8
oklch(70.8% 0.133 298.6)
-
Step 500
500
#996DE1
oklch(63.1% 0.171 298.9)
-
Step 600
600
#8452CF
oklch(55.7% 0.186 298.6)
-
Step 700
700
#7041B3
oklch(49.1% 0.173 298.8)
-
Step 800
800
#5B3791
oklch(42.8% 0.143 298.6)
-
Step 900
900 (this color)
#4A3073
oklch(37.5% 0.111 298.8)
-
Step 950
950
#2B1D44
oklch(27% 0.071 298)
#4A3073 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) | #133E75 | 0.079 |
| Deuteranopia (no green cones) | #1C3D71 | 0.073 |
| Tritanopia (no blue cones) | #413E4C | 0.088 |
| Achromatopsia (no color) | #3E3E3E | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A3073
#4A3073
oklch(37.5% 0.111 298.8)
- #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 #4A3073, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.069
- Indigo #4B0082 ΔE 0.077
- Royal Purple #4B006E ΔE 0.079
- Rebecca Purple #663399 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.084
- Twilight Blue #0A437A ΔE 0.086
- Cobalt #1E488F ΔE 0.089
Use #4A3073 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.