#4A3070
Closest named color: Dark Slate Blue (#483D8B). oklch(37.3% 0.107 300), rgb(74, 48, 112).
Aa
White text reads best on this color (10.78:1).
About this color
#4A3070 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.107 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.053 away. White text reads best on it, at 10.78:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #4A3070 |
| RGB | rgb(74, 48, 112) |
| HSL | hsl(264, 40%, 31%) |
| OKLCH | oklch(37.3% 0.107 300) |
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 #4A3070 | 10.78:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #4A3070 | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #4A3070 text on white | 10.78:1 | AAA | Lc 94.7 | Preferred for body text |
| #4A3070 text on black | 1.94:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F3
oklch(88.5% 0.045 299.7)
-
Step 300
300
#C8B5EE
oklch(80.8% 0.082 299.8)
-
Step 400
400
#AD8DE5
oklch(70.7% 0.129 299.9)
-
Step 500
500
#9A6EDD
oklch(63.1% 0.165 300)
-
Step 600
600
#8553CA
oklch(55.6% 0.178 300)
-
Step 700
700
#7143AF
oklch(49.2% 0.166 299.9)
-
Step 800
800
#5C388E
oklch(42.8% 0.138 299.9)
-
Step 900
900 (this color)
#4A3070
oklch(37.3% 0.107 300)
-
Step 950
950
#2C1D42
oklch(26.9% 0.068 300.6)
#4A3070 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) | #173D72 | 0.076 |
| Deuteranopia (no green cones) | #1F3D6F | 0.070 |
| Tritanopia (no blue cones) | #423D4B | 0.083 |
| Achromatopsia (no color) | #3D3D3D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A3070
#4A3070
oklch(37.3% 0.107 300)
- #3B4700
#3B4700
oklch(37.4% 0.089 120)
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 #4A3070, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.053
- Blueberry #464196 ΔE 0.073
- Royal Purple #4B006E ΔE 0.080
- Indigo #4B0082 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.080
- Rebecca Purple #663399 ΔE 0.086
- Prussian Blue #1D3557 ΔE 0.087
- Twilight Blue #0A437A ΔE 0.087
Use #4A3070 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.