#4A2D89
Closest named color: Dark Slate Blue (#483D8B). oklch(38.7% 0.145 292.8), rgb(74, 45, 137).
Aa
White text reads best on this color (10.35:1).
About this color
#4A2D89 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.145 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 10.35:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.35:1 |
Values
| HEX | #4A2D89 |
| RGB | rgb(74, 45, 137) |
| HSL | hsl(259, 51%, 36%) |
| OKLCH | oklch(38.7% 0.145 292.8) |
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 #4A2D89 | 10.35:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #4A2D89 | 2.02:1 | Fails | Lc 10.4 | Not readable |
| #4A2D89 text on white | 10.35:1 | AAA | Lc 93.5 | Preferred for body text |
| #4A2D89 text on black | 2.02:1 | Fails | Lc -9.0 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#EAE6FE
oklch(93.5% 0.032 293.4)
-
Step 200
200
#DAD2FE
oklch(88.4% 0.061 293.5)
-
Step 300
300
#C3B4FF
oklch(80.9% 0.105 293.1)
-
Step 400
400
#A689FF
oklch(70.7% 0.169 292.9)
-
Step 500
500
#9364FF
oklch(63.1% 0.22 293)
-
Step 600
600
#7F42F0
oklch(55.6% 0.242 292.8)
-
Step 700
700
#6C31D1
oklch(49.1% 0.225 292.9)
-
Step 800
800
#582BA9
oklch(42.7% 0.187 293.1)
-
Step 900
900 (this color)
#4A2D89
oklch(38.7% 0.145 292.8)
-
Step 950
950
#291A4E
oklch(26.9% 0.091 292.5)
#4A2D89 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) | #00418C | 0.087 |
| Deuteranopia (no green cones) | #003E87 | 0.087 |
| Tritanopia (no blue cones) | #384357 | 0.115 |
| Achromatopsia (no color) | #404040 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A2D89
#4A2D89
oklch(38.7% 0.145 292.8)
- #454900
#454900
oklch(38.8% 0.087 113.3)
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 #4A2D89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.050
- Rebecca Purple #663399 ΔE 0.062
- Indigo #4B0082 ΔE 0.064
- Imperial Purple #480CA8 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.071
- Indigo Blue #3A18B1 ΔE 0.080
- Cobalt #1E488F ΔE 0.083
Use #4A2D89 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.