#4A2B95
Closest named color: Dark Slate Blue (#483D8B). oklch(39.5% 0.163 290.3), rgb(74, 43, 149).
Aa
White text reads best on this color (10.14:1).
About this color
#4A2B95 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.163 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 10.14:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.14:1 |
Values
| HEX | #4A2B95 |
| RGB | rgb(74, 43, 149) |
| HSL | hsl(258, 55%, 38%) |
| OKLCH | oklch(39.5% 0.163 290.3) |
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 #4A2B95 | 10.14:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #4A2B95 | 2.07:1 | Fails | Lc 11.0 | Not readable |
| #4A2B95 text on white | 10.14:1 | AAA | Lc 92.9 | Preferred for body text |
| #4A2B95 text on black | 2.07:1 | Fails | Lc -9.6 | 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
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#C0B5FF
oklch(80.9% 0.104 290.7)
-
Step 400
400
#A18BFF
oklch(70.7% 0.166 290.2)
-
Step 500
500
#8D68FF
oklch(63.2% 0.214 290.2)
-
Step 600
600
#7C39FF
oklch(55.6% 0.266 290.2)
-
Step 700
700
#6A23E1
oklch(49.1% 0.253 290.4)
-
Step 800
800
#5622B6
oklch(42.8% 0.21 290.4)
-
Step 900
900 (this color)
#4A2B95
oklch(39.5% 0.163 290.3)
-
Step 950
950
#281854
oklch(27% 0.103 290)
#4A2B95 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) | #004398 | 0.088 |
| Deuteranopia (no green cones) | #003F93 | 0.086 |
| Tritanopia (no blue cones) | #31465D | 0.130 |
| Achromatopsia (no color) | #414141 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A2B95
#4A2B95
oklch(39.5% 0.163 290.3)
- #494A00
#494A00
oklch(39.5% 0.087 110.7)
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 #4A2B95, closest first.
No curated palette has a color within ΔE 0.04 of #4A2B95.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Imperial Purple #480CA8 ΔE 0.049
- Blueberry #464196 ΔE 0.049
- Chrysanthemum #560BAD ΔE 0.054
- Rebecca Purple #663399 ΔE 0.059
- Indigo Blue #3A18B1 ΔE 0.063
- Indigo #4B0082 ΔE 0.067
- Sapphire #2138AB ΔE 0.072
Use #4A2B95 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.