#4F348F
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.143 292.6), rgb(79, 52, 143).
Aa
White text reads best on this color (9.45:1).
About this color
#4F348F is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.143 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 0.025 away. White text reads best on it, at 9.45:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.22:1 |
| White text | 9.45:1 |
Values
| HEX | #4F348F |
| RGB | rgb(79, 52, 143) |
| HSL | hsl(258, 47%, 38%) |
| OKLCH | oklch(40.8% 0.143 292.6) |
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 #4F348F | 9.45:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #4F348F | 2.22:1 | Fails | Lc 12.5 | Not readable |
| #4F348F text on white | 9.45:1 | AAA | Lc 91.5 | Preferred for body text |
| #4F348F text on black | 2.22:1 | Fails | Lc -10.9 | 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 800.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C2B7F3
oklch(80.9% 0.084 292.8)
-
Step 400
400
#A490EC
oklch(70.8% 0.133 292.7)
-
Step 500
500
#8F71E6
oklch(63.2% 0.17 292.7)
-
Step 600
600
#7A56D4
oklch(55.6% 0.185 292.5)
-
Step 700
700
#6745B8
oklch(49.1% 0.173 292.5)
-
Step 800
800 (this color)
#4F348F
oklch(40.8% 0.143 292.6)
-
Step 900
900
#453377
oklch(37.8% 0.112 292.4)
-
Step 950
950
#281E45
oklch(26.9% 0.071 292.9)
#4F348F 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) | #004792 | 0.089 |
| Deuteranopia (no green cones) | #00448D | 0.089 |
| Tritanopia (no blue cones) | #3D495C | 0.115 |
| Achromatopsia (no color) | #464646 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F348F
#4F348F
oklch(40.8% 0.143 292.6)
- #4B4E00
#4B4E00
oklch(40.7% 0.09 112.3)
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 #4F348F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.034
- Rebecca Purple #663399 ΔE 0.046
- Chrysanthemum #560BAD ΔE 0.072
- Imperial Purple #480CA8 ΔE 0.072
- Twilight #4E518B ΔE 0.076
- Cobalt #1E488F ΔE 0.077
- Sapphire #2138AB ΔE 0.081
Use #4F348F 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.