#4F2C83
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.139 298.1), rgb(79, 44, 131).
Aa
White text reads best on this color (10.39:1).
About this color
#4F2C83 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.139 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 10.39:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.39:1 |
Values
| HEX | #4F2C83 |
| RGB | rgb(79, 44, 131) |
| HSL | hsl(264, 50%, 34%) |
| OKLCH | oklch(38.6% 0.139 298.1) |
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 #4F2C83 | 10.39:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #4F2C83 | 2.02:1 | Fails | Lc 10.3 | Not readable |
| #4F2C83 text on white | 10.39:1 | AAA | Lc 93.6 | Preferred for body text |
| #4F2C83 text on black | 2.02:1 | Fails | Lc -8.9 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DDD2FB
oklch(88.6% 0.057 297.5)
-
Step 300
300
#C9B2FC
oklch(80.9% 0.105 298.3)
-
Step 400
400
#AE86FA
oklch(70.7% 0.167 297.9)
-
Step 500
500
#9C62F7
oklch(63.1% 0.214 297.9)
-
Step 600
600
#8841E6
oklch(55.6% 0.233 297.9)
-
Step 700
700
#7431C8
oklch(49.2% 0.216 298)
-
Step 800
800
#5E2BA1
oklch(42.7% 0.178 298.1)
-
Step 900
900 (this color)
#4F2C83
oklch(38.6% 0.139 298.1)
-
Step 950
950
#2D194B
oklch(27% 0.089 298.7)
#4F2C83 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) | #004086 | 0.097 |
| Deuteranopia (no green cones) | #003F81 | 0.098 |
| Tritanopia (no blue cones) | #434053 | 0.108 |
| Achromatopsia (no color) | #404040 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2C83
#4F2C83
oklch(38.6% 0.139 298.1)
- #404A00
#404A00
oklch(38.7% 0.09 118.2)
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 #4F2C83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Blueberry #464196 ΔE 0.058
- Rebecca Purple #663399 ΔE 0.059
- Indigo #4B0082 ΔE 0.063
- Imperial Purple #480CA8 ΔE 0.076
- Royal Purple #4B006E ΔE 0.077
- Chrysanthemum #560BAD ΔE 0.078
- Cobalt #1E488F ΔE 0.091
Use #4F2C83 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.