#4F2D78
Closest named color: Dark Slate Blue (#483D8B). oklch(38% 0.124 301.7), rgb(79, 45, 120).
Aa
White text reads best on this color (10.61:1).
About this color
#4F2D78 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.124 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 10.61:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #4F2D78 |
| RGB | rgb(79, 45, 120) |
| HSL | hsl(267, 45%, 32%) |
| OKLCH | oklch(38% 0.124 301.7) |
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 #4F2D78 | 10.61:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #4F2D78 | 1.97:1 | Fails | Lc 9.7 | Not readable |
| #4F2D78 text on white | 10.61:1 | AAA | Lc 94.2 | Preferred for body text |
| #4F2D78 text on black | 1.97:1 | Fails | Lc -8.3 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F6
oklch(88.5% 0.051 301.8)
-
Step 300
300
#CBB3F3
oklch(80.9% 0.092 301.5)
-
Step 400
400
#B288ED
oklch(70.7% 0.149 301.9)
-
Step 500
500
#A066E7
oklch(63.1% 0.19 302)
-
Step 600
600
#8B49D5
oklch(55.6% 0.206 301.7)
-
Step 700
700
#7639B9
oklch(49.1% 0.192 301.4)
-
Step 800
800
#603096
oklch(42.7% 0.16 301.5)
-
Step 900
900 (this color)
#4F2D78
oklch(38% 0.124 301.7)
-
Step 950
950
#2E1B46
oklch(27.1% 0.079 301.8)
#4F2D78 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) | #033E7A | 0.097 |
| Deuteranopia (no green cones) | #173E76 | 0.088 |
| Tritanopia (no blue cones) | #473D4E | 0.093 |
| Achromatopsia (no color) | #3F3F3F | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2D78
#4F2D78
oklch(38% 0.124 301.7)
- #3B4900
#3B4900
oklch(37.9% 0.091 121.3)
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 #4F2D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.067
- Indigo #4B0082 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.071
- Royal Purple #4B006E ΔE 0.074
- Grape Purple #5D1451 ΔE 0.082
- Imperial Purple #480CA8 ΔE 0.093
- Twilight #4E518B ΔE 0.095
Use #4F2D78 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.