#4F306E
Closest named color: Dark Slate Blue (#483D8B). oklch(37.8% 0.106 305), rgb(79, 48, 110).
Aa
White text reads best on this color (10.60:1).
About this color
#4F306E is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.106 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 10.60:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.98:1 |
| White text | 10.60:1 |
Values
| HEX | #4F306E |
| RGB | rgb(79, 48, 110) |
| HSL | hsl(270, 39%, 31%) |
| OKLCH | oklch(37.8% 0.106 305) |
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 #4F306E | 10.60:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #4F306E | 1.98:1 | Fails | Lc 9.6 | Not readable |
| #4F306E text on white | 10.60:1 | AAA | Lc 94.3 | Preferred for body text |
| #4F306E text on black | 1.98:1 | Fails | Lc -8.2 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#E0D2F1
oklch(88.5% 0.045 305.9)
-
Step 300
300
#CCB4EA
oklch(80.8% 0.079 304.9)
-
Step 400
400
#B38BE0
oklch(70.7% 0.127 305)
-
Step 500
500
#A16CD7
oklch(63.2% 0.162 305.1)
-
Step 600
600
#8C51C4
oklch(55.6% 0.176 305)
-
Step 700
700
#7741AA
oklch(49.2% 0.164 304.8)
-
Step 800
800
#613689
oklch(42.7% 0.136 305.3)
-
Step 900
900 (this color)
#4F306E
oklch(37.8% 0.106 305)
-
Step 950
950
#2E1D40
oklch(27% 0.066 304.8)
#4F306E 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) | #1B3E70 | 0.082 |
| Deuteranopia (no green cones) | #253F6C | 0.075 |
| Tritanopia (no blue cones) | #4A3B4A | 0.077 |
| Achromatopsia (no color) | #3F3F3F | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F306E
#4F306E
oklch(37.8% 0.106 305)
- #364A00
#364A00
oklch(37.8% 0.095 125.3)
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 #4F306E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Grape Purple #5D1451 ΔE 0.074
- Blueberry #464196 ΔE 0.076
- Royal Purple #4B006E ΔE 0.081
- Rebecca Purple #663399 ΔE 0.083
- Indigo #4B0082 ΔE 0.083
- Plum Purple #4E0550 ΔE 0.092
- Prussian Blue #1D3557 ΔE 0.093
Use #4F306E 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.