#4F2C9A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.6% 0.168 291.7), rgb(79, 44, 154).
Aa
White text reads best on this color (9.72:1).
About this color
#4F2C9A is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.168 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 9.72:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.72:1 |
Values
| HEX | #4F2C9A |
| RGB | rgb(79, 44, 154) |
| HSL | hsl(259, 56%, 39%) |
| OKLCH | oklch(40.6% 0.168 291.7) |
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 #4F2C9A | 9.72:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #4F2C9A | 2.15:1 | Fails | Lc 12.1 | Not readable |
| #4F2C9A text on white | 9.72:1 | AAA | Lc 91.9 | Preferred for body text |
| #4F2C9A text on black | 2.15:1 | Fails | Lc -10.5 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#D9D3FB
oklch(88.4% 0.055 292.1)
-
Step 300
300
#C1B5FB
oklch(80.8% 0.098 291.9)
-
Step 400
400
#A38CF9
oklch(70.7% 0.156 291.6)
-
Step 500
500
#8F6AF6
oklch(63% 0.201 291.8)
-
Step 600
600
#7B4CE5
oklch(55.5% 0.218 291.8)
-
Step 700
700
#683CC7
oklch(49.1% 0.202 291.7)
-
Step 800
800 (this color)
#4F2C9A
oklch(40.6% 0.168 291.7)
-
Step 900
900
#452F80
oklch(37.8% 0.13 291.4)
-
Step 950
950
#281C4B
oklch(27% 0.084 291.6)
#4F2C9A 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) | #00469D | 0.094 |
| Deuteranopia (no green cones) | #004298 | 0.092 |
| Tritanopia (no blue cones) | #374860 | 0.133 |
| Achromatopsia (no color) | #444444 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2C9A
#4F2C9A
oklch(40.6% 0.168 291.7)
- #4B4D00
#4B4D00
oklch(40.5% 0.089 111.5)
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 #4F2C9A, closest first.
No curated palette has a color within ΔE 0.04 of #4F2C9A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.048
- Chrysanthemum #560BAD ΔE 0.048
- Rebecca Purple #663399 ΔE 0.049
- Imperial Purple #480CA8 ΔE 0.049
- Indigo Blue #3A18B1 ΔE 0.064
- Indigo #4B0082 ΔE 0.074
- Sapphire #2138AB ΔE 0.075
Use #4F2C9A 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.